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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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661.2
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monetaryItemType
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table: <entity> 661.2 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant (d) | 661.2 | 664.2 | 22 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
664.2
|
monetaryItemType
|
table: <entity> 664.2 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant (d) | 661.2 | 664.2 | 22 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
283.8
|
monetaryItemType
|
table: <entity> 283.8 </entity> <entity type> monetaryItemType </entity type> <context> Long-term Under-recovered Fuel Costs - West Virginia | 283.8 | 291.5 | 10 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
291.5
|
monetaryItemType
|
table: <entity> 291.5 </entity> <entity type> monetaryItemType </entity type> <context> Long-term Under-recovered Fuel Costs - West Virginia | 283.8 | 291.5 | 10 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
111.0
|
monetaryItemType
|
table: <entity> 111.0 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Asset Retirement Obligation Costs | 111.0 | 110.8 | 16 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
|
110.8
|
monetaryItemType
|
table: <entity> 110.8 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Asset Retirement Obligation Costs | 111.0 | 110.8 | 16 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
106.7
|
monetaryItemType
|
table: <entity> 106.7 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 106.7 | 170.9 | 7 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
170.9
|
monetaryItemType
|
table: <entity> 170.9 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 106.7 | 170.9 | 7 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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70.6
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monetaryItemType
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table: <entity> 70.6 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Mine Closure Costs - Texas | 70.6 | 74.3 | 11 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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74.3
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monetaryItemType
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table: <entity> 74.3 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Mine Closure Costs - Texas | 70.6 | 74.3 | 11 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
66.4
|
monetaryItemType
|
table: <entity> 66.4 </entity> <entity type> monetaryItemType </entity type> <context> Pirkey Plant Accelerated Depreciation - Louisiana | 66.4 | 65.8 | 8 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
65.8
|
monetaryItemType
|
table: <entity> 65.8 </entity> <entity type> monetaryItemType </entity type> <context> Pirkey Plant Accelerated Depreciation - Louisiana | 66.4 | 65.8 | 8 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
62.8
|
monetaryItemType
|
table: <entity> 62.8 </entity> <entity type> monetaryItemType </entity type> <context> Unrecovered Winter Storm Fuel Costs (a) | 62.8 | 99.3 | 3 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
99.3
|
monetaryItemType
|
table: <entity> 99.3 </entity> <entity type> monetaryItemType </entity type> <context> Unrecovered Winter Storm Fuel Costs (a) | 62.8 | 99.3 | 3 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
45.0
|
monetaryItemType
|
table: <entity> 45.0 </entity> <entity type> monetaryItemType </entity type> <context> Kentucky Deferred Purchased Power Expenses | 45.0 | 43.5 | 3 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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43.5
|
monetaryItemType
|
table: <entity> 43.5 </entity> <entity type> monetaryItemType </entity type> <context> Kentucky Deferred Purchased Power Expenses | 45.0 | 43.5 | 3 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
37.3
|
monetaryItemType
|
table: <entity> 37.3 </entity> <entity type> monetaryItemType </entity type> <context> Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction | 37.3 | 46.9 | 4 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
46.9
|
monetaryItemType
|
table: <entity> 46.9 </entity> <entity type> monetaryItemType </entity type> <context> Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction | 37.3 | 46.9 | 4 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
32.6
|
monetaryItemType
|
table: <entity> 32.6 </entity> <entity type> monetaryItemType </entity type> <context> Texas Mobile Temporary Emergency Electric Energy Facilities Rider | 32.6 | 33.4 | 2 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
33.4
|
monetaryItemType
|
table: <entity> 33.4 </entity> <entity type> monetaryItemType </entity type> <context> Texas Mobile Temporary Emergency Electric Energy Facilities Rider | 32.6 | 33.4 | 2 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
29.1
|
monetaryItemType
|
table: <entity> 29.1 </entity> <entity type> monetaryItemType </entity type> <context> Environmental Control Projects | 29.1 | 31.4 | 16 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
31.4
|
monetaryItemType
|
table: <entity> 31.4 </entity> <entity type> monetaryItemType </entity type> <context> Environmental Control Projects | 29.1 | 31.4 | 16 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
|
26.1
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monetaryItemType
|
table: <entity> 26.1 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Basic Transmission Cost Rider | 26.1 | 42.2 | 2 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
42.2
|
monetaryItemType
|
table: <entity> 42.2 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Basic Transmission Cost Rider | 26.1 | 42.2 | 2 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
19.0
|
monetaryItemType
|
table: <entity> 19.0 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana | 19.0 | 40.8 | 8 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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40.8
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monetaryItemType
|
table: <entity> 40.8 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana | 19.0 | 40.8 | 8 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
|
107.0
|
monetaryItemType
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table: <entity> 107.0 </entity> <entity type> monetaryItemType </entity type> <context> Long-term Under-recovered Fuel Costs - Virginia | — | 107.0 </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
159.9
|
monetaryItemType
|
table: <entity> 159.9 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 159.9 | 124.9 | various </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
124.9
|
monetaryItemType
|
table: <entity> 124.9 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 159.9 | 124.9 | various </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
1711.5
|
monetaryItemType
|
table: <entity> 1711.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Earning a Return | 1,711.5 | 1,946.9 </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
1946.9
|
monetaryItemType
|
table: <entity> 1946.9 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Earning a Return | 1,711.5 | 1,946.9 </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
974.2
|
monetaryItemType
|
table: <entity> 974.2 </entity> <entity type> monetaryItemType </entity type> <context> Pension and OPEB Funded Status | 974.2 | 1,054.1 | 12 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
1054.1
|
monetaryItemType
|
table: <entity> 1054.1 </entity> <entity type> monetaryItemType </entity type> <context> Pension and OPEB Funded Status | 974.2 | 1,054.1 | 12 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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360.1
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monetaryItemType
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table: <entity> 360.1 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Asset Retirement Obligation Costs | 360.1 | 330.2 | 18 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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330.2
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monetaryItemType
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table: <entity> 330.2 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Asset Retirement Obligation Costs | 360.1 | 330.2 | 18 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
90.9
|
monetaryItemType
|
table: <entity> 90.9 </entity> <entity type> monetaryItemType </entity type> <context> Unamortized Loss on Reacquired Debt | 90.9 | 97.2 | 24 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
97.2
|
monetaryItemType
|
table: <entity> 97.2 </entity> <entity type> monetaryItemType </entity type> <context> Unamortized Loss on Reacquired Debt | 90.9 | 97.2 | 24 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
66.5
|
monetaryItemType
|
table: <entity> 66.5 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 66.5 | 38.5 | 7 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
38.5
|
monetaryItemType
|
table: <entity> 38.5 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 66.5 | 38.5 | 7 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
57.4
|
monetaryItemType
|
table: <entity> 57.4 </entity> <entity type> monetaryItemType </entity type> <context> Fuel and Purchased Power Adjustment Rider | 57.4 | 68.3 | 2 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
68.3
|
monetaryItemType
|
table: <entity> 68.3 </entity> <entity type> monetaryItemType </entity type> <context> Fuel and Purchased Power Adjustment Rider | 57.4 | 68.3 | 2 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
53.3
|
monetaryItemType
|
table: <entity> 53.3 </entity> <entity type> monetaryItemType </entity type> <context> Unrealized Loss on Forward Commitments | 53.3 | 131.4 | 8 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
131.4
|
monetaryItemType
|
table: <entity> 131.4 </entity> <entity type> monetaryItemType </entity type> <context> Unrealized Loss on Forward Commitments | 53.3 | 131.4 | 8 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
52.0
|
monetaryItemType
|
table: <entity> 52.0 </entity> <entity type> monetaryItemType </entity type> <context> OVEC Purchased Power | 52.0 | 50.1 | 2 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
50.1
|
monetaryItemType
|
table: <entity> 50.1 </entity> <entity type> monetaryItemType </entity type> <context> OVEC Purchased Power | 52.0 | 50.1 | 2 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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44.5
|
monetaryItemType
|
table: <entity> 44.5 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant, Texas | 44.5 | 48.7 | 22 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
48.7
|
monetaryItemType
|
table: <entity> 48.7 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant, Texas | 44.5 | 48.7 | 22 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
43.0
|
monetaryItemType
|
table: <entity> 43.0 </entity> <entity type> monetaryItemType </entity type> <context> Cook Plant Nuclear Refueling Outage Levelization | 43.0 | 55.7 | 3 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
|
55.7
|
monetaryItemType
|
table: <entity> 55.7 </entity> <entity type> monetaryItemType </entity type> <context> Cook Plant Nuclear Refueling Outage Levelization | 43.0 | 55.7 | 3 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
33.8
|
monetaryItemType
|
table: <entity> 33.8 </entity> <entity type> monetaryItemType </entity type> <context> Smart Grid Costs | 33.8 | 26.3 | 2 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
26.3
|
monetaryItemType
|
table: <entity> 26.3 </entity> <entity type> monetaryItemType </entity type> <context> Smart Grid Costs | 33.8 | 26.3 | 2 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
27.9
|
monetaryItemType
|
table: <entity> 27.9 </entity> <entity type> monetaryItemType </entity type> <context> Postemployment Benefits | 27.9 | 30.6 | 3 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
30.6
|
monetaryItemType
|
table: <entity> 30.6 </entity> <entity type> monetaryItemType </entity type> <context> Postemployment Benefits | 27.9 | 30.6 | 3 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
26.2
|
monetaryItemType
|
table: <entity> 26.2 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Enhanced Service Reliability Plan | 26.2 | 35.3 | 2 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
35.3
|
monetaryItemType
|
table: <entity> 35.3 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Enhanced Service Reliability Plan | 26.2 | 35.3 | 2 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
26.0
|
monetaryItemType
|
table: <entity> 26.0 </entity> <entity type> monetaryItemType </entity type> <context> 2020-2022 Virginia Triennial Under Earnings | 26.0 | 37.4 | 3 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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37.4
|
monetaryItemType
|
table: <entity> 37.4 </entity> <entity type> monetaryItemType </entity type> <context> 2020-2022 Virginia Triennial Under Earnings | 26.0 | 37.4 | 3 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
11.0
|
monetaryItemType
|
table: <entity> 11.0 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Distribution Investment Rider | 11.0 | 35.3 | 2 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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240.1
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monetaryItemType
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table: <entity> 240.1 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 240.1 | 269.1 | various </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
269.1
|
monetaryItemType
|
table: <entity> 269.1 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 240.1 | 269.1 | various </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
|
2106.9
|
monetaryItemType
|
table: <entity> 2106.9 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 2,106.9 | 2,308.2 </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
2308.2
|
monetaryItemType
|
table: <entity> 2308.2 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 2,106.9 | 2,308.2 </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
3818.4
|
monetaryItemType
|
table: <entity> 3818.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Approved for Recovery | 3,818.4 | 4,255.1 </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
|
4255.1
|
monetaryItemType
|
table: <entity> 4255.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Approved for Recovery | 3,818.4 | 4,255.1 </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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5129.2
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monetaryItemType
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table: <entity> 5129.2 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Assets | $ | 5,129.2 | $ | 5,092.4 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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5092.4
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monetaryItemType
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table: <entity> 5092.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Assets | $ | 5,129.2 | $ | 5,092.4 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
21.6
|
monetaryItemType
|
table: <entity> 21.6 </entity> <entity type> monetaryItemType </entity type> <context> Over-recovered Fuel Costs - pays a return | $ | 21.6 | $ | 3.3 | 1 year </context>
|
us-gaap:RegulatoryLiabilityCurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
3.3
|
monetaryItemType
|
table: <entity> 3.3 </entity> <entity type> monetaryItemType </entity type> <context> Over-recovered Fuel Costs - pays a return | $ | 21.6 | $ | 3.3 | 1 year </context>
|
us-gaap:RegulatoryLiabilityCurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
31.9
|
monetaryItemType
|
table: <entity> 31.9 </entity> <entity type> monetaryItemType </entity type> <context> Over-recovered Fuel Costs - does not pay a return | 31.9 | 23.2 | 1 year </context>
|
us-gaap:RegulatoryLiabilityCurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
23.2
|
monetaryItemType
|
table: <entity> 23.2 </entity> <entity type> monetaryItemType </entity type> <context> Over-recovered Fuel Costs - does not pay a return | 31.9 | 23.2 | 1 year </context>
|
us-gaap:RegulatoryLiabilityCurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
53.5
|
monetaryItemType
|
table: <entity> 53.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Current Regulatory Liabilities | $ | 53.5 | $ | 26.5 </context>
|
us-gaap:RegulatoryLiabilityCurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
26.5
|
monetaryItemType
|
table: <entity> 26.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Current Regulatory Liabilities | $ | 53.5 | $ | 26.5 </context>
|
us-gaap:RegulatoryLiabilityCurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
176.0
|
monetaryItemType
|
table: <entity> 176.0 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (a) | $ | 176.0 | $ | 103.1 </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
103.1
|
monetaryItemType
|
table: <entity> 103.1 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (a) | $ | 176.0 | $ | 103.1 </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
131.3
|
monetaryItemType
|
table: <entity> 131.3 </entity> <entity type> monetaryItemType </entity type> <context> FERC 2021 Transmission Formula Rate Challenge Refunds | 131.3 | 103.1 </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
14.7
|
monetaryItemType
|
table: <entity> 14.7 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Pending Final Regulatory Determination | 14.7 | 1.7 </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
1.7
|
monetaryItemType
|
table: <entity> 1.7 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Pending Final Regulatory Determination | 14.7 | 1.7 </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
146.0
|
monetaryItemType
|
table: <entity> 146.0 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Not Paying a Return | 146.0 | 104.8 </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
104.8
|
monetaryItemType
|
table: <entity> 104.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Not Paying a Return | 146.0 | 104.8 </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
322.0
|
monetaryItemType
|
table: <entity> 322.0 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Pending Final Regulatory Determination | 322.0 | 207.9 </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
207.9
|
monetaryItemType
|
table: <entity> 207.9 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Pending Final Regulatory Determination | 322.0 | 207.9 </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
3828.0
|
monetaryItemType
|
table: <entity> 3828.0 </entity> <entity type> monetaryItemType </entity type> <context> Asset Removal Costs | 3,828.0 | 3,563.5 | (b) </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
3563.5
|
monetaryItemType
|
table: <entity> 3563.5 </entity> <entity type> monetaryItemType </entity type> <context> Asset Removal Costs | 3,828.0 | 3,563.5 | (b) </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
1622.1
|
monetaryItemType
|
table: <entity> 1622.1 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (a) | 1,622.1 | 2,179.7 | (c) </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
2179.7
|
monetaryItemType
|
table: <entity> 2179.7 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (a) | 1,622.1 | 2,179.7 | (c) </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
35.9
|
monetaryItemType
|
table: <entity> 35.9 </entity> <entity type> monetaryItemType </entity type> <context> Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements | 35.9 | 44.9 | 4 years </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
44.9
|
monetaryItemType
|
table: <entity> 44.9 </entity> <entity type> monetaryItemType </entity type> <context> Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements | 35.9 | 44.9 | 4 years </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
40.4
|
monetaryItemType
|
table: <entity> 40.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 40.4 | 35.0 | various </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
35.0
|
monetaryItemType
|
table: <entity> 35.0 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 40.4 | 35.0 | various </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
5526.4
|
monetaryItemType
|
table: <entity> 5526.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Paying a Return | 5,526.4 | 5,823.1 </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
5823.1
|
monetaryItemType
|
table: <entity> 5823.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Paying a Return | 5,526.4 | 5,823.1 </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
2137.3
|
monetaryItemType
|
table: <entity> 2137.3 </entity> <entity type> monetaryItemType </entity type> <context> Excess Nuclear Decommissioning Funding | 2,137.3 | 1,721.9 | (d) </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
1721.9
|
monetaryItemType
|
table: <entity> 1721.9 </entity> <entity type> monetaryItemType </entity type> <context> Excess Nuclear Decommissioning Funding | 2,137.3 | 1,721.9 | (d) </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
65.1
|
monetaryItemType
|
table: <entity> 65.1 </entity> <entity type> monetaryItemType </entity type> <context> Deferred Investment Tax Credits | 65.1 | 154.5 | 29 years </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
154.5
|
monetaryItemType
|
table: <entity> 154.5 </entity> <entity type> monetaryItemType </entity type> <context> Deferred Investment Tax Credits | 65.1 | 154.5 | 29 years </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
52.6
|
monetaryItemType
|
table: <entity> 52.6 </entity> <entity type> monetaryItemType </entity type> <context> Demand Side Management | 52.6 | 31.3 | 2 years </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
31.3
|
monetaryItemType
|
table: <entity> 31.3 </entity> <entity type> monetaryItemType </entity type> <context> Demand Side Management | 52.6 | 31.3 | 2 years </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
50.4
|
monetaryItemType
|
table: <entity> 50.4 </entity> <entity type> monetaryItemType </entity type> <context> Spent Nuclear Fuel | 50.4 | 47.6 | (d) </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
47.6
|
monetaryItemType
|
table: <entity> 47.6 </entity> <entity type> monetaryItemType </entity type> <context> Spent Nuclear Fuel | 50.4 | 47.6 | (d) </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Refund Period</td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Over-recovered Fuel Costs - does not pay a return</td><td></td><td>31.9</td><td></td><td></td><td>23.2</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>53.5</td><td></td><td></td><td>$</td><td>26.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities pending final regulatory determination:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>$</td><td>176.0</td><td></td><td></td><td>$</td><td>103.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>176.0</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>131.3</td><td></td><td></td><td>103.1</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>14.7</td><td></td><td></td><td>1.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>146.0</td><td></td><td></td><td>104.8</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>322.0</td><td></td><td></td><td>207.9</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory liabilities approved for payment:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Asset Removal Costs</td><td></td><td>3,828.0</td><td></td><td></td><td>3,563.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>1,622.1</td><td></td><td></td><td>2,179.7</td><td></td><td></td><td>(c)</td></tr><tr><td>Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements</td><td></td><td>35.9</td><td></td><td></td><td>44.9</td><td></td><td></td><td>4 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>40.4</td><td></td><td></td><td>35.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>5,526.4</td><td></td><td></td><td>5,823.1</td><td></td><td></td><td></td></tr><tr><td>Regulatory Liabilities Currently Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Excess Nuclear Decommissioning Funding</td><td></td><td>2,137.3</td><td></td><td></td><td>1,721.9</td><td></td><td></td><td>(d)</td></tr><tr><td>Deferred Investment Tax Credits</td><td></td><td>65.1</td><td></td><td></td><td>154.5</td><td></td><td></td><td>29 years</td></tr><tr><td>Demand Side Management</td><td></td><td>52.6</td><td></td><td></td><td>31.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Spent Nuclear Fuel</td><td></td><td>50.4</td><td></td><td></td><td>47.6</td><td></td><td></td><td>(d)</td></tr><tr><td>2017-2019 Virginia Triennial Revenue Provision</td><td></td><td>35.2</td><td></td><td></td><td>37.1</td><td></td><td></td><td>25 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>32.8</td><td></td><td></td><td>26.4</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - Ohio</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>90.1</td><td></td><td></td><td>106.5</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>2,495.6</td><td></td><td></td><td>2,151.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>8,022.0</td><td></td><td></td><td>7,974.5</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>8,344.0</td><td></td><td></td><td>$</td><td>8,182.4</td><td></td><td></td><td></td></tr></table>
|
table
|
35.2
|
monetaryItemType
|
table: <entity> 35.2 </entity> <entity type> monetaryItemType </entity type> <context> 2017-2019 Virginia Triennial Revenue Provision | 35.2 | 37.1 | 25 years </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
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