context
stringlengths 21
24.6k
| category
stringclasses 2
values | entity
stringlengths 1
12
| entity_type
stringclasses 5
values | query
stringlengths 97
3.31k
| answer
stringlengths 12
168
|
|---|---|---|---|---|---|
<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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
13.8
|
monetaryItemType
|
table: <entity> 13.8 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 12.6 | 13.8 | 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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
293.3
|
monetaryItemType
|
table: <entity> 293.3 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Earning a Return | 293.3 | 483.1 </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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
483.1
|
monetaryItemType
|
table: <entity> 483.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Earning a Return | 293.3 | 483.1 </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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
93.2
|
monetaryItemType
|
table: <entity> 93.2 </entity> <entity type> monetaryItemType </entity type> <context> Pension and OPEB Funded Status | 93.2 | 109.2 | 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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
109.2
|
monetaryItemType
|
table: <entity> 109.2 </entity> <entity type> monetaryItemType </entity type> <context> Pension and OPEB Funded Status | 93.2 | 109.2 | 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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
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>
|
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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</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>
|
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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
12.8
|
monetaryItemType
|
table: <entity> 12.8 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant, Arkansas | 12.8 | 17.3 | 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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
17.3
|
monetaryItemType
|
table: <entity> 17.3 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant, Arkansas | 12.8 | 17.3 | 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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
1.2
|
monetaryItemType
|
table: <entity> 1.2 </entity> <entity type> monetaryItemType </entity type> <context> Unrealized Loss on Forward Commitments | 1.2 | 15.4 | 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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
15.4
|
monetaryItemType
|
table: <entity> 15.4 </entity> <entity type> monetaryItemType </entity type> <context> Unrealized Loss on Forward Commitments | 1.2 | 15.4 | 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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
20.2
|
monetaryItemType
|
table: <entity> 20.2 </entity> <entity type> monetaryItemType </entity type> <context> North Central Wind Rider | — | 20.2 </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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
22.1
|
monetaryItemType
|
table: <entity> 22.1 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 22.1 | 30.1 | 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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
30.1
|
monetaryItemType
|
table: <entity> 30.1 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 22.1 | 30.1 | 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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
173.8
|
monetaryItemType
|
table: <entity> 173.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 173.8 | 240.9 </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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
240.9
|
monetaryItemType
|
table: <entity> 240.9 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 173.8 | 240.9 </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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
467.1
|
monetaryItemType
|
table: <entity> 467.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Approved for Recovery | 467.1 | 724.0 </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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
724.0
|
monetaryItemType
|
table: <entity> 724.0 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Approved for Recovery | 467.1 | 724.0 </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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
921.3
|
monetaryItemType
|
table: <entity> 921.3 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Assets | $ | 921.3 | $ | 1,131.8 </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>SWEPCo</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>Regulatory Assets:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>$</td><td>84.2</td><td></td><td></td><td>$</td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - earns a return (b)</td><td></td><td>22.4</td><td></td><td></td><td>76.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>106.6</td><td></td><td></td><td>$</td><td>170.8</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>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>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>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>Dolet Hills Power Station Accelerated Depreciation (c)</td><td></td><td>11.8</td><td></td><td></td><td>12.0</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></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>10.8</td><td></td><td></td><td>26.0</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>346.0</td><td></td><td></td><td>338.1</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>NOLC - Costs (d)</td><td></td><td>49.6</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs - Louisiana, Texas</td><td></td><td>39.9</td><td></td><td></td><td>56.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>18.7</td><td></td><td></td><td>13.7</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>108.2</td><td></td><td></td><td>69.7</td><td></td><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>454.2</td><td></td><td></td><td>407.8</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>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>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 (b)</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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>40.2</td><td></td><td></td><td>44.4</td><td></td><td></td><td>18 years</td></tr><tr><td>Dolet Hills Power Station Fuel Costs - Louisiana</td><td></td><td>21.7</td><td></td><td></td><td>—</td><td></td><td></td><td>3 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>Storm-Related Costs - Louisiana (e)</td><td></td><td>—</td><td></td><td></td><td>144.7</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>12.6</td><td></td><td></td><td>13.8</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>293.3</td><td></td><td></td><td>483.1</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>93.2</td><td></td><td></td><td>109.2</td><td></td><td></td><td>12 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>Plant Retirement Costs - Unrecovered Plant, Arkansas</td><td></td><td>12.8</td><td></td><td></td><td>17.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>1.2</td><td></td><td></td><td>15.4</td><td></td><td></td><td>3 years</td></tr><tr><td>North Central Wind Rider</td><td></td><td>—</td><td></td><td></td><td>20.2</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>22.1</td><td></td><td></td><td>30.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>173.8</td><td></td><td></td><td>240.9</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>Total Regulatory Assets Approved for Recovery</td><td></td><td>467.1</td><td></td><td></td><td>724.0</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>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>921.3</td><td></td><td></td><td>$</td><td>1,131.8</td><td></td><td></td><td></td></tr></table>
|
table
|
1131.8
|
monetaryItemType
|
table: <entity> 1131.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Assets | $ | 921.3 | $ | 1,131.8 </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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</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 (a) | $ | 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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</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 (a) | $ | 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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</td><td></td><td></td><td></td></tr></table>
|
table
|
7.0
|
monetaryItemType
|
table: <entity> 7.0 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (b) | $ | 7.0 | $ | 7.0 </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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</td><td></td><td></td><td></td></tr></table>
|
table
|
456.6
|
monetaryItemType
|
table: <entity> 456.6 </entity> <entity type> monetaryItemType </entity type> <context> Asset Removal Costs | 456.6 | 443.2 | (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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</td><td></td><td></td><td></td></tr></table>
|
table
|
443.2
|
monetaryItemType
|
table: <entity> 443.2 </entity> <entity type> monetaryItemType </entity type> <context> Asset Removal Costs | 456.6 | 443.2 | (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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</td><td></td><td></td><td></td></tr></table>
|
table
|
127.5
|
monetaryItemType
|
table: <entity> 127.5 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (b) | 127.5 | 292.4 | (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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</td><td></td><td></td><td></td></tr></table>
|
table
|
292.4
|
monetaryItemType
|
table: <entity> 292.4 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (b) | 127.5 | 292.4 | (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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</td><td></td><td></td><td></td></tr></table>
|
table
|
7.3
|
monetaryItemType
|
table: <entity> 7.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 7.3 | 4.4 | 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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</td><td></td><td></td><td></td></tr></table>
|
table
|
4.4
|
monetaryItemType
|
table: <entity> 4.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 7.3 | 4.4 | 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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</td><td></td><td></td><td></td></tr></table>
|
table
|
591.4
|
monetaryItemType
|
table: <entity> 591.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Paying a Return | 591.4 | 740.0 </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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</td><td></td><td></td><td></td></tr></table>
|
table
|
740.0
|
monetaryItemType
|
table: <entity> 740.0 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Paying a Return | 591.4 | 740.0 </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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</td><td></td><td></td><td></td></tr></table>
|
table
|
12.4
|
monetaryItemType
|
table: <entity> 12.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 12.4 | 9.1 | 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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</td><td></td><td></td><td></td></tr></table>
|
table
|
9.1
|
monetaryItemType
|
table: <entity> 9.1 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 12.4 | 9.1 | 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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</td><td></td><td></td><td></td></tr></table>
|
table
|
603.8
|
monetaryItemType
|
table: <entity> 603.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Approved for Payment | 603.8 | 749.1 </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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</td><td></td><td></td><td></td></tr></table>
|
table
|
749.1
|
monetaryItemType
|
table: <entity> 749.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Approved for Payment | 603.8 | 749.1 </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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</td><td></td><td></td><td></td></tr></table>
|
table
|
610.8
|
monetaryItemType
|
table: <entity> 610.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits | $ | 610.8 | $ | 756.1 </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>SWEPCo</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Refund Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Regulatory Liabilities:</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Current Regulatory Liabilities</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Over-recovered Fuel Costs - pays a return (a)</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>Total Current Regulatory Liabilities</td><td></td><td>$</td><td>21.6</td><td></td><td></td><td>$</td><td>3.3</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>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 (b)</td><td></td><td>$</td><td>7.0</td><td></td><td></td><td>$</td><td>7.0</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></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>7.0</td><td></td><td></td><td>7.0</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>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>456.6</td><td></td><td></td><td>443.2</td><td></td><td></td><td>(c)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>127.5</td><td></td><td></td><td>292.4</td><td></td><td></td><td>(d)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>7.3</td><td></td><td></td><td>4.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>591.4</td><td></td><td></td><td>740.0</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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>12.4</td><td></td><td></td><td>9.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>12.4</td><td></td><td></td><td>9.1</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 Approved for Payment</td><td></td><td>603.8</td><td></td><td></td><td>749.1</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 Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>610.8</td><td></td><td></td><td>$</td><td>756.1</td><td></td><td></td><td></td></tr></table>
|
table
|
756.1
|
monetaryItemType
|
table: <entity> 756.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits | $ | 610.8 | $ | 756.1 </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><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>Contractual Commitments - AEP</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>1,002.0</td><td></td><td></td><td>$</td><td>942.0</td><td></td><td></td><td>$</td><td>475.7</td><td></td><td></td><td>$</td><td>368.3</td><td></td><td></td><td>$</td><td>2,788.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>192.8</td><td></td><td></td><td>384.0</td><td></td><td></td><td>334.3</td><td></td><td></td><td>464.0</td><td></td><td></td><td>1,375.1</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>1,194.8</td><td></td><td></td><td>$</td><td>1,326.0</td><td></td><td></td><td>$</td><td>810.0</td><td></td><td></td><td>$</td><td>832.3</td><td></td><td></td><td>$</td><td>4,163.1</td><td></td></tr></table>
|
table
|
1002.0
|
monetaryItemType
|
table: <entity> 1002.0 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Purchase Contracts (a) | $ | 1,002.0 | $ | 942.0 | $ | 475.7 | $ | 368.3 | $ | 2,788.0 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - AEP</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>1,002.0</td><td></td><td></td><td>$</td><td>942.0</td><td></td><td></td><td>$</td><td>475.7</td><td></td><td></td><td>$</td><td>368.3</td><td></td><td></td><td>$</td><td>2,788.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>192.8</td><td></td><td></td><td>384.0</td><td></td><td></td><td>334.3</td><td></td><td></td><td>464.0</td><td></td><td></td><td>1,375.1</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>1,194.8</td><td></td><td></td><td>$</td><td>1,326.0</td><td></td><td></td><td>$</td><td>810.0</td><td></td><td></td><td>$</td><td>832.3</td><td></td><td></td><td>$</td><td>4,163.1</td><td></td></tr></table>
|
table
|
368.3
|
monetaryItemType
|
table: <entity> 368.3 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Purchase Contracts (a) | $ | 1,002.0 | $ | 942.0 | $ | 475.7 | $ | 368.3 | $ | 2,788.0 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueAfterFifthYear
|
<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><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>Contractual Commitments - AEP</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>1,002.0</td><td></td><td></td><td>$</td><td>942.0</td><td></td><td></td><td>$</td><td>475.7</td><td></td><td></td><td>$</td><td>368.3</td><td></td><td></td><td>$</td><td>2,788.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>192.8</td><td></td><td></td><td>384.0</td><td></td><td></td><td>334.3</td><td></td><td></td><td>464.0</td><td></td><td></td><td>1,375.1</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>1,194.8</td><td></td><td></td><td>$</td><td>1,326.0</td><td></td><td></td><td>$</td><td>810.0</td><td></td><td></td><td>$</td><td>832.3</td><td></td><td></td><td>$</td><td>4,163.1</td><td></td></tr></table>
|
table
|
2788.0
|
monetaryItemType
|
table: <entity> 2788.0 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Purchase Contracts (a) | $ | 1,002.0 | $ | 942.0 | $ | 475.7 | $ | 368.3 | $ | 2,788.0 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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><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>Contractual Commitments - AEP</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>1,002.0</td><td></td><td></td><td>$</td><td>942.0</td><td></td><td></td><td>$</td><td>475.7</td><td></td><td></td><td>$</td><td>368.3</td><td></td><td></td><td>$</td><td>2,788.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>192.8</td><td></td><td></td><td>384.0</td><td></td><td></td><td>334.3</td><td></td><td></td><td>464.0</td><td></td><td></td><td>1,375.1</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>1,194.8</td><td></td><td></td><td>$</td><td>1,326.0</td><td></td><td></td><td>$</td><td>810.0</td><td></td><td></td><td>$</td><td>832.3</td><td></td><td></td><td>$</td><td>4,163.1</td><td></td></tr></table>
|
table
|
192.8
|
monetaryItemType
|
table: <entity> 192.8 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | 192.8 | 384.0 | 334.3 | 464.0 | 1,375.1 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - AEP</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>1,002.0</td><td></td><td></td><td>$</td><td>942.0</td><td></td><td></td><td>$</td><td>475.7</td><td></td><td></td><td>$</td><td>368.3</td><td></td><td></td><td>$</td><td>2,788.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>192.8</td><td></td><td></td><td>384.0</td><td></td><td></td><td>334.3</td><td></td><td></td><td>464.0</td><td></td><td></td><td>1,375.1</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>1,194.8</td><td></td><td></td><td>$</td><td>1,326.0</td><td></td><td></td><td>$</td><td>810.0</td><td></td><td></td><td>$</td><td>832.3</td><td></td><td></td><td>$</td><td>4,163.1</td><td></td></tr></table>
|
table
|
464.0
|
monetaryItemType
|
table: <entity> 464.0 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | 192.8 | 384.0 | 334.3 | 464.0 | 1,375.1 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueAfterFifthYear
|
<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><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>Contractual Commitments - AEP</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>1,002.0</td><td></td><td></td><td>$</td><td>942.0</td><td></td><td></td><td>$</td><td>475.7</td><td></td><td></td><td>$</td><td>368.3</td><td></td><td></td><td>$</td><td>2,788.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>192.8</td><td></td><td></td><td>384.0</td><td></td><td></td><td>334.3</td><td></td><td></td><td>464.0</td><td></td><td></td><td>1,375.1</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>1,194.8</td><td></td><td></td><td>$</td><td>1,326.0</td><td></td><td></td><td>$</td><td>810.0</td><td></td><td></td><td>$</td><td>832.3</td><td></td><td></td><td>$</td><td>4,163.1</td><td></td></tr></table>
|
table
|
1375.1
|
monetaryItemType
|
table: <entity> 1375.1 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | 192.8 | 384.0 | 334.3 | 464.0 | 1,375.1 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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><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>Contractual Commitments - AEP</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>1,002.0</td><td></td><td></td><td>$</td><td>942.0</td><td></td><td></td><td>$</td><td>475.7</td><td></td><td></td><td>$</td><td>368.3</td><td></td><td></td><td>$</td><td>2,788.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>192.8</td><td></td><td></td><td>384.0</td><td></td><td></td><td>334.3</td><td></td><td></td><td>464.0</td><td></td><td></td><td>1,375.1</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>1,194.8</td><td></td><td></td><td>$</td><td>1,326.0</td><td></td><td></td><td>$</td><td>810.0</td><td></td><td></td><td>$</td><td>832.3</td><td></td><td></td><td>$</td><td>4,163.1</td><td></td></tr></table>
|
table
|
1194.8
|
monetaryItemType
|
table: <entity> 1194.8 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 1,194.8 | $ | 1,326.0 | $ | 810.0 | $ | 832.3 | $ | 4,163.1 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - AEP</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>1,002.0</td><td></td><td></td><td>$</td><td>942.0</td><td></td><td></td><td>$</td><td>475.7</td><td></td><td></td><td>$</td><td>368.3</td><td></td><td></td><td>$</td><td>2,788.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>192.8</td><td></td><td></td><td>384.0</td><td></td><td></td><td>334.3</td><td></td><td></td><td>464.0</td><td></td><td></td><td>1,375.1</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>1,194.8</td><td></td><td></td><td>$</td><td>1,326.0</td><td></td><td></td><td>$</td><td>810.0</td><td></td><td></td><td>$</td><td>832.3</td><td></td><td></td><td>$</td><td>4,163.1</td><td></td></tr></table>
|
table
|
832.3
|
monetaryItemType
|
table: <entity> 832.3 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 1,194.8 | $ | 1,326.0 | $ | 810.0 | $ | 832.3 | $ | 4,163.1 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueAfterFifthYear
|
<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><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>Contractual Commitments - AEP</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>1,002.0</td><td></td><td></td><td>$</td><td>942.0</td><td></td><td></td><td>$</td><td>475.7</td><td></td><td></td><td>$</td><td>368.3</td><td></td><td></td><td>$</td><td>2,788.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>192.8</td><td></td><td></td><td>384.0</td><td></td><td></td><td>334.3</td><td></td><td></td><td>464.0</td><td></td><td></td><td>1,375.1</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>1,194.8</td><td></td><td></td><td>$</td><td>1,326.0</td><td></td><td></td><td>$</td><td>810.0</td><td></td><td></td><td>$</td><td>832.3</td><td></td><td></td><td>$</td><td>4,163.1</td><td></td></tr></table>
|
table
|
4163.1
|
monetaryItemType
|
table: <entity> 4163.1 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 1,194.8 | $ | 1,326.0 | $ | 810.0 | $ | 832.3 | $ | 4,163.1 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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><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>Contractual Commitments - APCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>506.7</td><td></td><td></td><td>$</td><td>328.6</td><td></td><td></td><td>$</td><td>167.0</td><td></td><td></td><td>$</td><td>96.0</td><td></td><td></td><td>$</td><td>1,098.3</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>40.4</td><td></td><td></td><td>79.9</td><td></td><td></td><td>48.0</td><td></td><td></td><td>52.2</td><td></td><td></td><td>220.5</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>547.1</td><td></td><td></td><td>$</td><td>408.5</td><td></td><td></td><td>$</td><td>215.0</td><td></td><td></td><td>$</td><td>148.2</td><td></td><td></td><td>$</td><td>1,318.8</td><td></td></tr></table>
|
table
|
506.7
|
monetaryItemType
|
table: <entity> 506.7 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Purchase Contracts (a) | $ | 506.7 | $ | 328.6 | $ | 167.0 | $ | 96.0 | $ | 1,098.3 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - APCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>506.7</td><td></td><td></td><td>$</td><td>328.6</td><td></td><td></td><td>$</td><td>167.0</td><td></td><td></td><td>$</td><td>96.0</td><td></td><td></td><td>$</td><td>1,098.3</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>40.4</td><td></td><td></td><td>79.9</td><td></td><td></td><td>48.0</td><td></td><td></td><td>52.2</td><td></td><td></td><td>220.5</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>547.1</td><td></td><td></td><td>$</td><td>408.5</td><td></td><td></td><td>$</td><td>215.0</td><td></td><td></td><td>$</td><td>148.2</td><td></td><td></td><td>$</td><td>1,318.8</td><td></td></tr></table>
|
table
|
96.0
|
monetaryItemType
|
table: <entity> 96.0 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Purchase Contracts (a) | $ | 506.7 | $ | 328.6 | $ | 167.0 | $ | 96.0 | $ | 1,098.3 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueAfterFifthYear
|
<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><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>Contractual Commitments - APCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>506.7</td><td></td><td></td><td>$</td><td>328.6</td><td></td><td></td><td>$</td><td>167.0</td><td></td><td></td><td>$</td><td>96.0</td><td></td><td></td><td>$</td><td>1,098.3</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>40.4</td><td></td><td></td><td>79.9</td><td></td><td></td><td>48.0</td><td></td><td></td><td>52.2</td><td></td><td></td><td>220.5</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>547.1</td><td></td><td></td><td>$</td><td>408.5</td><td></td><td></td><td>$</td><td>215.0</td><td></td><td></td><td>$</td><td>148.2</td><td></td><td></td><td>$</td><td>1,318.8</td><td></td></tr></table>
|
table
|
1098.3
|
monetaryItemType
|
table: <entity> 1098.3 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Purchase Contracts (a) | $ | 506.7 | $ | 328.6 | $ | 167.0 | $ | 96.0 | $ | 1,098.3 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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><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>Contractual Commitments - APCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>506.7</td><td></td><td></td><td>$</td><td>328.6</td><td></td><td></td><td>$</td><td>167.0</td><td></td><td></td><td>$</td><td>96.0</td><td></td><td></td><td>$</td><td>1,098.3</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>40.4</td><td></td><td></td><td>79.9</td><td></td><td></td><td>48.0</td><td></td><td></td><td>52.2</td><td></td><td></td><td>220.5</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>547.1</td><td></td><td></td><td>$</td><td>408.5</td><td></td><td></td><td>$</td><td>215.0</td><td></td><td></td><td>$</td><td>148.2</td><td></td><td></td><td>$</td><td>1,318.8</td><td></td></tr></table>
|
table
|
40.4
|
monetaryItemType
|
table: <entity> 40.4 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | 40.4 | 79.9 | 48.0 | 52.2 | 220.5 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - APCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>506.7</td><td></td><td></td><td>$</td><td>328.6</td><td></td><td></td><td>$</td><td>167.0</td><td></td><td></td><td>$</td><td>96.0</td><td></td><td></td><td>$</td><td>1,098.3</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>40.4</td><td></td><td></td><td>79.9</td><td></td><td></td><td>48.0</td><td></td><td></td><td>52.2</td><td></td><td></td><td>220.5</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>547.1</td><td></td><td></td><td>$</td><td>408.5</td><td></td><td></td><td>$</td><td>215.0</td><td></td><td></td><td>$</td><td>148.2</td><td></td><td></td><td>$</td><td>1,318.8</td><td></td></tr></table>
|
table
|
52.2
|
monetaryItemType
|
table: <entity> 52.2 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | 40.4 | 79.9 | 48.0 | 52.2 | 220.5 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueAfterFifthYear
|
<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><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>Contractual Commitments - APCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>506.7</td><td></td><td></td><td>$</td><td>328.6</td><td></td><td></td><td>$</td><td>167.0</td><td></td><td></td><td>$</td><td>96.0</td><td></td><td></td><td>$</td><td>1,098.3</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>40.4</td><td></td><td></td><td>79.9</td><td></td><td></td><td>48.0</td><td></td><td></td><td>52.2</td><td></td><td></td><td>220.5</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>547.1</td><td></td><td></td><td>$</td><td>408.5</td><td></td><td></td><td>$</td><td>215.0</td><td></td><td></td><td>$</td><td>148.2</td><td></td><td></td><td>$</td><td>1,318.8</td><td></td></tr></table>
|
table
|
220.5
|
monetaryItemType
|
table: <entity> 220.5 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | 40.4 | 79.9 | 48.0 | 52.2 | 220.5 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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><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>Contractual Commitments - APCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>506.7</td><td></td><td></td><td>$</td><td>328.6</td><td></td><td></td><td>$</td><td>167.0</td><td></td><td></td><td>$</td><td>96.0</td><td></td><td></td><td>$</td><td>1,098.3</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>40.4</td><td></td><td></td><td>79.9</td><td></td><td></td><td>48.0</td><td></td><td></td><td>52.2</td><td></td><td></td><td>220.5</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>547.1</td><td></td><td></td><td>$</td><td>408.5</td><td></td><td></td><td>$</td><td>215.0</td><td></td><td></td><td>$</td><td>148.2</td><td></td><td></td><td>$</td><td>1,318.8</td><td></td></tr></table>
|
table
|
547.1
|
monetaryItemType
|
table: <entity> 547.1 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 547.1 | $ | 408.5 | $ | 215.0 | $ | 148.2 | $ | 1,318.8 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - APCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>506.7</td><td></td><td></td><td>$</td><td>328.6</td><td></td><td></td><td>$</td><td>167.0</td><td></td><td></td><td>$</td><td>96.0</td><td></td><td></td><td>$</td><td>1,098.3</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>40.4</td><td></td><td></td><td>79.9</td><td></td><td></td><td>48.0</td><td></td><td></td><td>52.2</td><td></td><td></td><td>220.5</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>547.1</td><td></td><td></td><td>$</td><td>408.5</td><td></td><td></td><td>$</td><td>215.0</td><td></td><td></td><td>$</td><td>148.2</td><td></td><td></td><td>$</td><td>1,318.8</td><td></td></tr></table>
|
table
|
148.2
|
monetaryItemType
|
table: <entity> 148.2 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 547.1 | $ | 408.5 | $ | 215.0 | $ | 148.2 | $ | 1,318.8 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueAfterFifthYear
|
<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><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>Contractual Commitments - APCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>506.7</td><td></td><td></td><td>$</td><td>328.6</td><td></td><td></td><td>$</td><td>167.0</td><td></td><td></td><td>$</td><td>96.0</td><td></td><td></td><td>$</td><td>1,098.3</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>40.4</td><td></td><td></td><td>79.9</td><td></td><td></td><td>48.0</td><td></td><td></td><td>52.2</td><td></td><td></td><td>220.5</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>547.1</td><td></td><td></td><td>$</td><td>408.5</td><td></td><td></td><td>$</td><td>215.0</td><td></td><td></td><td>$</td><td>148.2</td><td></td><td></td><td>$</td><td>1,318.8</td><td></td></tr></table>
|
table
|
1318.8
|
monetaryItemType
|
table: <entity> 1318.8 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 547.1 | $ | 408.5 | $ | 215.0 | $ | 148.2 | $ | 1,318.8 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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><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>Contractual Commitments - I&M</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>151.5</td><td></td><td></td><td>$</td><td>346.6</td><td></td><td></td><td>$</td><td>220.7</td><td></td><td></td><td>$</td><td>263.9</td><td></td><td></td><td>$</td><td>982.7</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>119.9</td><td></td><td></td><td>236.2</td><td></td><td></td><td>231.7</td><td></td><td></td><td>321.5</td><td></td><td></td><td>909.3</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>271.4</td><td></td><td></td><td>$</td><td>582.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>585.4</td><td></td><td></td><td>$</td><td>1,892.0</td><td></td></tr></table>
|
table
|
151.5
|
monetaryItemType
|
table: <entity> 151.5 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Purchase Contracts (a) | $ | 151.5 | $ | 346.6 | $ | 220.7 | $ | 263.9 | $ | 982.7 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - I&M</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>151.5</td><td></td><td></td><td>$</td><td>346.6</td><td></td><td></td><td>$</td><td>220.7</td><td></td><td></td><td>$</td><td>263.9</td><td></td><td></td><td>$</td><td>982.7</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>119.9</td><td></td><td></td><td>236.2</td><td></td><td></td><td>231.7</td><td></td><td></td><td>321.5</td><td></td><td></td><td>909.3</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>271.4</td><td></td><td></td><td>$</td><td>582.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>585.4</td><td></td><td></td><td>$</td><td>1,892.0</td><td></td></tr></table>
|
table
|
263.9
|
monetaryItemType
|
table: <entity> 263.9 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Purchase Contracts (a) | $ | 151.5 | $ | 346.6 | $ | 220.7 | $ | 263.9 | $ | 982.7 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueAfterFifthYear
|
<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><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>Contractual Commitments - I&M</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>151.5</td><td></td><td></td><td>$</td><td>346.6</td><td></td><td></td><td>$</td><td>220.7</td><td></td><td></td><td>$</td><td>263.9</td><td></td><td></td><td>$</td><td>982.7</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>119.9</td><td></td><td></td><td>236.2</td><td></td><td></td><td>231.7</td><td></td><td></td><td>321.5</td><td></td><td></td><td>909.3</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>271.4</td><td></td><td></td><td>$</td><td>582.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>585.4</td><td></td><td></td><td>$</td><td>1,892.0</td><td></td></tr></table>
|
table
|
982.7
|
monetaryItemType
|
table: <entity> 982.7 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Purchase Contracts (a) | $ | 151.5 | $ | 346.6 | $ | 220.7 | $ | 263.9 | $ | 982.7 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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><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>Contractual Commitments - I&M</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>151.5</td><td></td><td></td><td>$</td><td>346.6</td><td></td><td></td><td>$</td><td>220.7</td><td></td><td></td><td>$</td><td>263.9</td><td></td><td></td><td>$</td><td>982.7</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>119.9</td><td></td><td></td><td>236.2</td><td></td><td></td><td>231.7</td><td></td><td></td><td>321.5</td><td></td><td></td><td>909.3</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>271.4</td><td></td><td></td><td>$</td><td>582.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>585.4</td><td></td><td></td><td>$</td><td>1,892.0</td><td></td></tr></table>
|
table
|
119.9
|
monetaryItemType
|
table: <entity> 119.9 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | 119.9 | 236.2 | 231.7 | 321.5 | 909.3 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - I&M</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>151.5</td><td></td><td></td><td>$</td><td>346.6</td><td></td><td></td><td>$</td><td>220.7</td><td></td><td></td><td>$</td><td>263.9</td><td></td><td></td><td>$</td><td>982.7</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>119.9</td><td></td><td></td><td>236.2</td><td></td><td></td><td>231.7</td><td></td><td></td><td>321.5</td><td></td><td></td><td>909.3</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>271.4</td><td></td><td></td><td>$</td><td>582.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>585.4</td><td></td><td></td><td>$</td><td>1,892.0</td><td></td></tr></table>
|
table
|
321.5
|
monetaryItemType
|
table: <entity> 321.5 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | 119.9 | 236.2 | 231.7 | 321.5 | 909.3 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueAfterFifthYear
|
<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><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>Contractual Commitments - I&M</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>151.5</td><td></td><td></td><td>$</td><td>346.6</td><td></td><td></td><td>$</td><td>220.7</td><td></td><td></td><td>$</td><td>263.9</td><td></td><td></td><td>$</td><td>982.7</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>119.9</td><td></td><td></td><td>236.2</td><td></td><td></td><td>231.7</td><td></td><td></td><td>321.5</td><td></td><td></td><td>909.3</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>271.4</td><td></td><td></td><td>$</td><td>582.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>585.4</td><td></td><td></td><td>$</td><td>1,892.0</td><td></td></tr></table>
|
table
|
909.3
|
monetaryItemType
|
table: <entity> 909.3 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | 119.9 | 236.2 | 231.7 | 321.5 | 909.3 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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><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>Contractual Commitments - I&M</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>151.5</td><td></td><td></td><td>$</td><td>346.6</td><td></td><td></td><td>$</td><td>220.7</td><td></td><td></td><td>$</td><td>263.9</td><td></td><td></td><td>$</td><td>982.7</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>119.9</td><td></td><td></td><td>236.2</td><td></td><td></td><td>231.7</td><td></td><td></td><td>321.5</td><td></td><td></td><td>909.3</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>271.4</td><td></td><td></td><td>$</td><td>582.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>585.4</td><td></td><td></td><td>$</td><td>1,892.0</td><td></td></tr></table>
|
table
|
271.4
|
monetaryItemType
|
table: <entity> 271.4 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 271.4 | $ | 582.8 | $ | 452.4 | $ | 585.4 | $ | 1,892.0 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - I&M</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>151.5</td><td></td><td></td><td>$</td><td>346.6</td><td></td><td></td><td>$</td><td>220.7</td><td></td><td></td><td>$</td><td>263.9</td><td></td><td></td><td>$</td><td>982.7</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>119.9</td><td></td><td></td><td>236.2</td><td></td><td></td><td>231.7</td><td></td><td></td><td>321.5</td><td></td><td></td><td>909.3</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>271.4</td><td></td><td></td><td>$</td><td>582.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>585.4</td><td></td><td></td><td>$</td><td>1,892.0</td><td></td></tr></table>
|
table
|
585.4
|
monetaryItemType
|
table: <entity> 585.4 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 271.4 | $ | 582.8 | $ | 452.4 | $ | 585.4 | $ | 1,892.0 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueAfterFifthYear
|
<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><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>Contractual Commitments - I&M</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>151.5</td><td></td><td></td><td>$</td><td>346.6</td><td></td><td></td><td>$</td><td>220.7</td><td></td><td></td><td>$</td><td>263.9</td><td></td><td></td><td>$</td><td>982.7</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>119.9</td><td></td><td></td><td>236.2</td><td></td><td></td><td>231.7</td><td></td><td></td><td>321.5</td><td></td><td></td><td>909.3</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>271.4</td><td></td><td></td><td>$</td><td>582.8</td><td></td><td></td><td>$</td><td>452.4</td><td></td><td></td><td>$</td><td>585.4</td><td></td><td></td><td>$</td><td>1,892.0</td><td></td></tr></table>
|
table
|
1892.0
|
monetaryItemType
|
table: <entity> 1892.0 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 271.4 | $ | 582.8 | $ | 452.4 | $ | 585.4 | $ | 1,892.0 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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><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>Contractual Commitments - OPCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>$</td><td>33.2</td><td></td><td></td><td>$</td><td>64.2</td><td></td><td></td><td>$</td><td>66.3</td><td></td><td></td><td>$</td><td>69.5</td><td></td><td></td><td>$</td><td>233.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr></table>
|
table
|
33.2
|
monetaryItemType
|
table: <entity> 33.2 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | $ | 33.2 | $ | 64.2 | $ | 66.3 | $ | 69.5 | $ | 233.2 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - OPCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>$</td><td>33.2</td><td></td><td></td><td>$</td><td>64.2</td><td></td><td></td><td>$</td><td>66.3</td><td></td><td></td><td>$</td><td>69.5</td><td></td><td></td><td>$</td><td>233.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr></table>
|
table
|
69.5
|
monetaryItemType
|
table: <entity> 69.5 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | $ | 33.2 | $ | 64.2 | $ | 66.3 | $ | 69.5 | $ | 233.2 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueAfterFifthYear
|
<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><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>Contractual Commitments - OPCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>$</td><td>33.2</td><td></td><td></td><td>$</td><td>64.2</td><td></td><td></td><td>$</td><td>66.3</td><td></td><td></td><td>$</td><td>69.5</td><td></td><td></td><td>$</td><td>233.2</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr></table>
|
table
|
233.2
|
monetaryItemType
|
table: <entity> 233.2 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | $ | 33.2 | $ | 64.2 | $ | 66.3 | $ | 69.5 | $ | 233.2 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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><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>Contractual Commitments - PSO</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>27.4</td><td></td><td></td><td>$</td><td>17.0</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>44.4</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>62.9</td><td></td><td></td><td>123.6</td><td></td><td></td><td>62.4</td><td></td><td></td><td>19.7</td><td></td><td></td><td>268.6</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>90.3</td><td></td><td></td><td>$</td><td>140.6</td><td></td><td></td><td>$</td><td>62.4</td><td></td><td></td><td>$</td><td>19.7</td><td></td><td></td><td>$</td><td>313.0</td><td></td></tr></table>
|
table
|
27.4
|
monetaryItemType
|
table: <entity> 27.4 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Purchase Contracts (a) | $ | 27.4 | $ | 17.0 | $ | — | $ | — | $ | 44.4 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - PSO</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>27.4</td><td></td><td></td><td>$</td><td>17.0</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>44.4</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>62.9</td><td></td><td></td><td>123.6</td><td></td><td></td><td>62.4</td><td></td><td></td><td>19.7</td><td></td><td></td><td>268.6</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>90.3</td><td></td><td></td><td>$</td><td>140.6</td><td></td><td></td><td>$</td><td>62.4</td><td></td><td></td><td>$</td><td>19.7</td><td></td><td></td><td>$</td><td>313.0</td><td></td></tr></table>
|
table
|
—
|
monetaryItemType
|
table: <entity> — </entity> <entity type> monetaryItemType </entity type> <context> Fuel Purchase Contracts (a) | $ | 27.4 | $ | 17.0 | $ | — | $ | — | $ | 44.4 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueAfterFifthYear
|
<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><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>Contractual Commitments - PSO</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>27.4</td><td></td><td></td><td>$</td><td>17.0</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>44.4</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>62.9</td><td></td><td></td><td>123.6</td><td></td><td></td><td>62.4</td><td></td><td></td><td>19.7</td><td></td><td></td><td>268.6</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>90.3</td><td></td><td></td><td>$</td><td>140.6</td><td></td><td></td><td>$</td><td>62.4</td><td></td><td></td><td>$</td><td>19.7</td><td></td><td></td><td>$</td><td>313.0</td><td></td></tr></table>
|
table
|
44.4
|
monetaryItemType
|
table: <entity> 44.4 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Purchase Contracts (a) | $ | 27.4 | $ | 17.0 | $ | — | $ | — | $ | 44.4 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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><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>Contractual Commitments - PSO</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>27.4</td><td></td><td></td><td>$</td><td>17.0</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>44.4</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>62.9</td><td></td><td></td><td>123.6</td><td></td><td></td><td>62.4</td><td></td><td></td><td>19.7</td><td></td><td></td><td>268.6</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>90.3</td><td></td><td></td><td>$</td><td>140.6</td><td></td><td></td><td>$</td><td>62.4</td><td></td><td></td><td>$</td><td>19.7</td><td></td><td></td><td>$</td><td>313.0</td><td></td></tr></table>
|
table
|
62.9
|
monetaryItemType
|
table: <entity> 62.9 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | 62.9 | 123.6 | 62.4 | 19.7 | 268.6 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - PSO</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>27.4</td><td></td><td></td><td>$</td><td>17.0</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>44.4</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>62.9</td><td></td><td></td><td>123.6</td><td></td><td></td><td>62.4</td><td></td><td></td><td>19.7</td><td></td><td></td><td>268.6</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>90.3</td><td></td><td></td><td>$</td><td>140.6</td><td></td><td></td><td>$</td><td>62.4</td><td></td><td></td><td>$</td><td>19.7</td><td></td><td></td><td>$</td><td>313.0</td><td></td></tr></table>
|
table
|
19.7
|
monetaryItemType
|
table: <entity> 19.7 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | 62.9 | 123.6 | 62.4 | 19.7 | 268.6 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueAfterFifthYear
|
<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><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>Contractual Commitments - PSO</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>27.4</td><td></td><td></td><td>$</td><td>17.0</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>44.4</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>62.9</td><td></td><td></td><td>123.6</td><td></td><td></td><td>62.4</td><td></td><td></td><td>19.7</td><td></td><td></td><td>268.6</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>90.3</td><td></td><td></td><td>$</td><td>140.6</td><td></td><td></td><td>$</td><td>62.4</td><td></td><td></td><td>$</td><td>19.7</td><td></td><td></td><td>$</td><td>313.0</td><td></td></tr></table>
|
table
|
268.6
|
monetaryItemType
|
table: <entity> 268.6 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | 62.9 | 123.6 | 62.4 | 19.7 | 268.6 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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><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>Contractual Commitments - PSO</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>27.4</td><td></td><td></td><td>$</td><td>17.0</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>44.4</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>62.9</td><td></td><td></td><td>123.6</td><td></td><td></td><td>62.4</td><td></td><td></td><td>19.7</td><td></td><td></td><td>268.6</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>90.3</td><td></td><td></td><td>$</td><td>140.6</td><td></td><td></td><td>$</td><td>62.4</td><td></td><td></td><td>$</td><td>19.7</td><td></td><td></td><td>$</td><td>313.0</td><td></td></tr></table>
|
table
|
90.3
|
monetaryItemType
|
table: <entity> 90.3 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 90.3 | $ | 140.6 | $ | 62.4 | $ | 19.7 | $ | 313.0 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - PSO</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>27.4</td><td></td><td></td><td>$</td><td>17.0</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>44.4</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>62.9</td><td></td><td></td><td>123.6</td><td></td><td></td><td>62.4</td><td></td><td></td><td>19.7</td><td></td><td></td><td>268.6</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>90.3</td><td></td><td></td><td>$</td><td>140.6</td><td></td><td></td><td>$</td><td>62.4</td><td></td><td></td><td>$</td><td>19.7</td><td></td><td></td><td>$</td><td>313.0</td><td></td></tr></table>
|
table
|
313.0
|
monetaryItemType
|
table: <entity> 313.0 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 90.3 | $ | 140.6 | $ | 62.4 | $ | 19.7 | $ | 313.0 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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><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>Contractual Commitments - SWEPCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>89.4</td><td></td><td></td><td>$</td><td>46.6</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>136.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>11.5</td><td></td><td></td><td>13.2</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>24.7</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>100.9</td><td></td><td></td><td>$</td><td>59.8</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>160.7</td><td></td></tr></table>
|
table
|
89.4
|
monetaryItemType
|
table: <entity> 89.4 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Purchase Contracts (a) | $ | 89.4 | $ | 46.6 | $ | — | $ | — | $ | 136.0 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - SWEPCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>89.4</td><td></td><td></td><td>$</td><td>46.6</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>136.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>11.5</td><td></td><td></td><td>13.2</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>24.7</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>100.9</td><td></td><td></td><td>$</td><td>59.8</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>160.7</td><td></td></tr></table>
|
table
|
—
|
monetaryItemType
|
table: <entity> — </entity> <entity type> monetaryItemType </entity type> <context> Fuel Purchase Contracts (a) | $ | 89.4 | $ | 46.6 | $ | — | $ | — | $ | 136.0 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueAfterFifthYear
|
<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><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>Contractual Commitments - SWEPCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>89.4</td><td></td><td></td><td>$</td><td>46.6</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>136.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>11.5</td><td></td><td></td><td>13.2</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>24.7</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>100.9</td><td></td><td></td><td>$</td><td>59.8</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>160.7</td><td></td></tr></table>
|
table
|
136.0
|
monetaryItemType
|
table: <entity> 136.0 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Purchase Contracts (a) | $ | 89.4 | $ | 46.6 | $ | — | $ | — | $ | 136.0 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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><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>Contractual Commitments - SWEPCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>89.4</td><td></td><td></td><td>$</td><td>46.6</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>136.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>11.5</td><td></td><td></td><td>13.2</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>24.7</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>100.9</td><td></td><td></td><td>$</td><td>59.8</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>160.7</td><td></td></tr></table>
|
table
|
11.5
|
monetaryItemType
|
table: <entity> 11.5 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | 11.5 | 13.2 | — | — | 24.7 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - SWEPCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>89.4</td><td></td><td></td><td>$</td><td>46.6</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>136.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>11.5</td><td></td><td></td><td>13.2</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>24.7</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>100.9</td><td></td><td></td><td>$</td><td>59.8</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>160.7</td><td></td></tr></table>
|
table
|
24.7
|
monetaryItemType
|
table: <entity> 24.7 </entity> <entity type> monetaryItemType </entity type> <context> Energy and Capacity Purchase Contracts | 11.5 | 13.2 | — | — | 24.7 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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><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>Contractual Commitments - SWEPCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>89.4</td><td></td><td></td><td>$</td><td>46.6</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>136.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>11.5</td><td></td><td></td><td>13.2</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>24.7</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>100.9</td><td></td><td></td><td>$</td><td>59.8</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>160.7</td><td></td></tr></table>
|
table
|
100.9
|
monetaryItemType
|
table: <entity> 100.9 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 100.9 | $ | 59.8 | $ | — | $ | — | $ | 160.7 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligationDueWithinOneYear
|
<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><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>Contractual Commitments - SWEPCo</td><td></td><td>Less Than 1 Year</td><td></td><td>2-3 Years</td><td></td><td>4-5 Years</td><td></td><td>After 5 Years</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Fuel Purchase Contracts (a)</td><td></td><td>$</td><td>89.4</td><td></td><td></td><td>$</td><td>46.6</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>136.0</td><td></td></tr><tr><td>Energy and Capacity Purchase Contracts</td><td></td><td>11.5</td><td></td><td></td><td>13.2</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>24.7</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>100.9</td><td></td><td></td><td>$</td><td>59.8</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>—</td><td></td><td></td><td>$</td><td>160.7</td><td></td></tr></table>
|
table
|
160.7
|
monetaryItemType
|
table: <entity> 160.7 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 100.9 | $ | 59.8 | $ | — | $ | — | $ | 160.7 </context>
|
us-gaap:RecordedUnconditionalPurchaseObligation
|
<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></tr><tr><td>Company</td><td></td><td>Amount</td><td></td><td>Maturity</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>AEP</td><td></td><td>$</td><td>238.0</td><td></td><td></td><td>January 2025 to November 2025</td></tr><tr><td>AEP Texas</td><td></td><td>1.8</td><td></td><td></td><td>July 2025</td></tr></table>
|
table
|
238.0
|
monetaryItemType
|
table: <entity> 238.0 </entity> <entity type> monetaryItemType </entity type> <context> AEP | $ | 238.0 | January 2025 to November 2025 </context>
|
us-gaap:RegistrationPaymentArrangementMaximumPotentialConsideration
|
<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></tr><tr><td>Company</td><td></td><td>Amount</td><td></td><td>Maturity</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>AEP</td><td></td><td>$</td><td>238.0</td><td></td><td></td><td>January 2025 to November 2025</td></tr><tr><td>AEP Texas</td><td></td><td>1.8</td><td></td><td></td><td>July 2025</td></tr></table>
|
table
|
1.8
|
monetaryItemType
|
table: <entity> 1.8 </entity> <entity type> monetaryItemType </entity type> <context> AEP Texas | 1.8 | July 2025 </context>
|
us-gaap:RegistrationPaymentArrangementMaximumPotentialConsideration
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
312.2
|
monetaryItemType
|
table: <entity> 312.2 </entity> <entity type> monetaryItemType </entity type> <context> APCo | $ | 312.2 | $ | 75.6 | $ | 236.6 | $ | — </context>
|
us-gaap:AssetRetirementObligation
|
<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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
75.6
|
monetaryItemType
|
table: <entity> 75.6 </entity> <entity type> monetaryItemType </entity type> <context> APCo | $ | 312.2 | $ | 75.6 | $ | 236.6 | $ | — </context>
|
us-gaap:AssetRetirementObligation
|
<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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
236.6
|
monetaryItemType
|
table: <entity> 236.6 </entity> <entity type> monetaryItemType </entity type> <context> APCo | $ | 312.2 | $ | 75.6 | $ | 236.6 | $ | — </context>
|
us-gaap:AssetRetirementObligation
|
<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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
—
|
monetaryItemType
|
table: <entity> — </entity> <entity type> monetaryItemType </entity type> <context> APCo | $ | 312.2 | $ | 75.6 | $ | 236.6 | $ | — </context>
|
us-gaap:AssetRetirementObligation
|
<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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
85.7
|
monetaryItemType
|
table: <entity> 85.7 </entity> <entity type> monetaryItemType </entity type> <context> I&M | 85.7 | — | 72.3 | 13.4 </context>
|
us-gaap:AssetRetirementObligation
|
<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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
72.3
|
monetaryItemType
|
table: <entity> 72.3 </entity> <entity type> monetaryItemType </entity type> <context> I&M | 85.7 | — | 72.3 | 13.4 </context>
|
us-gaap:AssetRetirementObligation
|
<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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
13.4
|
monetaryItemType
|
table: <entity> 13.4 </entity> <entity type> monetaryItemType </entity type> <context> I&M | 85.7 | — | 72.3 | 13.4 </context>
|
us-gaap:AssetRetirementObligation
|
<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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
52.9
|
monetaryItemType
|
table: <entity> 52.9 </entity> <entity type> monetaryItemType </entity type> <context> OPCo | 52.9 | — | — | 52.9 </context>
|
us-gaap:AssetRetirementObligation
|
<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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
33.7
|
monetaryItemType
|
table: <entity> 33.7 </entity> <entity type> monetaryItemType </entity type> <context> PSO | 33.7 | 33.7 | — | — </context>
|
us-gaap:AssetRetirementObligation
|
<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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
23.8
|
monetaryItemType
|
table: <entity> 23.8 </entity> <entity type> monetaryItemType </entity type> <context> SWEPCo | 23.8 | 23.8 | — | — </context>
|
us-gaap:AssetRetirementObligation
|
<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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
166.1
|
monetaryItemType
|
table: <entity> 166.1 </entity> <entity type> monetaryItemType </entity type> <context> Non-Registrants | 166.1 | 43.8 | 46.1 | 76.2 </context>
|
us-gaap:AssetRetirementObligation
|
<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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
43.8
|
monetaryItemType
|
table: <entity> 43.8 </entity> <entity type> monetaryItemType </entity type> <context> Non-Registrants | 166.1 | 43.8 | 46.1 | 76.2 </context>
|
us-gaap:AssetRetirementObligation
|
<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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
46.1
|
monetaryItemType
|
table: <entity> 46.1 </entity> <entity type> monetaryItemType </entity type> <context> Non-Registrants | 166.1 | 43.8 | 46.1 | 76.2 </context>
|
us-gaap:AssetRetirementObligation
|
<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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
76.2
|
monetaryItemType
|
table: <entity> 76.2 </entity> <entity type> monetaryItemType </entity type> <context> Non-Registrants | 166.1 | 43.8 | 46.1 | 76.2 </context>
|
us-gaap:AssetRetirementObligation
|
<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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
674.4
|
monetaryItemType
|
table: <entity> 674.4 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 674.4 | $ | 176.9 | $ | 355.0 | $ | 142.5 </context>
|
us-gaap:AssetRetirementObligation
|
<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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Registrant</td><td></td><td>Increase in ARO</td><td></td><td>Increase in Generation Property (a)</td><td></td><td>Increase in Regulatory Assets (b)</td><td></td><td>Charged to Operating Expenses (c)</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>APCo</td><td></td><td>$</td><td>312.2</td><td></td><td></td><td>$</td><td>75.6</td><td></td><td></td><td>$</td><td>236.6</td><td></td><td></td><td>$</td><td>—</td><td></td></tr><tr><td>I&M</td><td></td><td>85.7</td><td></td><td></td><td>—</td><td></td><td></td><td>72.3</td><td></td><td></td><td>13.4</td><td></td></tr><tr><td>OPCo</td><td></td><td>52.9</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>52.9</td><td></td></tr><tr><td>PSO</td><td></td><td>33.7</td><td></td><td></td><td>33.7</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>SWEPCo</td><td></td><td>23.8</td><td></td><td></td><td>23.8</td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td></tr><tr><td>Non-Registrants</td><td></td><td>166.1</td><td></td><td></td><td>43.8</td><td></td><td></td><td>46.1</td><td></td><td></td><td>76.2</td><td></td></tr><tr><td>Total</td><td></td><td>$</td><td>674.4</td><td></td><td></td><td>$</td><td>176.9</td><td></td><td></td><td>$</td><td>355.0</td><td></td><td></td><td>$</td><td>142.5</td><td></td></tr></table>
|
table
|
176.9
|
monetaryItemType
|
table: <entity> 176.9 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 674.4 | $ | 176.9 | $ | 355.0 | $ | 142.5 </context>
|
us-gaap:AssetRetirementObligation
|
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.