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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>OPCo</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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</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></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>72.7</td><td></td><td></td><td>$</td><td>57.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>0.2</td><td></td><td></td><td>0.2</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>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>72.9</td><td></td><td></td><td>57.2</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>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>480.0</td><td></td><td></td><td>475.5</td><td></td><td></td><td>(a)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>367.6</td><td></td><td></td><td>408.2</td><td></td><td></td><td>(c)</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>4.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>851.6</td><td></td><td></td><td>883.7</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>Over-recovered Fuel Costs</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>22.8</td><td></td><td></td><td>23.2</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>8.3</td><td></td><td></td><td>13.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>63.2</td><td></td><td></td><td>62.7</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 Liabilities Approved for Payment</td><td></td><td>914.8</td><td></td><td></td><td>946.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities</td><td></td><td>$</td><td>987.7</td><td></td><td></td><td>$</td><td>1,003.6</td><td></td><td></td><td></td></tr></table>
|
table
|
13.4
|
monetaryItemType
|
table: <entity> 13.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 8.3 | 13.4 | 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>OPCo</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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</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></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>72.7</td><td></td><td></td><td>$</td><td>57.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>0.2</td><td></td><td></td><td>0.2</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>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>72.9</td><td></td><td></td><td>57.2</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>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>480.0</td><td></td><td></td><td>475.5</td><td></td><td></td><td>(a)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>367.6</td><td></td><td></td><td>408.2</td><td></td><td></td><td>(c)</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>4.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>851.6</td><td></td><td></td><td>883.7</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>Over-recovered Fuel Costs</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>22.8</td><td></td><td></td><td>23.2</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>8.3</td><td></td><td></td><td>13.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>63.2</td><td></td><td></td><td>62.7</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 Liabilities Approved for Payment</td><td></td><td>914.8</td><td></td><td></td><td>946.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities</td><td></td><td>$</td><td>987.7</td><td></td><td></td><td>$</td><td>1,003.6</td><td></td><td></td><td></td></tr></table>
|
table
|
63.2
|
monetaryItemType
|
table: <entity> 63.2 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Not Paying a Return | 63.2 | 62.7 </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>OPCo</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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</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></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>72.7</td><td></td><td></td><td>$</td><td>57.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>0.2</td><td></td><td></td><td>0.2</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>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>72.9</td><td></td><td></td><td>57.2</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>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>480.0</td><td></td><td></td><td>475.5</td><td></td><td></td><td>(a)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>367.6</td><td></td><td></td><td>408.2</td><td></td><td></td><td>(c)</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>4.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>851.6</td><td></td><td></td><td>883.7</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>Over-recovered Fuel Costs</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>22.8</td><td></td><td></td><td>23.2</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>8.3</td><td></td><td></td><td>13.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>63.2</td><td></td><td></td><td>62.7</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 Liabilities Approved for Payment</td><td></td><td>914.8</td><td></td><td></td><td>946.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities</td><td></td><td>$</td><td>987.7</td><td></td><td></td><td>$</td><td>1,003.6</td><td></td><td></td><td></td></tr></table>
|
table
|
62.7
|
monetaryItemType
|
table: <entity> 62.7 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Not Paying a Return | 63.2 | 62.7 </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>OPCo</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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</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></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>72.7</td><td></td><td></td><td>$</td><td>57.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>0.2</td><td></td><td></td><td>0.2</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>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>72.9</td><td></td><td></td><td>57.2</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>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>480.0</td><td></td><td></td><td>475.5</td><td></td><td></td><td>(a)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>367.6</td><td></td><td></td><td>408.2</td><td></td><td></td><td>(c)</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>4.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>851.6</td><td></td><td></td><td>883.7</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>Over-recovered Fuel Costs</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>22.8</td><td></td><td></td><td>23.2</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>8.3</td><td></td><td></td><td>13.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>63.2</td><td></td><td></td><td>62.7</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 Liabilities Approved for Payment</td><td></td><td>914.8</td><td></td><td></td><td>946.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities</td><td></td><td>$</td><td>987.7</td><td></td><td></td><td>$</td><td>1,003.6</td><td></td><td></td><td></td></tr></table>
|
table
|
914.8
|
monetaryItemType
|
table: <entity> 914.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Approved for Payment | 914.8 | 946.4 </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>OPCo</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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</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></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>72.7</td><td></td><td></td><td>$</td><td>57.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>0.2</td><td></td><td></td><td>0.2</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>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>72.9</td><td></td><td></td><td>57.2</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>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>480.0</td><td></td><td></td><td>475.5</td><td></td><td></td><td>(a)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>367.6</td><td></td><td></td><td>408.2</td><td></td><td></td><td>(c)</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>4.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>851.6</td><td></td><td></td><td>883.7</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>Over-recovered Fuel Costs</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>22.8</td><td></td><td></td><td>23.2</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>8.3</td><td></td><td></td><td>13.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>63.2</td><td></td><td></td><td>62.7</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 Liabilities Approved for Payment</td><td></td><td>914.8</td><td></td><td></td><td>946.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities</td><td></td><td>$</td><td>987.7</td><td></td><td></td><td>$</td><td>1,003.6</td><td></td><td></td><td></td></tr></table>
|
table
|
946.4
|
monetaryItemType
|
table: <entity> 946.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Approved for Payment | 914.8 | 946.4 </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>OPCo</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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</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></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>72.7</td><td></td><td></td><td>$</td><td>57.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>0.2</td><td></td><td></td><td>0.2</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>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>72.9</td><td></td><td></td><td>57.2</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>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>480.0</td><td></td><td></td><td>475.5</td><td></td><td></td><td>(a)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>367.6</td><td></td><td></td><td>408.2</td><td></td><td></td><td>(c)</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>4.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>851.6</td><td></td><td></td><td>883.7</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>Over-recovered Fuel Costs</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>22.8</td><td></td><td></td><td>23.2</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>8.3</td><td></td><td></td><td>13.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>63.2</td><td></td><td></td><td>62.7</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 Liabilities Approved for Payment</td><td></td><td>914.8</td><td></td><td></td><td>946.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities</td><td></td><td>$</td><td>987.7</td><td></td><td></td><td>$</td><td>1,003.6</td><td></td><td></td><td></td></tr></table>
|
table
|
987.7
|
monetaryItemType
|
table: <entity> 987.7 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Liabilities | $ | 987.7 | $ | 1,003.6 </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>OPCo</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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</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></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>72.7</td><td></td><td></td><td>$</td><td>57.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>0.2</td><td></td><td></td><td>0.2</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>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>72.9</td><td></td><td></td><td>57.2</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>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>480.0</td><td></td><td></td><td>475.5</td><td></td><td></td><td>(a)</td></tr><tr><td>Income Taxes, Net (b)</td><td></td><td>367.6</td><td></td><td></td><td>408.2</td><td></td><td></td><td>(c)</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>4.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>851.6</td><td></td><td></td><td>883.7</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>Over-recovered Fuel Costs</td><td></td><td>32.1</td><td></td><td></td><td>26.1</td><td></td><td></td><td>8 years</td></tr><tr><td>Peak Demand Reduction/Energy Efficiency</td><td></td><td>22.8</td><td></td><td></td><td>23.2</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Liabilities Approved for Payment</td><td></td><td>8.3</td><td></td><td></td><td>13.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>63.2</td><td></td><td></td><td>62.7</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 Liabilities Approved for Payment</td><td></td><td>914.8</td><td></td><td></td><td>946.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities</td><td></td><td>$</td><td>987.7</td><td></td><td></td><td>$</td><td>1,003.6</td><td></td><td></td><td></td></tr></table>
|
table
|
1003.6
|
monetaryItemType
|
table: <entity> 1003.6 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Liabilities | $ | 987.7 | $ | 1,003.6 </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
64.7
|
monetaryItemType
|
table: <entity> 64.7 </entity> <entity type> monetaryItemType </entity type> <context> Under-recovered Fuel Costs - earns a return | $ | 64.7 | $ | 118.3 | 1 year </context>
|
us-gaap:RegulatoryAssetsCurrent
|
<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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
118.3
|
monetaryItemType
|
table: <entity> 118.3 </entity> <entity type> monetaryItemType </entity type> <context> Under-recovered Fuel Costs - earns a return | $ | 64.7 | $ | 118.3 | 1 year </context>
|
us-gaap:RegulatoryAssetsCurrent
|
<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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
16.4
|
monetaryItemType
|
table: <entity> 16.4 </entity> <entity type> monetaryItemType </entity type> <context> NOLC - Costs (a) | $ | 16.4 | $ | — </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
—
|
monetaryItemType
|
table: <entity> — </entity> <entity type> monetaryItemType </entity type> <context> NOLC - Costs (a) | $ | 16.4 | $ | — </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
4.9
|
monetaryItemType
|
table: <entity> 4.9 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 4.9 | 88.5 </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
88.5
|
monetaryItemType
|
table: <entity> 88.5 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 4.9 | 88.5 </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
9.0
|
monetaryItemType
|
table: <entity> 9.0 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Pending Final Regulatory Approval | 9.0 | 0.2 </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
0.2
|
monetaryItemType
|
table: <entity> 0.2 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Pending Final Regulatory Approval | 9.0 | 0.2 </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
30.3
|
monetaryItemType
|
table: <entity> 30.3 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Pending Final Regulatory Approval | 30.3 | 88.7 </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
88.7
|
monetaryItemType
|
table: <entity> 88.7 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Pending Final Regulatory Approval | 30.3 | 88.7 </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
274.0
|
monetaryItemType
|
table: <entity> 274.0 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant (b) | 274.0 | 254.1 | 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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
254.1
|
monetaryItemType
|
table: <entity> 254.1 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant (b) | 274.0 | 254.1 | 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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
106.7
|
monetaryItemType
|
table: <entity> 106.7 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 106.7 | 26.2 | 7 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
26.2
|
monetaryItemType
|
table: <entity> 26.2 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 106.7 | 26.2 | 7 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
21.2
|
monetaryItemType
|
table: <entity> 21.2 </entity> <entity type> monetaryItemType </entity type> <context> Environmental Control Projects | 21.2 | 22.5 | 16 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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
22.5
|
monetaryItemType
|
table: <entity> 22.5 </entity> <entity type> monetaryItemType </entity type> <context> Environmental Control Projects | 21.2 | 22.5 | 16 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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
10.1
|
monetaryItemType
|
table: <entity> 10.1 </entity> <entity type> monetaryItemType </entity type> <context> Meter Replacement Costs | 10.1 | 14.1 | 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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
14.1
|
monetaryItemType
|
table: <entity> 14.1 </entity> <entity type> monetaryItemType </entity type> <context> Meter Replacement Costs | 10.1 | 14.1 | 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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
13.4
|
monetaryItemType
|
table: <entity> 13.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 13.4 | 8.4 | 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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
8.4
|
monetaryItemType
|
table: <entity> 8.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 13.4 | 8.4 | 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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
425.4
|
monetaryItemType
|
table: <entity> 425.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Earning a Return | 425.4 | 325.3 </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
325.3
|
monetaryItemType
|
table: <entity> 325.3 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Earning a Return | 425.4 | 325.3 </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
57.6
|
monetaryItemType
|
table: <entity> 57.6 </entity> <entity type> monetaryItemType </entity type> <context> Pension and OPEB Funded Status | 57.6 | 62.6 | 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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
62.6
|
monetaryItemType
|
table: <entity> 62.6 </entity> <entity type> monetaryItemType </entity type> <context> Pension and OPEB Funded Status | 57.6 | 62.6 | 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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
3.9
|
monetaryItemType
|
table: <entity> 3.9 </entity> <entity type> monetaryItemType </entity type> <context> Unrealized Loss on Forward Commitments | 3.9 | 29.9 | 2 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
29.9
|
monetaryItemType
|
table: <entity> 29.9 </entity> <entity type> monetaryItemType </entity type> <context> Unrealized Loss on Forward Commitments | 3.9 | 29.9 | 2 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
10.6
|
monetaryItemType
|
table: <entity> 10.6 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 10.6 | 16.2 | 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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
16.2
|
monetaryItemType
|
table: <entity> 16.2 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 10.6 | 16.2 | 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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
72.1
|
monetaryItemType
|
table: <entity> 72.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 72.1 | 108.7 </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
108.7
|
monetaryItemType
|
table: <entity> 108.7 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 72.1 | 108.7 </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
497.5
|
monetaryItemType
|
table: <entity> 497.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Approved for Recovery | 497.5 | 434.0 </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
434.0
|
monetaryItemType
|
table: <entity> 434.0 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Approved for Recovery | 497.5 | 434.0 </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
527.8
|
monetaryItemType
|
table: <entity> 527.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Assets | $ | 527.8 | $ | 522.7 </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>PSO</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>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>64.7</td><td></td><td></td><td>$</td><td>118.3</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 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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></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 Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (a)</td><td></td><td>$</td><td>16.4</td><td></td><td></td><td>$</td><td>—</td><td></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</td><td></td><td>4.9</td><td></td><td></td><td>88.5</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>9.0</td><td></td><td></td><td>0.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>30.3</td><td></td><td></td><td>88.7</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (b)</td><td></td><td>274.0</td><td></td><td></td><td>254.1</td><td></td><td></td><td>22 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>26.2</td><td></td><td></td><td>7 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>21.2</td><td></td><td></td><td>22.5</td><td></td><td></td><td>16 years</td></tr><tr><td>Meter Replacement Costs</td><td></td><td>10.1</td><td></td><td></td><td>14.1</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><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>13.4</td><td></td><td></td><td>8.4</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>425.4</td><td></td><td></td><td>325.3</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></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>57.6</td><td></td><td></td><td>62.6</td><td></td><td></td><td>12 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>3.9</td><td></td><td></td><td>29.9</td><td></td><td></td><td>2 years</td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>10.6</td><td></td><td></td><td>16.2</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>72.1</td><td></td><td></td><td>108.7</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 Approved for Recovery</td><td></td><td>497.5</td><td></td><td></td><td>434.0</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>$</td><td>527.8</td><td></td><td></td><td>$</td><td>522.7</td><td></td><td></td><td></td></tr></table>
|
table
|
522.7
|
monetaryItemType
|
table: <entity> 522.7 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Assets | $ | 527.8 | $ | 522.7 </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>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
1.6
|
monetaryItemType
|
table: <entity> 1.6 </entity> <entity type> monetaryItemType </entity type> <context> FERC 2021 Transmission Formula Rate Challenge Refunds | $ | 1.6 | $ | 1.2 </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>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
1.2
|
monetaryItemType
|
table: <entity> 1.2 </entity> <entity type> monetaryItemType </entity type> <context> FERC 2021 Transmission Formula Rate Challenge Refunds | $ | 1.6 | $ | 1.2 </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>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
323.6
|
monetaryItemType
|
table: <entity> 323.6 </entity> <entity type> monetaryItemType </entity type> <context> Asset Removal Costs | 323.6 | 317.5 | (b) </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
317.5
|
monetaryItemType
|
table: <entity> 317.5 </entity> <entity type> monetaryItemType </entity type> <context> Asset Removal Costs | 323.6 | 317.5 | (b) </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
318.0
|
monetaryItemType
|
table: <entity> 318.0 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (a) | 318.0 | 395.7 | (c) </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
395.7
|
monetaryItemType
|
table: <entity> 395.7 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (a) | 318.0 | 395.7 | (c) </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
641.6
|
monetaryItemType
|
table: <entity> 641.6 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Paying a Return | 641.6 | 713.2 </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>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
713.2
|
monetaryItemType
|
table: <entity> 713.2 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Paying a Return | 641.6 | 713.2 </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>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
46.2
|
monetaryItemType
|
table: <entity> 46.2 </entity> <entity type> monetaryItemType </entity type> <context> Deferred Investment Tax Credits | 46.2 | 47.2 | 12 years </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
47.2
|
monetaryItemType
|
table: <entity> 47.2 </entity> <entity type> monetaryItemType </entity type> <context> Deferred Investment Tax Credits | 46.2 | 47.2 | 12 years </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
0.3
|
monetaryItemType
|
table: <entity> 0.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 0.3 | 4.0 | various </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
4.0
|
monetaryItemType
|
table: <entity> 4.0 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 0.3 | 4.0 | various </context>
|
us-gaap:RegulatoryLiabilityNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
46.5
|
monetaryItemType
|
table: <entity> 46.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Not Paying a Return | 46.5 | 51.2 </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>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
51.2
|
monetaryItemType
|
table: <entity> 51.2 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Not Paying a Return | 46.5 | 51.2 </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>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
688.1
|
monetaryItemType
|
table: <entity> 688.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Approved for Payment | 688.1 | 764.4 </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>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
764.4
|
monetaryItemType
|
table: <entity> 764.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Approved for Payment | 688.1 | 764.4 </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>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
|
table
|
689.7
|
monetaryItemType
|
table: <entity> 689.7 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits | $ | 689.7 | $ | 765.6 </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>PSO</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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><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 Not Paying a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>FERC 2021 Transmission Formula Rate Challenge Refunds</td><td></td><td>$</td><td>1.6</td><td></td><td></td><td>$</td><td>1.2</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Pending Final Regulatory Determination</td><td></td><td>1.6</td><td></td><td></td><td>1.2</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>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>323.6</td><td></td><td></td><td>317.5</td><td></td><td></td><td>(b)</td></tr><tr><td>Income Taxes, Net (a)</td><td></td><td>318.0</td><td></td><td></td><td>395.7</td><td></td><td></td><td>(c)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Currently Paying a Return</td><td></td><td>641.6</td><td></td><td></td><td>713.2</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>Deferred Investment Tax Credits</td><td></td><td>46.2</td><td></td><td></td><td>47.2</td><td></td><td></td><td>12 years</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>0.3</td><td></td><td></td><td>4.0</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Liabilities Currently Not Paying a Return</td><td></td><td>46.5</td><td></td><td></td><td>51.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Liabilities Approved for Payment</td><td></td><td>688.1</td><td></td><td></td><td>764.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits</td><td></td><td>$</td><td>689.7</td><td></td><td></td><td>$</td><td>765.6</td><td></td><td></td><td></td></tr></table>
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table
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765.6
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monetaryItemType
|
table: <entity> 765.6 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits Total Noncurrent Regulatory Liabilities and Deferred Investment Tax Credits | $ | 689.7 | $ | 765.6 </context>
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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 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>
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table
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84.2
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monetaryItemType
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table: <entity> 84.2 </entity> <entity type> monetaryItemType </entity type> <context> Unrecovered Winter Storm Fuel Costs - earns a return (a) | $ | 84.2 | $ | 93.9 | 1 year </context>
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us-gaap:RegulatoryAssetsCurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>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
|
93.9
|
monetaryItemType
|
table: <entity> 93.9 </entity> <entity type> monetaryItemType </entity type> <context> Unrecovered Winter Storm Fuel Costs - earns a return (a) | $ | 84.2 | $ | 93.9 | 1 year </context>
|
us-gaap:RegulatoryAssetsCurrent
|
<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
|
22.4
|
monetaryItemType
|
table: <entity> 22.4 </entity> <entity type> monetaryItemType </entity type> <context> Under-recovered Fuel Costs - earns a return (b) | 22.4 | 76.9 | 1 year </context>
|
us-gaap:RegulatoryAssetsCurrent
|
<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
|
76.9
|
monetaryItemType
|
table: <entity> 76.9 </entity> <entity type> monetaryItemType </entity type> <context> Under-recovered Fuel Costs - earns a return (b) | 22.4 | 76.9 | 1 year </context>
|
us-gaap:RegulatoryAssetsCurrent
|
<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
|
106.6
|
monetaryItemType
|
table: <entity> 106.6 </entity> <entity type> monetaryItemType </entity type> <context> Total Current Regulatory Assets | $ | 106.6 | $ | 170.8 </context>
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us-gaap:RegulatoryAssetsCurrent
|
<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
|
170.8
|
monetaryItemType
|
table: <entity> 170.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Current Regulatory Assets | $ | 106.6 | $ | 170.8 </context>
|
us-gaap:RegulatoryAssetsCurrent
|
<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
|
168.6
|
monetaryItemType
|
table: <entity> 168.6 </entity> <entity type> monetaryItemType </entity type> <context> Welsh Plant, Units 1 and 3 Accelerated Depreciation | $ | 168.6 | $ | 125.6 </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
|
125.6
|
monetaryItemType
|
table: <entity> 125.6 </entity> <entity type> monetaryItemType </entity type> <context> Welsh Plant, Units 1 and 3 Accelerated Depreciation | $ | 168.6 | $ | 125.6 </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
|
121.3
|
monetaryItemType
|
table: <entity> 121.3 </entity> <entity type> monetaryItemType </entity type> <context> Pirkey Plant Accelerated Depreciation | 121.3 | 114.4 </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
|
114.4
|
monetaryItemType
|
table: <entity> 114.4 </entity> <entity type> monetaryItemType </entity type> <context> Pirkey Plant Accelerated Depreciation | 121.3 | 114.4 </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
|
33.5
|
monetaryItemType
|
table: <entity> 33.5 </entity> <entity type> monetaryItemType </entity type> <context> Unrecovered Winter Storm Fuel Costs (a) | 33.5 | 60.1 </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
|
60.1
|
monetaryItemType
|
table: <entity> 60.1 </entity> <entity type> monetaryItemType </entity type> <context> Unrecovered Winter Storm Fuel Costs (a) | 33.5 | 60.1 </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
|
11.8
|
monetaryItemType
|
table: <entity> 11.8 </entity> <entity type> monetaryItemType </entity type> <context> Dolet Hills Power Station Accelerated Depreciation (c) | 11.8 | 12.0 </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
|
12.0
|
monetaryItemType
|
table: <entity> 12.0 </entity> <entity type> monetaryItemType </entity type> <context> Dolet Hills Power Station Accelerated Depreciation (c) | 11.8 | 12.0 </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
|
10.8
|
monetaryItemType
|
table: <entity> 10.8 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Pending Final Regulatory Approval | 10.8 | 26.0 </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
|
26.0
|
monetaryItemType
|
table: <entity> 26.0 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Pending Final Regulatory Approval | 10.8 | 26.0 </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
|
346.0
|
monetaryItemType
|
table: <entity> 346.0 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Earning a Return | 346.0 | 338.1 </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
|
338.1
|
monetaryItemType
|
table: <entity> 338.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Earning a Return | 346.0 | 338.1 </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
|
49.6
|
monetaryItemType
|
table: <entity> 49.6 </entity> <entity type> monetaryItemType </entity type> <context> NOLC - Costs (d) | 49.6 | — </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
|
—
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monetaryItemType
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table: <entity> — </entity> <entity type> monetaryItemType </entity type> <context> NOLC - Costs (d) | 49.6 | — </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>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
|
39.9
|
monetaryItemType
|
table: <entity> 39.9 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs - Louisiana, Texas | 39.9 | 56.0 </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>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
|
56.0
|
monetaryItemType
|
table: <entity> 56.0 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs - Louisiana, Texas | 39.9 | 56.0 </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
|
18.7
|
monetaryItemType
|
table: <entity> 18.7 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Pending Final Regulatory Approval | 18.7 | 13.7 </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
|
13.7
|
monetaryItemType
|
table: <entity> 13.7 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Pending Final Regulatory Approval | 18.7 | 13.7 </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
|
108.2
|
monetaryItemType
|
table: <entity> 108.2 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 108.2 | 69.7 </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
|
69.7
|
monetaryItemType
|
table: <entity> 69.7 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 108.2 | 69.7 </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
|
454.2
|
monetaryItemType
|
table: <entity> 454.2 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Pending Final Regulatory Approval | 454.2 | 407.8 </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
|
407.8
|
monetaryItemType
|
table: <entity> 407.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Pending Final Regulatory Approval | 454.2 | 407.8 </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
|
70.6
|
monetaryItemType
|
table: <entity> 70.6 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Mine Closure Costs - Texas | 70.6 | 74.3 | 11 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
|
74.3
|
monetaryItemType
|
table: <entity> 74.3 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Mine Closure Costs - Texas | 70.6 | 74.3 | 11 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
|
66.4
|
monetaryItemType
|
table: <entity> 66.4 </entity> <entity type> monetaryItemType </entity type> <context> Pirkey Plant Accelerated Depreciation - Louisiana | 66.4 | 65.8 | 8 years </context>
|
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
|
65.8
|
monetaryItemType
|
table: <entity> 65.8 </entity> <entity type> monetaryItemType </entity type> <context> Pirkey Plant Accelerated Depreciation - Louisiana | 66.4 | 65.8 | 8 years </context>
|
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
|
62.8
|
monetaryItemType
|
table: <entity> 62.8 </entity> <entity type> monetaryItemType </entity type> <context> Unrecovered Winter Storm Fuel Costs (b) | 62.8 | 99.3 | 3 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>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
|
99.3
|
monetaryItemType
|
table: <entity> 99.3 </entity> <entity type> monetaryItemType </entity type> <context> Unrecovered Winter Storm Fuel Costs (b) | 62.8 | 99.3 | 3 years </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>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
|
40.2
|
monetaryItemType
|
table: <entity> 40.2 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant, Arkansas | 40.2 | 44.4 | 18 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
|
44.4
|
monetaryItemType
|
table: <entity> 44.4 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant, Arkansas | 40.2 | 44.4 | 18 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
|
21.7
|
monetaryItemType
|
table: <entity> 21.7 </entity> <entity type> monetaryItemType </entity type> <context> Dolet Hills Power Station Fuel Costs - Louisiana | 21.7 | — | 3 years </context>
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us-gaap:RegulatoryAssetsNoncurrent
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>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
|
19.0
|
monetaryItemType
|
table: <entity> 19.0 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station - Louisiana | 19.0 | 40.8 | 8 years </context>
|
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
|
40.8
|
monetaryItemType
|
table: <entity> 40.8 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station - Louisiana | 19.0 | 40.8 | 8 years </context>
|
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
|
144.7
|
monetaryItemType
|
table: <entity> 144.7 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs - Louisiana (e) | — | 144.7 </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
|
12.6
|
monetaryItemType
|
table: <entity> 12.6 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 12.6 | 13.8 | various </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
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