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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><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
16.0
|
monetaryItemType
|
table: <entity> 16.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
53.8
|
monetaryItemType
|
table: <entity> 53.8 </entity> <entity type> monetaryItemType </entity type> <context> Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit | 72.2 | ( 2.4 ) | ( 16.0 ) | — | 53.8 </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
15.0
|
monetaryItemType
|
table: <entity> 15.0 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax (Expense) Benefit Income Tax (Expense) Benefit | 15.0 | ( 0.4 ) | ( 3.4 ) | — | 11.2 </context>
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us-gaap:ReclassificationFromAociCurrentPeriodTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
0.4
|
monetaryItemType
|
table: <entity> 0.4 </entity> <entity type> monetaryItemType </entity type> <context> Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss) | ( 118.6 ) | ( 8.4 ) | ( 12.6 ) | 0.4 | ( 139.2 ) </context>
|
us-gaap:ReclassificationFromAociCurrentPeriodTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
3.4
|
monetaryItemType
|
table: <entity> 3.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAociCurrentPeriodTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
11.2
|
monetaryItemType
|
table: <entity> 11.2 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax (Expense) Benefit Income Tax (Expense) Benefit | 15.0 | ( 0.4 ) | ( 3.4 ) | — | 11.2 </context>
|
us-gaap:ReclassificationFromAociCurrentPeriodTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
57.2
|
monetaryItemType
|
table: <entity> 57.2 </entity> <entity type> monetaryItemType </entity type> <context> Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit | 57.2 | ( 2.0 ) | ( 12.6 ) | — | 42.6 </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
2.0
|
monetaryItemType
|
table: <entity> 2.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
12.6
|
monetaryItemType
|
table: <entity> 12.6 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
42.6
|
monetaryItemType
|
table: <entity> 42.6 </entity> <entity type> monetaryItemType </entity type> <context> Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit | 57.2 | ( 2.0 ) | ( 12.6 ) | — | 42.6 </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
118.6
|
monetaryItemType
|
table: <entity> 118.6 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
8.4
|
monetaryItemType
|
table: <entity> 8.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
12.6
|
monetaryItemType
|
table: <entity> 12.6 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
0.4
|
monetaryItemType
|
table: <entity> 0.4 </entity> <entity type> monetaryItemType </entity type> <context> Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss) | ( 118.6 ) | ( 8.4 ) | ( 12.6 ) | 0.4 | ( 139.2 ) </context>
|
us-gaap:OtherComprehensiveIncomeLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
139.2
|
monetaryItemType
|
table: <entity> 139.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
104.9
|
monetaryItemType
|
table: <entity> 104.9 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2023 | $ | 104.9 | $ | ( 8.1 ) | $ | 92.6 | $ | ( 244.9 ) | $ | ( 55.5 ) </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
8.1
|
monetaryItemType
|
table: <entity> 8.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
92.6
|
monetaryItemType
|
table: <entity> 92.6 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2023 | $ | 104.9 | $ | ( 8.1 ) | $ | 92.6 | $ | ( 244.9 ) | $ | ( 55.5 ) </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
244.9
|
monetaryItemType
|
table: <entity> 244.9 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2023</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>( 175.8 )</td><td></td><td></td><td>( 6.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.3 )</td><td></td><td></td><td>( 198.5 )</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></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></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>72.2</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>72.2</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 2.4 )</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.2 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>5.2</td><td></td><td></td><td>—</td><td></td><td></td><td>5.2</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>72.2</td><td></td><td></td><td>( 2.4 )</td><td></td><td></td><td></td><td></td><td>( 16.0 )</td><td></td><td></td><td>—</td><td></td><td></td><td>53.8</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>15.0</td><td></td><td></td><td>( 0.4 )</td><td></td><td></td><td></td><td></td><td>( 3.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>11.2</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>57.2</td><td></td><td></td><td>( 2.0 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td>42.6</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>21.1</td><td></td><td></td><td>21.1</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>4.4</td><td></td><td></td><td>4.4</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>16.7</td><td></td><td></td><td>16.7</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>( 118.6 )</td><td></td><td></td><td>( 8.4 )</td><td></td><td></td><td></td><td></td><td>( 12.6 )</td><td></td><td></td><td>0.4</td><td></td><td></td><td>( 139.2 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2023</td><td></td><td>$</td><td>104.9</td><td></td><td></td><td>$</td><td>( 8.1 )</td><td></td><td></td><td></td><td></td><td>$</td><td>92.6</td><td></td><td></td><td>$</td><td>( 244.9 )</td><td></td><td></td><td>$</td><td>( 55.5 )</td><td></td></tr></table>
|
table
|
55.5
|
monetaryItemType
|
table: <entity> 55.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
163.7
|
monetaryItemType
|
table: <entity> 163.7 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2021 | $ | 163.7 | $ | ( 21.3 ) | $ | 115.6 | $ | ( 73.2 ) | $ | 184.8 </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
21.3
|
monetaryItemType
|
table: <entity> 21.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
115.6
|
monetaryItemType
|
table: <entity> 115.6 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2021 | $ | 163.7 | $ | ( 21.3 ) | $ | 115.6 | $ | ( 73.2 ) | $ | 184.8 </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
73.2
|
monetaryItemType
|
table: <entity> 73.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
184.8
|
monetaryItemType
|
table: <entity> 184.8 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2021 | $ | 163.7 | $ | ( 21.3 ) | $ | 115.6 | $ | ( 73.2 ) | $ | 184.8 </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
477.3
|
monetaryItemType
|
table: <entity> 477.3 </entity> <entity type> monetaryItemType </entity type> <context> Change in Fair Value Recognized in AOCI, Net of Tax | 477.3 | 18.4 | — | ( 155.4 ) | 340.3 </context>
|
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
18.4
|
monetaryItemType
|
table: <entity> 18.4 </entity> <entity type> monetaryItemType </entity type> <context> Change in Fair Value Recognized in AOCI, Net of Tax | 477.3 | 18.4 | — | ( 155.4 ) | 340.3 </context>
|
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
—
|
monetaryItemType
|
table: <entity> — </entity> <entity type> monetaryItemType </entity type> <context> Change in Fair Value Recognized in AOCI, Net of Tax | 477.3 | 18.4 | — | ( 155.4 ) | 340.3 </context>
|
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
155.4
|
monetaryItemType
|
table: <entity> 155.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
340.3
|
monetaryItemType
|
table: <entity> 340.3 </entity> <entity type> monetaryItemType </entity type> <context> Change in Fair Value Recognized in AOCI, Net of Tax | 477.3 | 18.4 | — | ( 155.4 ) | 340.3 </context>
|
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
0.1
|
monetaryItemType
|
table: <entity> 0.1 </entity> <entity type> monetaryItemType </entity type> <context> Generation & Marketing Revenues (a) | 0.1 | — | — | — | 0.1 </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
528.6
|
monetaryItemType
|
table: <entity> 528.6 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
4.0
|
monetaryItemType
|
table: <entity> 4.0 </entity> <entity type> monetaryItemType </entity type> <context> Interest Expense (a) Interest Expense (a) | — | 4.0 | — | — | 4.0 </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
21.8
|
monetaryItemType
|
table: <entity> 21.8 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
8.6
|
monetaryItemType
|
table: <entity> 8.6 </entity> <entity type> monetaryItemType </entity type> <context> Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses | — | — | 8.6 | — | 8.6 </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
528.5
|
monetaryItemType
|
table: <entity> 528.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
13.2
|
monetaryItemType
|
table: <entity> 13.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
537.7
|
monetaryItemType
|
table: <entity> 537.7 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
111.0
|
monetaryItemType
|
table: <entity> 111.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAociCurrentPeriodTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
0.8
|
monetaryItemType
|
table: <entity> 0.8 </entity> <entity type> monetaryItemType </entity type> <context> Income Tax (Expense) Benefit Income Tax (Expense) Benefit | ( 111.0 ) | 0.8 | ( 2.8 ) | — | ( 113.0 ) </context>
|
us-gaap:ReclassificationFromAociCurrentPeriodTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
2.8
|
monetaryItemType
|
table: <entity> 2.8 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAociCurrentPeriodTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
113.0
|
monetaryItemType
|
table: <entity> 113.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAociCurrentPeriodTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
417.5
|
monetaryItemType
|
table: <entity> 417.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
3.2
|
monetaryItemType
|
table: <entity> 3.2 </entity> <entity type> monetaryItemType </entity type> <context> Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit | ( 417.5 ) | 3.2 | ( 10.4 ) | — | ( 424.7 ) </context>
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us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
10.4
|
monetaryItemType
|
table: <entity> 10.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
424.7
|
monetaryItemType
|
table: <entity> 424.7 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
59.8
|
monetaryItemType
|
table: <entity> 59.8 </entity> <entity type> monetaryItemType </entity type> <context> Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss) | 59.8 | 21.6 | ( 10.4 ) | ( 172.1 ) | ( 101.1 ) </context>
|
us-gaap:OtherComprehensiveIncomeLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
21.6
|
monetaryItemType
|
table: <entity> 21.6 </entity> <entity type> monetaryItemType </entity type> <context> Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss) | 59.8 | 21.6 | ( 10.4 ) | ( 172.1 ) | ( 101.1 ) </context>
|
us-gaap:OtherComprehensiveIncomeLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
10.4
|
monetaryItemType
|
table: <entity> 10.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
172.1
|
monetaryItemType
|
table: <entity> 172.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
101.1
|
monetaryItemType
|
table: <entity> 101.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:OtherComprehensiveIncomeLossNetOfTax
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
223.5
|
monetaryItemType
|
table: <entity> 223.5 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2022 | $ | 223.5 | $ | 0.3 | $ | 105.2 | $ | ( 245.3 ) | $ | 83.7 </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
0.3
|
monetaryItemType
|
table: <entity> 0.3 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2022 | $ | 223.5 | $ | 0.3 | $ | 105.2 | $ | ( 245.3 ) | $ | 83.7 </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
105.2
|
monetaryItemType
|
table: <entity> 105.2 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2022 | $ | 223.5 | $ | 0.3 | $ | 105.2 | $ | ( 245.3 ) | $ | 83.7 </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
245.3
|
monetaryItemType
|
table: <entity> 245.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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>Cash Flow Hedges</td><td></td><td></td><td></td><td>Pension and OPEB</td><td></td><td></td></tr><tr><td>For the Year Ended December 31, 2022</td><td></td><td>Commodity</td><td></td><td>Interest Rate</td><td></td><td></td><td></td><td>Amortization of Deferred Costs</td><td></td><td>Changes in Funded Status</td><td></td><td>Total</td></tr><tr><td></td><td></td><td>(in millions)</td></tr><tr><td>Balance in AOCI as of December 31, 2021</td><td></td><td>$</td><td>163.7</td><td></td><td></td><td>$</td><td>( 21.3 )</td><td></td><td></td><td></td><td></td><td>$</td><td>115.6</td><td></td><td></td><td>$</td><td>( 73.2 )</td><td></td><td></td><td>$</td><td>184.8</td><td></td></tr><tr><td>Change in Fair Value Recognized in AOCI, Net of Tax</td><td></td><td>477.3</td><td></td><td></td><td>18.4</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 155.4 )</td><td></td><td></td><td>340.3</td><td></td></tr><tr><td>Amount of (Gain) Loss Reclassified from AOCI Amount of (Gain) Loss Reclassified from AOCI</td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Generation & Marketing Revenues (a)</td><td></td><td>0.1</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>0.1</td><td></td></tr><tr><td>Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)</td><td></td><td>( 528.6 )</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>( 528.6 )</td><td></td></tr><tr><td>Interest Expense (a) Interest Expense (a)</td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td>4.0</td><td></td></tr><tr><td>Amortization of Prior Service Cost (Credit) Amortization of Prior Service Cost (Credit)</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>( 21.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.8 )</td><td></td></tr><tr><td>Amortization of Actuarial (Gains) Losses Amortization of Actuarial (Gains) Losses</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>8.6</td><td></td><td></td><td>—</td><td></td><td></td><td>8.6</td><td></td></tr><tr><td>Reclassifications from AOCI, before Income Tax (Expense) Benefit Reclassifications from AOCI, before Income Tax (Expense) Benefit</td><td></td><td>( 528.5 )</td><td></td><td></td><td>4.0</td><td></td><td></td><td></td><td></td><td>( 13.2 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 537.7 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit Income Tax (Expense) Benefit</td><td></td><td>( 111.0 )</td><td></td><td></td><td>0.8</td><td></td><td></td><td></td><td></td><td>( 2.8 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 113.0 )</td><td></td></tr><tr><td>Reclassifications from AOCI, Net of Income Tax (Expense) Benefit Reclassifications from AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>( 417.5 )</td><td></td><td></td><td>3.2</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>—</td><td></td><td></td><td>( 424.7 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, before Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 21.1 )</td><td></td><td></td><td>( 21.1 )</td><td></td></tr><tr><td>Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 4.4 )</td><td></td><td></td><td>( 4.4 )</td><td></td></tr><tr><td>Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit</td><td></td><td>—</td><td></td><td></td><td>—</td><td></td><td></td><td></td><td></td><td>—</td><td></td><td></td><td>( 16.7 )</td><td></td><td></td><td>( 16.7 )</td><td></td></tr><tr><td>Net Current Period Other Comprehensive Income (Loss) Net Current Period Other Comprehensive Income (Loss)</td><td></td><td>59.8</td><td></td><td></td><td>21.6</td><td></td><td></td><td></td><td></td><td>( 10.4 )</td><td></td><td></td><td>( 172.1 )</td><td></td><td></td><td>( 101.1 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Balance in AOCI as of December 31, 2022</td><td></td><td>$</td><td>223.5</td><td></td><td></td><td>$</td><td>0.3</td><td></td><td></td><td></td><td></td><td>$</td><td>105.2</td><td></td><td></td><td>$</td><td>( 245.3 )</td><td></td><td></td><td>$</td><td>83.7</td><td></td></tr></table>
|
table
|
83.7
|
monetaryItemType
|
table: <entity> 83.7 </entity> <entity type> monetaryItemType </entity type> <context> Balance in AOCI as of December 31, 2022 | $ | 223.5 | $ | 0.3 | $ | 105.2 | $ | ( 245.3 ) | $ | 83.7 </context>
|
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></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></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Approved</td><td></td><td>Approved</td></tr><tr><td>Jurisdiction</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Recovery Period</td><td></td><td>Carrying Charge</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td><td></td><td></td></tr><tr><td>Arkansas</td><td></td><td>$</td><td>37.2</td><td></td><td></td><td>$</td><td>54.2</td><td></td><td></td><td>6 years</td><td></td><td>(a)</td></tr><tr><td>Louisiana</td><td></td><td>70.6</td><td></td><td></td><td>97.2</td><td></td><td></td><td>(b)</td><td></td><td>(b)</td></tr><tr><td>Texas</td><td></td><td>72.7</td><td></td><td></td><td>101.9</td><td></td><td></td><td>5 years</td><td></td><td>1.65 %</td></tr><tr><td>Total</td><td></td><td>$</td><td>180.5</td><td></td><td></td><td>$</td><td>253.3</td><td></td><td></td><td></td><td></td><td></td></tr></table>
|
table
|
37.2
|
monetaryItemType
|
table: <entity> 37.2 </entity> <entity type> monetaryItemType </entity type> <context> Arkansas | $ | 37.2 | $ | 54.2 | 6 years | (a) </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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Approved</td><td></td><td>Approved</td></tr><tr><td>Jurisdiction</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Recovery Period</td><td></td><td>Carrying Charge</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td><td></td><td></td></tr><tr><td>Arkansas</td><td></td><td>$</td><td>37.2</td><td></td><td></td><td>$</td><td>54.2</td><td></td><td></td><td>6 years</td><td></td><td>(a)</td></tr><tr><td>Louisiana</td><td></td><td>70.6</td><td></td><td></td><td>97.2</td><td></td><td></td><td>(b)</td><td></td><td>(b)</td></tr><tr><td>Texas</td><td></td><td>72.7</td><td></td><td></td><td>101.9</td><td></td><td></td><td>5 years</td><td></td><td>1.65 %</td></tr><tr><td>Total</td><td></td><td>$</td><td>180.5</td><td></td><td></td><td>$</td><td>253.3</td><td></td><td></td><td></td><td></td><td></td></tr></table>
|
table
|
54.2
|
monetaryItemType
|
table: <entity> 54.2 </entity> <entity type> monetaryItemType </entity type> <context> Arkansas | $ | 37.2 | $ | 54.2 | 6 years | (a) </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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Approved</td><td></td><td>Approved</td></tr><tr><td>Jurisdiction</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Recovery Period</td><td></td><td>Carrying Charge</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td><td></td><td></td></tr><tr><td>Arkansas</td><td></td><td>$</td><td>37.2</td><td></td><td></td><td>$</td><td>54.2</td><td></td><td></td><td>6 years</td><td></td><td>(a)</td></tr><tr><td>Louisiana</td><td></td><td>70.6</td><td></td><td></td><td>97.2</td><td></td><td></td><td>(b)</td><td></td><td>(b)</td></tr><tr><td>Texas</td><td></td><td>72.7</td><td></td><td></td><td>101.9</td><td></td><td></td><td>5 years</td><td></td><td>1.65 %</td></tr><tr><td>Total</td><td></td><td>$</td><td>180.5</td><td></td><td></td><td>$</td><td>253.3</td><td></td><td></td><td></td><td></td><td></td></tr></table>
|
table
|
70.6
|
monetaryItemType
|
table: <entity> 70.6 </entity> <entity type> monetaryItemType </entity type> <context> Louisiana | 70.6 | 97.2 | (b) | (b) </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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Approved</td><td></td><td>Approved</td></tr><tr><td>Jurisdiction</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Recovery Period</td><td></td><td>Carrying Charge</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td><td></td><td></td></tr><tr><td>Arkansas</td><td></td><td>$</td><td>37.2</td><td></td><td></td><td>$</td><td>54.2</td><td></td><td></td><td>6 years</td><td></td><td>(a)</td></tr><tr><td>Louisiana</td><td></td><td>70.6</td><td></td><td></td><td>97.2</td><td></td><td></td><td>(b)</td><td></td><td>(b)</td></tr><tr><td>Texas</td><td></td><td>72.7</td><td></td><td></td><td>101.9</td><td></td><td></td><td>5 years</td><td></td><td>1.65 %</td></tr><tr><td>Total</td><td></td><td>$</td><td>180.5</td><td></td><td></td><td>$</td><td>253.3</td><td></td><td></td><td></td><td></td><td></td></tr></table>
|
table
|
97.2
|
monetaryItemType
|
table: <entity> 97.2 </entity> <entity type> monetaryItemType </entity type> <context> Louisiana | 70.6 | 97.2 | (b) | (b) </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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Approved</td><td></td><td>Approved</td></tr><tr><td>Jurisdiction</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Recovery Period</td><td></td><td>Carrying Charge</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td><td></td><td></td></tr><tr><td>Arkansas</td><td></td><td>$</td><td>37.2</td><td></td><td></td><td>$</td><td>54.2</td><td></td><td></td><td>6 years</td><td></td><td>(a)</td></tr><tr><td>Louisiana</td><td></td><td>70.6</td><td></td><td></td><td>97.2</td><td></td><td></td><td>(b)</td><td></td><td>(b)</td></tr><tr><td>Texas</td><td></td><td>72.7</td><td></td><td></td><td>101.9</td><td></td><td></td><td>5 years</td><td></td><td>1.65 %</td></tr><tr><td>Total</td><td></td><td>$</td><td>180.5</td><td></td><td></td><td>$</td><td>253.3</td><td></td><td></td><td></td><td></td><td></td></tr></table>
|
table
|
72.7
|
monetaryItemType
|
table: <entity> 72.7 </entity> <entity type> monetaryItemType </entity type> <context> Texas | 72.7 | 101.9 | 5 years | 1.65 % </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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Approved</td><td></td><td>Approved</td></tr><tr><td>Jurisdiction</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Recovery Period</td><td></td><td>Carrying Charge</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td><td></td><td></td></tr><tr><td>Arkansas</td><td></td><td>$</td><td>37.2</td><td></td><td></td><td>$</td><td>54.2</td><td></td><td></td><td>6 years</td><td></td><td>(a)</td></tr><tr><td>Louisiana</td><td></td><td>70.6</td><td></td><td></td><td>97.2</td><td></td><td></td><td>(b)</td><td></td><td>(b)</td></tr><tr><td>Texas</td><td></td><td>72.7</td><td></td><td></td><td>101.9</td><td></td><td></td><td>5 years</td><td></td><td>1.65 %</td></tr><tr><td>Total</td><td></td><td>$</td><td>180.5</td><td></td><td></td><td>$</td><td>253.3</td><td></td><td></td><td></td><td></td><td></td></tr></table>
|
table
|
101.9
|
monetaryItemType
|
table: <entity> 101.9 </entity> <entity type> monetaryItemType </entity type> <context> Texas | 72.7 | 101.9 | 5 years | 1.65 % </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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Approved</td><td></td><td>Approved</td></tr><tr><td>Jurisdiction</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Recovery Period</td><td></td><td>Carrying Charge</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td><td></td><td></td></tr><tr><td>Arkansas</td><td></td><td>$</td><td>37.2</td><td></td><td></td><td>$</td><td>54.2</td><td></td><td></td><td>6 years</td><td></td><td>(a)</td></tr><tr><td>Louisiana</td><td></td><td>70.6</td><td></td><td></td><td>97.2</td><td></td><td></td><td>(b)</td><td></td><td>(b)</td></tr><tr><td>Texas</td><td></td><td>72.7</td><td></td><td></td><td>101.9</td><td></td><td></td><td>5 years</td><td></td><td>1.65 %</td></tr><tr><td>Total</td><td></td><td>$</td><td>180.5</td><td></td><td></td><td>$</td><td>253.3</td><td></td><td></td><td></td><td></td><td></td></tr></table>
|
table
|
180.5
|
monetaryItemType
|
table: <entity> 180.5 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 180.5 | $ | 253.3 </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><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Approved</td><td></td><td>Approved</td></tr><tr><td>Jurisdiction</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>Recovery Period</td><td></td><td>Carrying Charge</td></tr><tr><td></td><td></td><td>(in millions)</td><td></td><td></td><td></td><td></td></tr><tr><td>Arkansas</td><td></td><td>$</td><td>37.2</td><td></td><td></td><td>$</td><td>54.2</td><td></td><td></td><td>6 years</td><td></td><td>(a)</td></tr><tr><td>Louisiana</td><td></td><td>70.6</td><td></td><td></td><td>97.2</td><td></td><td></td><td>(b)</td><td></td><td>(b)</td></tr><tr><td>Texas</td><td></td><td>72.7</td><td></td><td></td><td>101.9</td><td></td><td></td><td>5 years</td><td></td><td>1.65 %</td></tr><tr><td>Total</td><td></td><td>$</td><td>180.5</td><td></td><td></td><td>$</td><td>253.3</td><td></td><td></td><td></td><td></td><td></td></tr></table>
|
table
|
253.3
|
monetaryItemType
|
table: <entity> 253.3 </entity> <entity type> monetaryItemType </entity type> <context> Total | $ | 180.5 | $ | 253.3 </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><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant</td><td></td><td></td><td></td><td></td><td></td><td>Net Book Value</td><td></td><td>Accelerated Depreciation Regulatory Asset</td><td></td><td></td><td></td><td>Cost of Removal Regulatory Liability</td><td></td><td></td><td>Projected Retirement Date</td><td></td><td>Current Authorized Recovery Period</td><td></td><td>Annual Depreciation (a)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td>(dollars in millions)</td></tr><tr><td>Northeastern Plant, Unit 3</td><td></td><td></td><td></td><td></td><td></td><td>$</td><td>101.7</td><td></td><td></td><td>$</td><td>189.0</td><td></td><td></td><td></td><td></td><td>$</td><td>21.0</td><td></td><td>(b)</td><td></td><td>2026</td><td></td><td>(c)</td><td></td><td>$</td><td>16.2</td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3</td><td></td><td></td><td></td><td></td><td></td><td>324.3</td><td></td><td></td><td>168.6</td><td></td><td></td><td></td><td></td><td>57.6</td><td></td><td>(d)</td><td></td><td>2028</td><td>(e)</td><td>(f)</td><td></td><td>43.6</td><td></td></tr></table>
|
table
|
101.7
|
monetaryItemType
|
table: <entity> 101.7 </entity> <entity type> monetaryItemType </entity type> <context> Northeastern Plant, Unit 3 | $ | 101.7 | $ | 189.0 | $ | 21.0 | (b) | 2026 | (c) | $ | 16.2 </context>
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us-gaap:NetRegulatoryAssets
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant</td><td></td><td></td><td></td><td></td><td></td><td>Net Book Value</td><td></td><td>Accelerated Depreciation Regulatory Asset</td><td></td><td></td><td></td><td>Cost of Removal Regulatory Liability</td><td></td><td></td><td>Projected Retirement Date</td><td></td><td>Current Authorized Recovery Period</td><td></td><td>Annual Depreciation (a)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td>(dollars in millions)</td></tr><tr><td>Northeastern Plant, Unit 3</td><td></td><td></td><td></td><td></td><td></td><td>$</td><td>101.7</td><td></td><td></td><td>$</td><td>189.0</td><td></td><td></td><td></td><td></td><td>$</td><td>21.0</td><td></td><td>(b)</td><td></td><td>2026</td><td></td><td>(c)</td><td></td><td>$</td><td>16.2</td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3</td><td></td><td></td><td></td><td></td><td></td><td>324.3</td><td></td><td></td><td>168.6</td><td></td><td></td><td></td><td></td><td>57.6</td><td></td><td>(d)</td><td></td><td>2028</td><td>(e)</td><td>(f)</td><td></td><td>43.6</td><td></td></tr></table>
|
table
|
16.2
|
monetaryItemType
|
table: <entity> 16.2 </entity> <entity type> monetaryItemType </entity type> <context> Northeastern Plant, Unit 3 | $ | 101.7 | $ | 189.0 | $ | 21.0 | (b) | 2026 | (c) | $ | 16.2 </context>
|
us-gaap:Depreciation
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant</td><td></td><td></td><td></td><td></td><td></td><td>Net Book Value</td><td></td><td>Accelerated Depreciation Regulatory Asset</td><td></td><td></td><td></td><td>Cost of Removal Regulatory Liability</td><td></td><td></td><td>Projected Retirement Date</td><td></td><td>Current Authorized Recovery Period</td><td></td><td>Annual Depreciation (a)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td>(dollars in millions)</td></tr><tr><td>Northeastern Plant, Unit 3</td><td></td><td></td><td></td><td></td><td></td><td>$</td><td>101.7</td><td></td><td></td><td>$</td><td>189.0</td><td></td><td></td><td></td><td></td><td>$</td><td>21.0</td><td></td><td>(b)</td><td></td><td>2026</td><td></td><td>(c)</td><td></td><td>$</td><td>16.2</td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3</td><td></td><td></td><td></td><td></td><td></td><td>324.3</td><td></td><td></td><td>168.6</td><td></td><td></td><td></td><td></td><td>57.6</td><td></td><td>(d)</td><td></td><td>2028</td><td>(e)</td><td>(f)</td><td></td><td>43.6</td><td></td></tr></table>
|
table
|
324.3
|
monetaryItemType
|
table: <entity> 324.3 </entity> <entity type> monetaryItemType </entity type> <context> Welsh Plant, Units 1 and 3 | 324.3 | 168.6 | 57.6 | (d) | 2028 | (e) | (f) | 43.6 </context>
|
us-gaap:NetRegulatoryAssets
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant</td><td></td><td></td><td></td><td></td><td></td><td>Net Book Value</td><td></td><td>Accelerated Depreciation Regulatory Asset</td><td></td><td></td><td></td><td>Cost of Removal Regulatory Liability</td><td></td><td></td><td>Projected Retirement Date</td><td></td><td>Current Authorized Recovery Period</td><td></td><td>Annual Depreciation (a)</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td>(dollars in millions)</td></tr><tr><td>Northeastern Plant, Unit 3</td><td></td><td></td><td></td><td></td><td></td><td>$</td><td>101.7</td><td></td><td></td><td>$</td><td>189.0</td><td></td><td></td><td></td><td></td><td>$</td><td>21.0</td><td></td><td>(b)</td><td></td><td>2026</td><td></td><td>(c)</td><td></td><td>$</td><td>16.2</td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3</td><td></td><td></td><td></td><td></td><td></td><td>324.3</td><td></td><td></td><td>168.6</td><td></td><td></td><td></td><td></td><td>57.6</td><td></td><td>(d)</td><td></td><td>2028</td><td>(e)</td><td>(f)</td><td></td><td>43.6</td><td></td></tr></table>
|
table
|
43.6
|
monetaryItemType
|
table: <entity> 43.6 </entity> <entity type> monetaryItemType </entity type> <context> Welsh Plant, Units 1 and 3 | 324.3 | 168.6 | 57.6 | (d) | 2028 | (e) | (f) | 43.6 </context>
|
us-gaap:Depreciation
|
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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245.7
|
monetaryItemType
|
table: <entity> 245.7 </entity> <entity type> monetaryItemType </entity type> <context> Under-recovered Fuel Costs - earns a return | $ | 245.7 | $ | 357.4 | 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>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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357.4
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monetaryItemType
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table: <entity> 357.4 </entity> <entity type> monetaryItemType </entity type> <context> Under-recovered Fuel Costs - earns a return | $ | 245.7 | $ | 357.4 | 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>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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116.0
|
monetaryItemType
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table: <entity> 116.0 </entity> <entity type> monetaryItemType </entity type> <context> Under-recovered Fuel Costs - does not earn a return | 116.0 | 62.7 | 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>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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62.7
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monetaryItemType
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table: <entity> 62.7 </entity> <entity type> monetaryItemType </entity type> <context> Under-recovered Fuel Costs - does not earn a return | 116.0 | 62.7 | 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>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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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>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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93.9
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monetaryItemType
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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>
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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>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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445.9
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monetaryItemType
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table: <entity> 445.9 </entity> <entity type> monetaryItemType </entity type> <context> Total Current Regulatory Assets | $ | 445.9 | $ | 514.0 </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>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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514.0
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monetaryItemType
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table: <entity> 514.0 </entity> <entity type> monetaryItemType </entity type> <context> Total Current Regulatory Assets | $ | 445.9 | $ | 514.0 </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>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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168.6
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monetaryItemType
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table: <entity> 168.6 </entity> <entity type> monetaryItemType </entity type> <context> Welsh Plant, Units 1 and 3 Accelerated Depreciation | $ | 168.6 | $ | 125.6 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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125.6
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monetaryItemType
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table: <entity> 125.6 </entity> <entity type> monetaryItemType </entity type> <context> Welsh Plant, Units 1 and 3 Accelerated Depreciation | $ | 168.6 | $ | 125.6 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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121.3
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monetaryItemType
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table: <entity> 121.3 </entity> <entity type> monetaryItemType </entity type> <context> Pirkey Plant Accelerated Depreciation | 121.3 | 114.4 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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114.4
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monetaryItemType
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table: <entity> 114.4 </entity> <entity type> monetaryItemType </entity type> <context> Pirkey Plant Accelerated Depreciation | 121.3 | 114.4 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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51.0
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monetaryItemType
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table: <entity> 51.0 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 51.0 | — </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table: <entity> — </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 51.0 | — </context>
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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33.5
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monetaryItemType
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table: <entity> 33.5 </entity> <entity type> monetaryItemType </entity type> <context> Unrecovered Winter Storm Fuel Costs (a) | 33.5 | 60.1 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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60.1
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monetaryItemType
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table: <entity> 60.1 </entity> <entity type> monetaryItemType </entity type> <context> Unrecovered Winter Storm Fuel Costs (a) | 33.5 | 60.1 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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20.7
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monetaryItemType
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table: <entity> 20.7 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Pending Final Regulatory Approval | 20.7 | 49.8 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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49.8
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monetaryItemType
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table: <entity> 49.8 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Pending Final Regulatory Approval | 20.7 | 49.8 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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395.1
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monetaryItemType
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table: <entity> 395.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Earning a Return | 395.1 | 349.9 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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349.9
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monetaryItemType
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table: <entity> 349.9 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Earning a Return | 395.1 | 349.9 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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357.4
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monetaryItemType
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table: <entity> 357.4 </entity> <entity type> monetaryItemType </entity type> <context> Under-recovered Fuel Costs - earns a return | $ | 245.7 | $ | 357.4 | 1 year </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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25.9
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monetaryItemType
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table: <entity> 25.9 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Asset Retirement Obligation Costs (b) | 357.4 | 25.9 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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300.8
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monetaryItemType
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table: <entity> 300.8 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 300.8 | 408.9 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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408.9
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monetaryItemType
|
table: <entity> 408.9 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 300.8 | 408.9 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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92.8
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monetaryItemType
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table: <entity> 92.8 </entity> <entity type> monetaryItemType </entity type> <context> NOLC - Costs (c) | 92.8 | — </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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78.4
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monetaryItemType
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table: <entity> 78.4 </entity> <entity type> monetaryItemType </entity type> <context> 2024-2025 Virginia Under-Earnings | 78.4 | — </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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86.3
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monetaryItemType
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table: <entity> 86.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Pending Final Regulatory Approval | 86.3 | 52.6 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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52.6
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monetaryItemType
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table: <entity> 52.6 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Pending Final Regulatory Approval | 86.3 | 52.6 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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915.7
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monetaryItemType
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table: <entity> 915.7 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 915.7 | 487.4 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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487.4
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monetaryItemType
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table: <entity> 487.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 915.7 | 487.4 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
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table
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1310.8
|
monetaryItemType
|
table: <entity> 1310.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Pending Final Regulatory Approval | 1,310.8 | 837.3 </context>
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us-gaap:RegulatoryAssetsNoncurrent
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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery Period</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</td><td></td></tr><tr><td>Current Regulatory Assets</td><td></td><td>(in millions)</td><td></td><td></td></tr><tr><td>Under-recovered Fuel Costs - earns a return</td><td></td><td>$</td><td>245.7</td><td></td><td></td><td>$</td><td>357.4</td><td></td><td></td><td>1 year</td></tr><tr><td>Under-recovered Fuel Costs - does not earn a return</td><td></td><td>116.0</td><td></td><td></td><td>62.7</td><td></td><td></td><td>1 year</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs - earns a return (a)</td><td></td><td>84.2</td><td></td><td></td><td>93.9</td><td></td><td></td><td>1 year</td></tr><tr><td>Total Current Regulatory Assets</td><td></td><td>$</td><td>445.9</td><td></td><td></td><td>$</td><td>514.0</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Noncurrent Regulatory Assets</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets pending final regulatory approval:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Welsh Plant, Units 1 and 3 Accelerated Depreciation</td><td></td><td>$</td><td>168.6</td><td></td><td></td><td>$</td><td>125.6</td><td></td><td></td><td></td></tr><tr><td>Pirkey Plant Accelerated Depreciation</td><td></td><td>121.3</td><td></td><td></td><td>114.4</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>51.0</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>33.5</td><td></td><td></td><td>60.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>20.7</td><td></td><td></td><td>49.8</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>395.1</td><td></td><td></td><td>349.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs (b)</td><td></td><td>357.4</td><td></td><td></td><td>25.9</td><td></td><td></td><td></td></tr><tr><td>Storm-Related Costs</td><td></td><td>300.8</td><td></td><td></td><td>408.9</td><td></td><td></td><td></td></tr><tr><td>NOLC - Costs (c)</td><td></td><td>92.8</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td>2024-2025 Virginia Under-Earnings</td><td></td><td>78.4</td><td></td><td></td><td>—</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>86.3</td><td></td><td></td><td>52.6</td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>915.7</td><td></td><td></td><td>487.4</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Pending Final Regulatory Approval</td><td></td><td>1,310.8</td><td></td><td></td><td>837.3</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory assets approved for recovery:</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant (d)</td><td></td><td>661.2</td><td></td><td></td><td>664.2</td><td></td><td></td><td>22 years</td></tr><tr><td>Long-term Under-recovered Fuel Costs - West Virginia</td><td></td><td>283.8</td><td></td><td></td><td>291.5</td><td></td><td></td><td>10 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>111.0</td><td></td><td></td><td>110.8</td><td></td><td></td><td>16 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>106.7</td><td></td><td></td><td>170.9</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel Mine Closure Costs - Texas</td><td></td><td>70.6</td><td></td><td></td><td>74.3</td><td></td><td></td><td>11 years</td></tr><tr><td>Pirkey Plant Accelerated Depreciation - Louisiana</td><td></td><td>66.4</td><td></td><td></td><td>65.8</td><td></td><td></td><td>8 years</td></tr><tr><td>Unrecovered Winter Storm Fuel Costs (a)</td><td></td><td>62.8</td><td></td><td></td><td>99.3</td><td></td><td></td><td>3 years</td></tr><tr><td>Kentucky Deferred Purchased Power Expenses</td><td></td><td>45.0</td><td></td><td></td><td>43.5</td><td></td><td></td><td>3 years</td></tr><tr><td>Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction</td><td></td><td>37.3</td><td></td><td></td><td>46.9</td><td></td><td></td><td>4 years</td></tr><tr><td>Texas Mobile Temporary Emergency Electric Energy Facilities Rider</td><td></td><td>32.6</td><td></td><td></td><td>33.4</td><td></td><td></td><td>2 years</td></tr><tr><td>Environmental Control Projects</td><td></td><td>29.1</td><td></td><td></td><td>31.4</td><td></td><td></td><td>16 years</td></tr><tr><td>Ohio Basic Transmission Cost Rider</td><td></td><td>26.1</td><td></td><td></td><td>42.2</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana</td><td></td><td>19.0</td><td></td><td></td><td>40.8</td><td></td><td></td><td>8 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Long-term Under-recovered Fuel Costs - Virginia</td><td></td><td>—</td><td></td><td></td><td>107.0</td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>159.9</td><td></td><td></td><td>124.9</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Earning a Return</td><td></td><td>1,711.5</td><td></td><td></td><td>1,946.9</td><td></td><td></td><td></td></tr><tr><td>Regulatory Assets Currently Not Earning a Return</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Pension and OPEB Funded Status</td><td></td><td>974.2</td><td></td><td></td><td>1,054.1</td><td></td><td></td><td>12 years</td></tr><tr><td>Plant Retirement Costs - Asset Retirement Obligation Costs</td><td></td><td>360.1</td><td></td><td></td><td>330.2</td><td></td><td></td><td>18 years</td></tr><tr><td>Unamortized Loss on Reacquired Debt</td><td></td><td>90.9</td><td></td><td></td><td>97.2</td><td></td><td></td><td>24 years</td></tr><tr><td>Storm-Related Costs</td><td></td><td>66.5</td><td></td><td></td><td>38.5</td><td></td><td></td><td>7 years</td></tr><tr><td>Fuel and Purchased Power Adjustment Rider</td><td></td><td>57.4</td><td></td><td></td><td>68.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Unrealized Loss on Forward Commitments</td><td></td><td>53.3</td><td></td><td></td><td>131.4</td><td></td><td></td><td>8 years</td></tr><tr><td>OVEC Purchased Power</td><td></td><td>52.0</td><td></td><td></td><td>50.1</td><td></td><td></td><td>2 years</td></tr><tr><td>Plant Retirement Costs - Unrecovered Plant, Texas</td><td></td><td>44.5</td><td></td><td></td><td>48.7</td><td></td><td></td><td>22 years</td></tr><tr><td>Cook Plant Nuclear Refueling Outage Levelization</td><td></td><td>43.0</td><td></td><td></td><td>55.7</td><td></td><td></td><td>3 years</td></tr><tr><td>Smart Grid Costs</td><td></td><td>33.8</td><td></td><td></td><td>26.3</td><td></td><td></td><td>2 years</td></tr><tr><td>Postemployment Benefits</td><td></td><td>27.9</td><td></td><td></td><td>30.6</td><td></td><td></td><td>3 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Ohio Enhanced Service Reliability Plan</td><td></td><td>26.2</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td>2020-2022 Virginia Triennial Under Earnings</td><td></td><td>26.0</td><td></td><td></td><td>37.4</td><td></td><td></td><td>3 years</td></tr><tr><td>Ohio Distribution Investment Rider</td><td></td><td>11.0</td><td></td><td></td><td>35.3</td><td></td><td></td><td>2 years</td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Regulatory Assets Approved for Recovery</td><td></td><td>240.1</td><td></td><td></td><td>269.1</td><td></td><td></td><td>various</td></tr><tr><td>Total Regulatory Assets Currently Not Earning a Return</td><td></td><td>2,106.9</td><td></td><td></td><td>2,308.2</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Regulatory Assets Approved for Recovery</td><td></td><td>3,818.4</td><td></td><td></td><td>4,255.1</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Total Noncurrent Regulatory Assets</td><td></td><td>$</td><td>5,129.2</td><td></td><td></td><td>$</td><td>5,092.4</td><td></td><td></td><td></td></tr></table>
|
table
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837.3
|
monetaryItemType
|
table: <entity> 837.3 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Pending Final Regulatory Approval | 1,310.8 | 837.3 </context>
|
us-gaap:RegulatoryAssetsNoncurrent
|
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