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FAIR VALUE MEASUREMENTS - Fair Value of Assets and Liabilities on a Recurring Basis (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | $ 258.5 | $ 263.2
Risk Management Assets |  |
Total Risk Management Assets | 499.5 | 538.7
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 4,395.1 | 3,860.2
Total Assets | 5,153.1 | 4,662.1
Risk Management Liabilities |  |
Total Risk Management Liabilities | 324.4 | 471.4
AEP TEXAS INC. |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 23.5 | 34.0
Risk Management Assets |  |
Total Risk Management Assets | 0.0 | 0.0
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.0 | 2.7
APPALACHIAN POWER COMPANY |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 16.2 | 14.9
Risk Management Assets |  |
Total Risk Management Assets | 37.1 | 22.4
Spent Nuclear Fuel and Decommissioning Trusts |  |
Total Assets | 53.3 | 37.3
Risk Management Liabilities |  |
Total Risk Management Liabilities | 2.2 | 22.5
INDIANA MICHIGAN POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | 18.4 | 39.6
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 4,395.1 | 3,860.2
Total Assets | 4,413.5 | 3,899.8
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.7 | 2.0
OHIO POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | 0.0 | 0.0
Risk Management Liabilities |  |
Total Risk Management Liabilities | 47.5 | 50.7
PUBLIC SERVICE COMPANY OF OKLAHOMA |  |
Risk Management Assets |  |
Total Risk Management Assets | 22.0 | 19.0
Risk Management Liabilities |  |
Total Risk Management Liabilities | 5.8 | 29.9
SOUTHWESTERN ELECTRIC POWER COMPANY |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 3.4 |
Risk Management Assets |  |
Total Risk Management Assets | 18.1 | 11.6
Spent Nuclear Fuel and Decommissioning Trusts |  |
Total Assets | 21.5 |
Risk Management Liabilities |  |
Total Risk Management Liabilities | 2.3 | 15.6
Risk Management Commodity Contracts |  |
Risk Management Assets |  |
Total Risk Management Assets | 374.6 | 403.9
Risk Management Liabilities |  |
Total Risk Management Liabilities | 252.6 | 362.3
Risk Management Commodity Contracts | AEP TEXAS INC. |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.0 | 0.0
Risk Management Commodity Contracts | APPALACHIAN POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | 37.1 | 22.4
Risk Management Liabilities |  |
Total Risk Management Liabilities | 2.2 | 22.5
Risk Management Commodity Contracts | INDIANA MICHIGAN POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | 18.4 | 39.6
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.7 | 2.0
Risk Management Commodity Contracts | OHIO POWER COMPANY |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities | 47.5 | 50.7
Risk Management Commodity Contracts | PUBLIC SERVICE COMPANY OF OKLAHOMA |  |
Risk Management Assets |  |
Total Risk Management Assets | 22.0 | 19.0
Risk Management Liabilities |  |
Total Risk Management Liabilities | 5.8 | 29.9
Risk Management Commodity Contracts | SOUTHWESTERN ELECTRIC POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | 18.1 | 11.6
Risk Management Liabilities |  |
Total Risk Management Liabilities | 2.3 | 15.6
Commodity Hedges |  |
Risk Management Assets |  |
Total Risk Management Assets | 124.9 | 134.8
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.2 | 1.7
Interest Rate Hedges |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities |  | 9.0
Interest Rate Hedges | AEP TEXAS INC. |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities |  | 2.7
Fair Value Hedges |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities | 71.6 | 98.4
Other |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 13.9 | 13.9
Risk Management Assets |  |
Total Risk Management Assets | (529.8) | (625.5)
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 13.7 | 9.0
Total Assets | (502.2) | (602.6)
Risk Management Liabilities |  |
Total Risk Management Liabilities | (446.2) |
Total Risk Management Liabilities |  | (608.8)
Other | AEP TEXAS INC. |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 0.0 | 0.0
Risk Management Liabilities |  |
Total Risk Management Liabilities |  | (0.2)
Other | APPALACHIAN POWER COMPANY |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 0.0 | 0.0
Spent Nuclear Fuel and Decommissioning Trusts |  |
Total Assets | (4.6) | (2.2)
Other | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 13.7 | 9.0
Total Assets | 5.3 | 6.7
Other | SOUTHWESTERN ELECTRIC POWER COMPANY |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 0.0 |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Total Assets | (1.0) |
Other | Risk Management Commodity Contracts |  |
Risk Management Assets |  |
Total Risk Management Assets | (517.2) | (617.0)
Risk Management Liabilities |  |
Total Risk Management Liabilities | (433.6) |
Total Risk Management Liabilities |  | (600.3)
Other | Risk Management Commodity Contracts | AEP TEXAS INC. |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities | (0.3) | (0.2)
Other | Risk Management Commodity Contracts | APPALACHIAN POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | (4.6) | (2.2)
Risk Management Liabilities |  |
Total Risk Management Liabilities | (4.7) | (2.6)
Other | Risk Management Commodity Contracts | INDIANA MICHIGAN POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | (8.4) | (2.3)
Risk Management Liabilities |  |
Total Risk Management Liabilities | (9.0) | (3.4)
Other | Risk Management Commodity Contracts | OHIO POWER COMPANY |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities | (0.2) | (0.1)
Other | Risk Management Commodity Contracts | PUBLIC SERVICE COMPANY OF OKLAHOMA |  |
Risk Management Assets |  |
Total Risk Management Assets | (1.9) | (0.7)
Risk Management Liabilities |  |
Total Risk Management Liabilities | (2.0) | (0.8)
Other | Risk Management Commodity Contracts | SOUTHWESTERN ELECTRIC POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | (1.0) | (0.9)
Risk Management Liabilities |  |
Total Risk Management Liabilities | (1.1) | (1.0)
Other | Commodity Hedges |  |
Risk Management Assets |  |
Total Risk Management Assets | (12.6) | (8.5)
Risk Management Liabilities |  |
Total Risk Management Liabilities | (12.6) |
Total Risk Management Liabilities |  | (8.5)
Other | Interest Rate Hedges |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities |  | 0.0
Other | Interest Rate Hedges | AEP TEXAS INC. |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities |  | 0.0
Other | Fair Value Hedges |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.0 |
Total Risk Management Liabilities |  | 0.0
Restricted Cash |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 43.1 | 48.9
Restricted Cash | Other |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 0.0 | 0.0
Other Cash Deposits |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 13.9 | 13.9
Other Cash Deposits | Other |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 13.9 | 13.9
Fixed Income Securities – Mutual Funds |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 161.9 | 159.7
Fixed Income Securities – Mutual Funds | Other |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 0.0 | 0.0
Equity Securities - Mutual Funds |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 39.6 | 40.7
Equity Securities - Mutual Funds | Other |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 0.0 | 0.0
Cash and Cash Equivalents |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 23.3 | 16.8
Cash and Cash Equivalents | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 23.3 | 16.8
Cash and Cash Equivalents | Other |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 13.7 | 9.0
Cash and Cash Equivalents | Other | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 13.7 | 9.0
United States Government |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 1,322.8 | 1,273.0
United States Government | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 1,322.8 | 1,273.0
United States Government | Other |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
United States Government | Other | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Corporate Debt |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 211.3 | 132.1
Corporate Debt | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 211.3 | 132.1
Corporate Debt | Other |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Corporate Debt | Other | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
State and Local Government |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 1.7
State and Local Government | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 1.7
State and Local Government | Other |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
State and Local Government | Other | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Subtotal Fixed Income Securities |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 1,534.1 | 1,406.8
Subtotal Fixed Income Securities | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 1,534.1 | 1,406.8
Subtotal Fixed Income Securities | Other |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Subtotal Fixed Income Securities | Other | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Equity Securities - Domestic |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 2,837.7 | 2,436.6
Equity Securities - Domestic | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 2,837.7 | 2,436.6
Equity Securities - Domestic | Other |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Equity Securities - Domestic | Other | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 1 |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 244.6 | 249.3
Risk Management Assets |  |
Total Risk Management Assets | 2.9 | 9.7
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 2,847.3 | 2,444.4
Total Assets | 3,094.8 | 2,703.4
Risk Management Liabilities |  |
Total Risk Management Liabilities | 4.4 | 24.7
Level 1 | 2025 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts | (1.0) |
Level 1 | 2024 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts |  | (11.0)
Level 1 | 2025 - 2027 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts |  | (4.0)
Level 1 | AEP TEXAS INC. |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 23.5 | 34.0
Risk Management Liabilities |  |
Total Risk Management Liabilities |  | 0.0
Level 1 | APPALACHIAN POWER COMPANY |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 16.2 | 14.9
Spent Nuclear Fuel and Decommissioning Trusts |  |
Total Assets | 16.2 | 14.9
Level 1 | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 2,847.3 | 2,444.4
Total Assets | 2,847.3 | 2,444.4
Level 1 | SOUTHWESTERN ELECTRIC POWER COMPANY |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 3.4 |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Total Assets |  | 3.4
Level 1 | Risk Management Commodity Contracts |  |
Risk Management Assets |  |
Total Risk Management Assets | 2.9 | 9.7
Risk Management Liabilities |  |
Total Risk Management Liabilities | 4.4 | 24.7
Level 1 | Risk Management Commodity Contracts | AEP TEXAS INC. |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.0 | 0.0
Level 1 | Risk Management Commodity Contracts | APPALACHIAN POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | 0.0 | 0.0
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.0 | 0.0
Level 1 | Risk Management Commodity Contracts | INDIANA MICHIGAN POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | 0.0 | 0.0
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.0 | 0.0
Level 1 | Risk Management Commodity Contracts | OHIO POWER COMPANY |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.0 | 0.0
Level 1 | Risk Management Commodity Contracts | PUBLIC SERVICE COMPANY OF OKLAHOMA |  |
Risk Management Assets |  |
Total Risk Management Assets | 0.0 | 0.0
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.0 | 0.0
Level 1 | Risk Management Commodity Contracts | SOUTHWESTERN ELECTRIC POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | 0.0 | 0.0
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.0 | 0.0
Level 1 | Commodity Hedges |  |
Risk Management Assets |  |
Total Risk Management Assets | 0.0 | 0.0
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.0 | 0.0
Level 1 | Interest Rate Hedges |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities |  | 0.0
Level 1 | Interest Rate Hedges | AEP TEXAS INC. |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities |  | 0.0
Level 1 | Fair Value Hedges |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.0 | 0.0
Level 1 | Restricted Cash |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 43.1 | 48.9
Level 1 | Other Cash Deposits |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 0.0 | 0.0
Level 1 | Fixed Income Securities – Mutual Funds |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 161.9 | 159.7
Level 1 | Equity Securities - Mutual Funds |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 39.6 | 40.7
Level 1 | Cash and Cash Equivalents |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 9.6 | 7.8
Level 1 | Cash and Cash Equivalents | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 9.6 | 7.8
Level 1 | United States Government |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 1 | United States Government | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 1 | Corporate Debt |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 1 | Corporate Debt | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 1 | State and Local Government |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 1 | State and Local Government | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 1 | Subtotal Fixed Income Securities |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 1 | Subtotal Fixed Income Securities | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 1 | Equity Securities - Domestic |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 2,837.7 | 2,436.6
Level 1 | Equity Securities - Domestic | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 2,837.7 | 2,436.6
Level 2 |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 0.0 | 0.0
Risk Management Assets |  |
Total Risk Management Assets | 712.9 | 860.4
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 1,534.1 | 1,406.8
Total Assets | 2,247.0 | 2,267.2
Risk Management Liabilities |  |
Total Risk Management Liabilities | 618.3 | 900.8
Level 2 | 2025 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts | 16.0 |
Level 2 | 2026 - 2028 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts | 43.0 |
Level 2 | 2029-2030 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts | 4.0 |
Level 2 | 2024 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts |  | (99.0)
Level 2 | 2025 - 2027 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts |  | (44.0)
Level 2 | 2028 - 2029 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts |  | 7.0
Level 2 | 2030 - 2033 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts |  | 2.0
Level 2 | AEP TEXAS INC. |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 0.0 | 0.0
Risk Management Liabilities |  |
Total Risk Management Liabilities |  | 2.9
Level 2 | APPALACHIAN POWER COMPANY |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 0.0 | 0.0
Spent Nuclear Fuel and Decommissioning Trusts |  |
Total Assets | 6.5 | 1.1
Level 2 | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 1,534.1 | 1,406.8
Total Assets | 1,554.0 | 1,444.2
Level 2 | SOUTHWESTERN ELECTRIC POWER COMPANY |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 0.0 |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Total Assets | 1.0 |
Level 2 | Risk Management Commodity Contracts |  |
Risk Management Assets |  |
Total Risk Management Assets | 597.3 | 736.9
Risk Management Liabilities |  |
Total Risk Management Liabilities | 534.1 | 783.8
Level 2 | Risk Management Commodity Contracts | AEP TEXAS INC. |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.3 | 0.2
Level 2 | Risk Management Commodity Contracts | APPALACHIAN POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | 6.5 | 1.1
Risk Management Liabilities |  |
Total Risk Management Liabilities | 6.9 | 24.0
Level 2 | Risk Management Commodity Contracts | INDIANA MICHIGAN POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | 19.9 | 37.4
Risk Management Liabilities |  |
Total Risk Management Liabilities | 9.2 | 3.7
Level 2 | Risk Management Commodity Contracts | OHIO POWER COMPANY |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.2 | 0.2
Level 2 | Risk Management Commodity Contracts | PUBLIC SERVICE COMPANY OF OKLAHOMA |  |
Risk Management Assets |  |
Total Risk Management Assets | 3.1 | 0.0
Risk Management Liabilities |  |
Total Risk Management Liabilities | 7.0 | 29.6
Level 2 | Risk Management Commodity Contracts | SOUTHWESTERN ELECTRIC POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | 1.0 | 0.5
Risk Management Liabilities |  |
Total Risk Management Liabilities | 2.8 | 15.7
Level 2 | Commodity Hedges |  |
Risk Management Assets |  |
Total Risk Management Assets | 115.6 | 123.5
Risk Management Liabilities |  |
Total Risk Management Liabilities | 12.6 | 9.6
Level 2 | Interest Rate Hedges |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities |  | 9.0
Level 2 | Interest Rate Hedges | AEP TEXAS INC. |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities |  | 2.7
Level 2 | Fair Value Hedges |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities | 71.6 | 98.4
Level 2 | Restricted Cash |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 0.0 | 0.0
Level 2 | Other Cash Deposits |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 0.0 | 0.0
Level 2 | Fixed Income Securities – Mutual Funds |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 0.0 | 0.0
Level 2 | Equity Securities - Mutual Funds |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 0.0 | 0.0
Level 2 | Cash and Cash Equivalents |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 2 | Cash and Cash Equivalents | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 2 | United States Government |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 1,322.8 | 1,273.0
Level 2 | United States Government | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 1,322.8 | 1,273.0
Level 2 | Corporate Debt |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 211.3 | 132.1
Level 2 | Corporate Debt | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 211.3 | 132.1
Level 2 | State and Local Government |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 1.7
Level 2 | State and Local Government | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 1.7
Level 2 | Subtotal Fixed Income Securities |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 1,534.1 | 1,406.8
Level 2 | Subtotal Fixed Income Securities | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 1,534.1 | 1,406.8
Level 2 | Equity Securities - Domestic |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 2 | Equity Securities - Domestic | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 3 |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 0.0 | 0.0
Risk Management Assets |  |
Total Risk Management Assets | 313.5 | 294.1
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Total Assets | 313.5 | 294.1
Risk Management Liabilities |  |
Total Risk Management Liabilities | 147.9 | 154.7
Level 3 | 2025 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts | 106.0 |
Level 3 | 2026 - 2028 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts | 45.0 |
Level 3 | 2029-2030 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts | 9.0 |
Level 3 | 2031 - 2034 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts | (16.0) |
Level 3 | 2024 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts |  | 74.0
Level 3 | 2025 - 2027 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts |  | 43.0
Level 3 | 2028 - 2029 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts |  | 18.0
Level 3 | 2030 - 2033 |  |
Risk Management Liabilities |  |
Maturities of net fair value of risk management contracts |  | (16.0)
Level 3 | AEP TEXAS INC. |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 0.0 | 0.0
Risk Management Liabilities |  |
Total Risk Management Liabilities |  | 0.0
Level 3 | APPALACHIAN POWER COMPANY |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 0.0 | 0.0
Spent Nuclear Fuel and Decommissioning Trusts |  |
Total Assets | 35.2 | 23.5
Level 3 | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Total Assets | 6.9 | 4.5
Level 3 | SOUTHWESTERN ELECTRIC POWER COMPANY |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 0.0 |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Total Assets | 18.1 |
Level 3 | Risk Management Commodity Contracts |  |
Risk Management Assets |  |
Total Risk Management Assets | 291.6 | 274.3
Risk Management Liabilities |  |
Total Risk Management Liabilities | 147.7 | 154.1
Level 3 | Risk Management Commodity Contracts | AEP TEXAS INC. |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.0 | 0.0
Level 3 | Risk Management Commodity Contracts | APPALACHIAN POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | 35.2 | 23.5
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.0 | 1.1
Level 3 | Risk Management Commodity Contracts | INDIANA MICHIGAN POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | 6.9 | 4.5
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.5 | 1.7
Level 3 | Risk Management Commodity Contracts | OHIO POWER COMPANY |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities | 47.5 | 50.6
Level 3 | Risk Management Commodity Contracts | PUBLIC SERVICE COMPANY OF OKLAHOMA |  |
Risk Management Assets |  |
Total Risk Management Assets | 20.8 | 19.7
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.8 | 1.1
Level 3 | Risk Management Commodity Contracts | SOUTHWESTERN ELECTRIC POWER COMPANY |  |
Risk Management Assets |  |
Total Risk Management Assets | 18.1 | 12.0
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.6 | 0.9
Level 3 | Commodity Hedges |  |
Risk Management Assets |  |
Total Risk Management Assets | 21.9 | 19.8
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.2 | 0.6
Level 3 | Interest Rate Hedges |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities |  | 0.0
Level 3 | Interest Rate Hedges | AEP TEXAS INC. |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities |  | 0.0
Level 3 | Fair Value Hedges |  |
Risk Management Liabilities |  |
Total Risk Management Liabilities | 0.0 | 0.0
Level 3 | Restricted Cash |  |
Other Temporary Investments and Restricted Cash |  |
Restricted Cash | 0.0 | 0.0
Level 3 | Other Cash Deposits |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 0.0 | 0.0
Level 3 | Fixed Income Securities – Mutual Funds |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 0.0 | 0.0
Level 3 | Equity Securities - Mutual Funds |  |
Other Temporary Investments and Restricted Cash |  |
Total Other Temporary Investments and Restricted Cash | 0.0 | 0.0
Level 3 | Cash and Cash Equivalents |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 3 | Cash and Cash Equivalents | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 3 | United States Government |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 3 | United States Government | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 3 | Corporate Debt |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 3 | Corporate Debt | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 3 | State and Local Government |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 3 | State and Local Government | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 3 | Subtotal Fixed Income Securities |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 3 | Subtotal Fixed Income Securities | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 3 | Equity Securities - Domestic |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | 0.0 | 0.0
Level 3 | Equity Securities - Domestic | INDIANA MICHIGAN POWER COMPANY |  |
Spent Nuclear Fuel and Decommissioning Trusts |  |
Spent Nuclear Fuel and Decommissioning Trusts | $ 0.0 | $ 0.0

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