CONSOLIDATED STATEMENTS OF INCOME - OPCo - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
REVENUES
TOTAL REVENUES	$ 19,721.3	$ 18,982.3	$ 19,639.5
EXPENSES
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation	5,936.3	6,578.3	7,097.9
Other Operation	3,127.6	2,810.5	2,878.1
Maintenance	1,325.1	1,276.3	1,249.4
Asset Impairments and Other Related Charges	142.5	85.6	48.8
Depreciation and Amortization	3,289.9	3,090.4	3,202.8
Taxes Other Than Income Taxes	1,596.3	1,492.3	1,469.8
TOTAL EXPENSES	15,417.7	15,426.1	16,156.8
OPERATING INCOME	4,303.6	3,556.2	3,482.7
Other Income (Expense):
Other Income	65.1	63.4	11.6
Allowance for Equity Funds Used During Construction	211.0	174.9	133.7
Non-Service Cost Components of Net Periodic Benefit Cost	126.0	221.1	188.5
Interest Expense	(1,862.8)	(1,806.9)	(1,396.1)
INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS (LOSS)	2,842.9	2,208.7	2,420.4
Income Tax Expense (Benefit)	(39.2)	54.6	5.4
Equity Earnings (Loss) of Unconsolidated Subsidiaries	93.7	58.5	(109.4)
OHIO POWER COMPANY
REVENUES
TOTAL REVENUES	3,827.8	3,811.4	3,665.1
EXPENSES
Other Operation	1,198.3	1,091.7	982.0
Maintenance	256.3	211.5	185.5
Asset Impairments and Other Related Charges	52.9	0.0	0.0
Depreciation and Amortization	386.0	316.2	294.3
Taxes Other Than Income Taxes	560.2	507.3	502.4
TOTAL EXPENSES	3,362.8	3,341.5	3,251.4
OPERATING INCOME	465.0	469.9	413.7
Other Income (Expense):
Other Income	3.4	0.4	1.3
Allowance for Equity Funds Used During Construction	23.4	17.1	13.9
Non-Service Cost Components of Net Periodic Benefit Cost	15.3	26.0	22.1
Interest Expense	(148.0)	(130.9)	(119.6)
INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS (LOSS)	359.1	382.5	331.4
Income Tax Expense (Benefit)	52.4	54.3	44.2
Equity Earnings (Loss) of Unconsolidated Subsidiaries	(1.1)	0.0	0.6
NET INCOME	305.6	328.2	287.8
OHIO POWER COMPANY | Affiliated Entity
EXPENSES
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation	97.8	86.8	9.8
OHIO POWER COMPANY | Nonrelated Party
EXPENSES
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation	811.3	1,128.0	1,277.4
Electricity, Transmission and Distribution | OHIO POWER COMPANY
REVENUES
TOTAL REVENUES	3,793.0	3,768.0	3,635.3
Sales to AEP Affiliates | OHIO POWER COMPANY | Affiliated Entity
REVENUES
TOTAL REVENUES	22.7	31.1	18.8
Other Revenues
REVENUES
TOTAL REVENUES	483.0	458.1	408.2
Other Revenues | OHIO POWER COMPANY
REVENUES
TOTAL REVENUES	$ 12.1	$ 12.3	$ 11.0