CONDENSED CONSOLIDATED BALANCE SHEETS - OPCo - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
CURRENT ASSETS
Cash and Cash Equivalents	$ 256.8	$ 202.9
Accounts Receivable:
Customers	1,119.3	1,100.1
Accrued Unbilled Revenues	252.9	367.0
Miscellaneous	52.4	64.1
Total Accounts Receivable	2,618.0	2,631.9
Materials and Supplies	961.9	966.2
Prepayments and Other Current Assets	324.6	285.9
TOTAL CURRENT ASSETS	5,936.9	5,788.8
PROPERTY, PLANT AND EQUIPMENT
Transmission	39,375.6	38,871.9
Distribution	31,590.0	31,061.9
Other Property, Plant and Equipment	7,502.7	7,491.6
Construction Work in Progress	6,835.4	6,346.9
Total Property, Plant and Equipment	110,174.9	108,602.0
Accumulated Depreciation and Amortization	26,612.2	26,186.4
TOTAL PROPERTY, PLANT AND EQUIPMENT – NET	83,562.7	82,415.6
OTHER NONCURRENT ASSETS
Regulatory Assets	5,133.6	5,129.2
Operating Lease Assets	578.8	580.1
Deferred Charges and Other Noncurrent Assets	4,036.8	3,873.3
TOTAL OTHER NONCURRENT ASSETS	14,895.0	14,873.6
TOTAL ASSETS	104,394.6	103,078.0
CURRENT LIABILITIES
Accounts Payable	2,380.8	2,637.6
Risk Management Liabilities	132.6	100.0
Customer Deposits	467.5	454.7
Accrued Taxes	1,797.0	1,922.1
Obligations Under Operating Leases	92.8	91.9
Other Current Liabilities	1,257.2	1,490.9
TOTAL CURRENT LIABILITIES	14,242.3	13,009.3
NONCURRENT LIABILITIES
Long-term Debt	38,810.9	39,307.8
Long-term Risk Management Liabilities	198.3	224.4
Deferred Income Taxes	10,199.1	9,972.4
Regulatory Liabilities and Deferred Investment Tax Credits	8,294.3	8,344.0
Obligations Under Operating Leases	501.5	504.3
Deferred Credits and Other Noncurrent Liabilities	828.1	800.6
TOTAL NONCURRENT LIABILITIES	62,741.6	63,044.8
TOTAL LIABILITIES	76,983.9	76,054.1
Rate Matters (Note 4)
Commitments and Contingencies (Note 5)
COMMON SHAREHOLDER’S EQUITY
Common Stock	3,478.7	3,471.6
Paid-in Capital	9,652.3	9,606.1
Retained Earnings	14,169.4	13,869.2
TOTAL AEP COMMON SHAREHOLDERS’ EQUITY	27,320.7	26,943.8
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY	104,394.6	103,078.0
OPCo
CURRENT ASSETS
Cash and Cash Equivalents	9.7	4.5
Accounts Receivable:
Customers	180.2	189.2
Accrued Unbilled Revenues	5.3	31.1
Miscellaneous	4.9	8.6
Total Accounts Receivable	315.7	346.4
Materials and Supplies	151.3	141.4
Prepayments and Other Current Assets	14.3	19.9
TOTAL CURRENT ASSETS	491.0	627.1
PROPERTY, PLANT AND EQUIPMENT
Transmission	3,679.8	3,663.9
Distribution	7,297.6	7,244.0
Other Property, Plant and Equipment	1,259.2	1,256.0
Construction Work in Progress	791.8	691.1
Total Property, Plant and Equipment	13,028.4	12,855.0
Accumulated Depreciation and Amortization	2,910.7	2,883.9
TOTAL PROPERTY, PLANT AND EQUIPMENT – NET	10,117.7	9,971.1
OTHER NONCURRENT ASSETS
Regulatory Assets	318.9	379.1
Operating Lease Assets	57.9	60.4
Deferred Charges and Other Noncurrent Assets	570.0	661.0
TOTAL OTHER NONCURRENT ASSETS	946.8	1,100.5
TOTAL ASSETS	11,555.5	11,698.7
CURRENT LIABILITIES
Accounts Payable	339.5	343.6
Risk Management Liabilities	5.1	7.3
Customer Deposits	125.5	108.1
Accrued Taxes	666.4	836.1
Obligations Under Operating Leases	12.2	12.3
Other Current Liabilities	184.8	182.2
TOTAL CURRENT LIABILITIES	1,519.3	1,694.5
NONCURRENT LIABILITIES
Long-term Debt	3,716.4	3,715.7
Long-term Risk Management Liabilities	46.1	40.2
Deferred Income Taxes	1,207.7	1,201.1
Regulatory Liabilities and Deferred Investment Tax Credits	984.7	987.7
Obligations Under Operating Leases	46.1	48.4
Deferred Credits and Other Noncurrent Liabilities	134.1	127.0
TOTAL NONCURRENT LIABILITIES	6,135.1	6,120.1
TOTAL LIABILITIES	7,654.4	7,814.6
Rate Matters (Note 4)
Commitments and Contingencies (Note 5)
COMMON SHAREHOLDER’S EQUITY
Common Stock	321.2	321.2
Paid-in Capital	1,020.0	1,020.0
Retained Earnings	2,559.9	2,542.9
TOTAL AEP COMMON SHAREHOLDERS’ EQUITY	3,901.1	3,884.1
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY	11,555.5	11,698.7
OPCo | Affiliated Entity
CURRENT ASSETS
Advances to Affiliates	0.0	114.9
Accounts Receivable:
Affiliated Companies	125.3	117.5
CURRENT LIABILITIES
Advances from Affiliates	9.7	0.0
Accounts Payable	$ 176.1	$ 204.9