CONDENSED CONSOLIDATED BALANCE SHEETS - OPCo - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
CURRENT ASSETS
Cash and Cash Equivalents	$ 1,067.7	$ 202.9
Accounts Receivable:
Customers	1,141.4	1,100.1
Accrued Unbilled Revenues	355.0	367.0
Miscellaneous	63.2	64.1
Total Accounts Receivable	2,833.1	2,631.9
Materials and Supplies	986.7	966.2
Prepayments and Other Current Assets	260.8	285.9
TOTAL CURRENT ASSETS	6,860.0	5,788.8
PROPERTY, PLANT AND EQUIPMENT
Transmission	40,987.3	38,871.9
Distribution	32,618.2	31,061.9
Other Property, Plant and Equipment	8,385.1	7,491.6
Construction Work in Progress	7,456.7	6,346.9
Total Property, Plant and Equipment	115,889.5	108,602.0
Accumulated Depreciation and Amortization	27,871.8	26,186.4
TOTAL PROPERTY, PLANT AND EQUIPMENT – NET	88,017.7	82,415.6
OTHER NONCURRENT ASSETS
Regulatory Assets	4,950.2	5,129.2
Operating Lease Assets	578.2	580.1
Deferred Charges and Other Noncurrent Assets	3,718.5	3,873.3
TOTAL OTHER NONCURRENT ASSETS	15,375.8	14,873.6
TOTAL ASSETS	110,253.5	103,078.0
CURRENT LIABILITIES
Accounts Payable	2,806.7	2,637.6
Risk Management Liabilities	122.7	100.0
Customer Deposits	498.5	454.7
Accrued Taxes	1,257.2	1,922.1
Obligations Under Operating Leases	98.4	91.9
Other Current Liabilities	1,551.4	1,490.9
TOTAL CURRENT LIABILITIES	9,997.6	13,009.3
NONCURRENT LIABILITIES
Long-term Debt	44,239.0	39,307.8
Long-term Risk Management Liabilities	186.9	224.4
Deferred Income Taxes	10,713.9	9,972.4
Regulatory Liabilities and Deferred Investment Tax Credits	8,320.0	8,344.0
Obligations Under Operating Leases	496.3	504.3
Deferred Credits and Other Noncurrent Liabilities	844.6	800.6
TOTAL NONCURRENT LIABILITIES	68,715.9	63,044.8
TOTAL LIABILITIES	78,713.5	76,054.1
Rate Matters (Note 4)
Commitments and Contingencies (Note 5)
COMMON SHAREHOLDER’S EQUITY
Common Stock	3,486.0	3,471.6
Paid-in Capital	11,561.8	9,606.1
Retained Earnings	15,369.3	13,869.2
TOTAL AEP COMMON SHAREHOLDERS’ EQUITY	30,389.3	26,943.8
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY	110,253.5	103,078.0
OPCo
CURRENT ASSETS
Cash and Cash Equivalents	5.4	4.5
Accounts Receivable:
Customers	147.2	189.2
Accrued Unbilled Revenues	25.2	31.1
Miscellaneous	0.2	8.6
Total Accounts Receivable	298.0	346.4
Materials and Supplies	168.8	141.4
Prepayments and Other Current Assets	18.7	19.9
TOTAL CURRENT ASSETS	490.9	627.1
PROPERTY, PLANT AND EQUIPMENT
Transmission	3,838.7	3,663.9
Distribution	7,510.7	7,244.0
Other Property, Plant and Equipment	1,265.7	1,256.0
Construction Work in Progress	783.1	691.1
Total Property, Plant and Equipment	13,398.2	12,855.0
Accumulated Depreciation and Amortization	2,974.1	2,883.9
TOTAL PROPERTY, PLANT AND EQUIPMENT – NET	10,424.1	9,971.1
OTHER NONCURRENT ASSETS
Regulatory Assets	347.6	379.1
Operating Lease Assets	53.4	60.4
Deferred Charges and Other Noncurrent Assets	310.4	661.0
TOTAL OTHER NONCURRENT ASSETS	711.4	1,100.5
TOTAL ASSETS	11,626.4	11,698.7
CURRENT LIABILITIES
Accounts Payable	354.4	343.6
Risk Management Liabilities	6.3	7.3
Customer Deposits	100.4	108.1
Accrued Taxes	421.3	836.1
Obligations Under Operating Leases	13.5	12.3
Other Current Liabilities	199.8	182.2
TOTAL CURRENT LIABILITIES	1,395.3	1,694.5
NONCURRENT LIABILITIES
Long-term Debt	3,717.8	3,715.7
Long-term Risk Management Liabilities	38.0	40.2
Deferred Income Taxes	1,249.6	1,201.1
Regulatory Liabilities and Deferred Investment Tax Credits	904.9	987.7
Obligations Under Operating Leases	40.2	48.4
Deferred Credits and Other Noncurrent Liabilities	199.0	127.0
TOTAL NONCURRENT LIABILITIES	6,149.5	6,120.1
TOTAL LIABILITIES	7,544.8	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	1,021.8	1,020.0
Retained Earnings	2,738.6	2,542.9
TOTAL AEP COMMON SHAREHOLDERS’ EQUITY	4,081.6	3,884.1
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY	11,626.4	11,698.7
OPCo | Affiliated Entity
CURRENT ASSETS
Advances to Affiliates	0.0	114.9
Accounts Receivable:
Affiliated Companies	125.4	117.5
CURRENT LIABILITIES
Advances from Affiliates	13.0	0.0
Accounts Payable	$ 286.6	$ 204.9