CONSOLIDATED BALANCE SHEETS - AEP Transmission Holdco - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Accounts Receivable:
Customers	$ 1,100.1	$ 1,029.9
Miscellaneous	64.1	48.7
Total Accounts Receivable	2,631.9	2,447.4
Prepayments and Other Current Assets	285.9	274.2
TOTAL CURRENT ASSETS	5,788.8	6,082.1
PROPERTY, PLANT AND EQUIPMENT
Transmission	38,871.9	35,934.1
Other Property, Plant and Equipment	7,491.6	6,484.9
Construction Work in Progress	6,346.9	5,508.0
Total Property, Plant and Equipment	108,602.0	101,246.4
Accumulated Depreciation and Amortization	26,186.4	24,553.0
TOTAL PROPERTY, PLANT AND EQUIPMENT – NET	82,415.6	76,693.4
OTHER NONCURRENT ASSETS
Regulatory Assets	5,129.2	5,092.4
Deferred Charges and Other Noncurrent Assets	3,873.3	3,625.7
TOTAL OTHER NONCURRENT ASSETS	14,873.6	13,908.5
TOTAL ASSETS	103,078.0	96,684.0
CURRENT LIABILITIES
Accounts Payable	2,637.6	2,032.5
Long-term Debt Due Within One Year	3,335.0	2,490.5
Accrued Taxes	1,922.1	1,800.1
Accrued Interest	453.3	410.2
Obligations Under Operating Leases	91.9	115.7
Other Current Liabilities	1,490.9	1,251.1
TOTAL CURRENT LIABILITIES	13,009.3	11,583.6
NONCURRENT LIABILITIES
Long-term Debt	39,307.8	37,652.7
Deferred Income Taxes	9,972.4	9,415.7
Regulatory Liabilities and Deferred Investment Tax Credits	8,344.0	8,182.4
Obligations Under Operating Leases	504.3	519.4
Deferred Credits and Other Noncurrent Liabilities	800.6	545.8
TOTAL NONCURRENT LIABILITIES	63,044.8	59,772.0
TOTAL LIABILITIES	76,054.1	71,355.6
Rate Matters (Note 4)
Commitments and Contingencies (Note 6)
MEMBER’S EQUITY
Retained Earnings	13,869.2	12,800.4
TOTAL LIABILITIES, MEZZANINE EQUITY AND EQUITY	103,078.0	96,684.0
AEP TRANSMISSION COMPANY, LLC
CURRENT ASSETS
Advances to Affiliates	30.4	67.1
Accounts Receivable:
Customers	58.9	82.2
Miscellaneous	1.3	0.0
Total Accounts Receivable	194.3	207.7
Prepayments and Other Current Assets	11.1	4.0
TOTAL CURRENT ASSETS	235.8	278.8
PROPERTY, PLANT AND EQUIPMENT
Transmission	14,913.4	13,723.9
Other Property, Plant and Equipment	516.1	501.4
Construction Work in Progress	1,965.4	1,563.7
Total Property, Plant and Equipment	17,394.9	15,789.0
Accumulated Depreciation and Amortization	1,578.4	1,291.3
TOTAL PROPERTY, PLANT AND EQUIPMENT – NET	15,816.5	14,497.7
OTHER NONCURRENT ASSETS
Regulatory Assets	0.4	3.1
Deferred Property Taxes	308.9	286.4
Deferred Charges and Other Noncurrent Assets	8.7	6.5
TOTAL OTHER NONCURRENT ASSETS	318.0	296.0
TOTAL ASSETS	16,370.3	15,072.5
CURRENT LIABILITIES
Accounts Payable	360.5	274.7
Long-term Debt Due Within One Year	90.0	95.0
Accrued Taxes	665.9	568.6
Accrued Interest	44.9	39.6
Obligations Under Operating Leases	1.3	1.3
Other Current Liabilities	44.5	24.7
TOTAL CURRENT LIABILITIES	1,408.8	1,286.1
NONCURRENT LIABILITIES
Long-term Debt	5,678.1	5,319.4
Deferred Income Taxes	1,278.6	1,147.7
Regulatory Liabilities and Deferred Investment Tax Credits	878.4	783.7
Obligations Under Operating Leases	1.2	1.4
Deferred Credits and Other Noncurrent Liabilities	174.3	200.9
TOTAL NONCURRENT LIABILITIES	8,010.6	7,453.1
TOTAL LIABILITIES	9,419.4	8,739.2
Rate Matters (Note 4)
Commitments and Contingencies (Note 6)
MEMBER’S EQUITY
Paid-in Capital	3,100.6	3,043.4
Retained Earnings	3,850.3	3,289.9
TOTAL MEMBER’S EQUITY	6,950.9	6,333.3
TOTAL LIABILITIES, MEZZANINE EQUITY AND EQUITY	16,370.3	15,072.5
AEP TRANSMISSION COMPANY, LLC | Affiliated Entity
Accounts Receivable:
Affiliated Companies	134.1	125.5
CURRENT LIABILITIES
Advances from Affiliates	84.7	174.3
Accounts Payable	$ 117.0	$ 107.9