CONSOLIDATED BALANCE SHEETS - AEP Transmission Holdco - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Accounts Receivable:
Customers	$ 1,166	$ 1,100
Miscellaneous	60	64
Total Accounts Receivable	2,867	2,632
Prepayments and Other Current Assets	212	287
TOTAL CURRENT ASSETS	6,052	5,789
PROPERTY, PLANT AND EQUIPMENT
Transmission	42,557	38,872
Other Property, Plant and Equipment	8,635	7,491
Construction Work in Progress	7,635	6,347
Total Property, Plant and Equipment	120,579	108,602
Accumulated Depreciation and Amortization	28,205	26,186
TOTAL PROPERTY, PLANT AND EQUIPMENT – NET	92,374	82,416
OTHER NONCURRENT ASSETS
Regulatory Assets	4,804	5,129
Deferred Charges and Other Noncurrent Assets	4,402	3,873
TOTAL OTHER NONCURRENT ASSETS	16,034	14,873
TOTAL ASSETS	114,460	103,078
CURRENT LIABILITIES
Accounts Payable	3,429	2,638
Long-term Debt Due Within One Year	3,194	3,335
Accrued Taxes	2,002	1,922
Accrued Interest	544	453
Obligations Under Operating Leases	100	92
Other Current Liabilities	1,898	1,490
TOTAL CURRENT LIABILITIES	13,314	13,009
NONCURRENT LIABILITIES
Long-term Debt	44,128	39,308
Deferred Income Taxes	10,951	9,972
Regulatory Liabilities and Deferred Investment Tax Credits	8,362	8,344
Obligations Under Operating Leases	578	504
Deferred Credits and Other Noncurrent Liabilities	905	801
TOTAL NONCURRENT LIABILITIES	68,890	63,045
TOTAL LIABILITIES	82,204	76,054
Rate Matters (Note 4)
Commitments and Contingencies (Note 6)
MEMBER’S EQUITY
Retained Earnings	15,441	13,869
TOTAL LIABILITIES AND EQUITY	114,460	103,078
AEP TRANSMISSION COMPANY, LLC
CURRENT ASSETS
Advances to Affiliates	71	30
Accounts Receivable:
Customers	94	59
Affiliated Companies	153	134
Miscellaneous	0	1
Total Accounts Receivable	247	194
Prepayments and Other Current Assets	4	12
TOTAL CURRENT ASSETS	322	236
PROPERTY, PLANT AND EQUIPMENT
Transmission	16,542	14,913
Other Property, Plant and Equipment	571	516
Construction Work in Progress	2,005	1,965
Total Property, Plant and Equipment	19,118	17,394
Accumulated Depreciation and Amortization	1,915	1,578
TOTAL PROPERTY, PLANT AND EQUIPMENT – NET	17,203	15,816
OTHER NONCURRENT ASSETS
Regulatory Assets	73	0
Deferred Property Taxes	326	309
Deferred Charges and Other Noncurrent Assets	75	9
TOTAL OTHER NONCURRENT ASSETS	474	318
TOTAL ASSETS	17,999	16,370
CURRENT LIABILITIES
Advances from Affiliates	143	85
Long-term Debt Due Within One Year	425	90
Accrued Taxes	650	666
Accrued Interest	46	45
Obligations Under Operating Leases	1	1
Other Current Liabilities	41	45
TOTAL CURRENT LIABILITIES	1,947	1,409
NONCURRENT LIABILITIES
Long-term Debt	6,174	5,678
Deferred Income Taxes	1,481	1,279
Regulatory Liabilities and Deferred Investment Tax Credits	708	878
Obligations Under Operating Leases	2	1
Deferred Credits and Other Noncurrent Liabilities	44	174
TOTAL NONCURRENT LIABILITIES	8,409	8,010
TOTAL LIABILITIES	10,356	9,419
Rate Matters (Note 4)
Commitments and Contingencies (Note 6)
MEMBER’S EQUITY
Paid-in Capital	4,962	3,101
Retained Earnings	1,651	3,850
TOTAL MEMBER’S EQUITY	6,613	6,951
Noncontrolling Interest	1,030	0
TOTAL EQUITY	7,643	6,951
TOTAL LIABILITIES AND EQUITY	17,999	16,370
AEP TRANSMISSION COMPANY, LLC | Nonrelated Party
CURRENT LIABILITIES
Accounts Payable	477	360
AEP TRANSMISSION COMPANY, LLC | Affiliated Entity
CURRENT LIABILITIES
Accounts Payable	$ 164	$ 117