CONDENSED CONSOLIDATED BALANCE SHEETS - OPCo - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
CURRENT ASSETS
Cash and Cash Equivalents	$ 306	$ 197
Accounts Receivable:
Customers	1,338	1,166
Accrued Unbilled Revenues	349	421
Total Accounts Receivable	2,970	2,867
Materials and Supplies	1,098	1,046
Prepayments and Other Current Assets	385	212
TOTAL CURRENT ASSETS	6,623	6,052
PROPERTY, PLANT AND EQUIPMENT
Transmission	43,093	42,557
Distribution	33,902	33,364
Other Property, Plant and Equipment	9,119	8,635
Construction Work in Progress	8,314	7,635
Total Property, Plant and Equipment	123,307	120,579
Accumulated Depreciation and Amortization	28,453	28,205
TOTAL PROPERTY, PLANT AND EQUIPMENT – NET	94,854	92,374
OTHER NONCURRENT ASSETS
Regulatory Assets	5,070	4,804
Prepayments & Other Current Assets	650	661
Deferred Charges and Other Noncurrent Assets	4,578	4,402
TOTAL OTHER NONCURRENT ASSETS	16,299	16,034
TOTAL ASSETS	117,776	114,460
CURRENT LIABILITIES
Accounts Payable	3,148	3,429
Risk Management Liabilities	130	132
Customer Deposits	521	507
Accrued Taxes	1,888	2,002
Obligations Under Operating Leases	95	100
Other Current Liabilities	1,924	1,898
TOTAL CURRENT LIABILITIES	12,594	13,314
NONCURRENT LIABILITIES
Long-term Debt	46,850	44,128
Long-term Risk Management Liabilities	165	178
Deferred Income Taxes	11,249	10,951
Regulatory Liabilities and Deferred Investment Tax Credits	8,230	8,362
Obligations Under Operating Leases	572	578
Deferred Credits and Other Noncurrent Liabilities	1,235	905
TOTAL NONCURRENT LIABILITIES	72,153	68,890
TOTAL LIABILITIES	84,747	82,204
Rate Matters (Note 4)
Commitments, Guarantees and Contingencies (Note 5)
COMMON SHAREHOLDER’S EQUITY
Common Stock	3,544	3,523
Paid-in Capital	12,447	12,138
Retained Earnings	15,795	15,441
TOTAL COMMON SHAREHOLDER’S EQUITY	31,808	31,138
TOTAL LIABILITIES AND EQUITY	117,776	114,460
OHIO POWER COMPANY
CURRENT ASSETS
Cash and Cash Equivalents	5	5
Accounts Receivable:
Customers	121	109
Affiliated Companies	194	132
Accrued Unbilled Revenues	0	29
Total Accounts Receivable	315	270
Materials and Supplies	193	191
Prepayments and Other Current Assets	22	25
TOTAL CURRENT ASSETS	535	491
PROPERTY, PLANT AND EQUIPMENT
Transmission	3,961	3,916
Distribution	7,760	7,661
Other Property, Plant and Equipment	1,300	1,289
Construction Work in Progress	853	811
Total Property, Plant and Equipment	13,874	13,677
Accumulated Depreciation and Amortization	3,010	2,993
TOTAL PROPERTY, PLANT AND EQUIPMENT – NET	10,864	10,684
OTHER NONCURRENT ASSETS
Regulatory Assets	384	326
Prepayments & Other Current Assets	47	50
Deferred Charges and Other Noncurrent Assets	560	659
TOTAL OTHER NONCURRENT ASSETS	991	1,035
TOTAL ASSETS	12,390	12,210
CURRENT LIABILITIES
Advances from Affiliates	139	79
Risk Management Liabilities	4	5
Customer Deposits	116	108
Accrued Taxes	664	858
Obligations Under Operating Leases	13	13
Other Current Liabilities	214	239
TOTAL CURRENT LIABILITIES	1,734	1,890
NONCURRENT LIABILITIES
Long-term Debt	3,719	3,718
Long-term Risk Management Liabilities	28	28
Deferred Income Taxes	1,336	1,268
Regulatory Liabilities and Deferred Investment Tax Credits	906	893
Obligations Under Operating Leases	34	37
Deferred Credits and Other Noncurrent Liabilities	326	225
TOTAL NONCURRENT LIABILITIES	6,349	6,169
TOTAL LIABILITIES	8,083	8,059
Rate Matters (Note 4)
Commitments, Guarantees and Contingencies (Note 5)
COMMON SHAREHOLDER’S EQUITY
Common Stock	321	321
Paid-in Capital	1,069	1,030
Retained Earnings	2,917	2,800
TOTAL COMMON SHAREHOLDER’S EQUITY	4,307	4,151
TOTAL LIABILITIES AND EQUITY	12,390	12,210
OHIO POWER COMPANY | Nonrelated Party
CURRENT LIABILITIES
Accounts Payable	376	391
OHIO POWER COMPANY | Affiliated Entity
CURRENT LIABILITIES
Accounts Payable	$ 208	$ 197