CONSOLIDATED BALANCE SHEETS - OPCo - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
CURRENT ASSETS
Cash and Cash Equivalents	$ 202.9	$ 330.1
Accounts Receivable:
Customers	1,100.1	1,029.9
Accrued Unbilled Revenues	367.0	179.5
Miscellaneous	64.1	48.7
Total Accounts Receivable	2,631.9	2,447.4
Materials and Supplies	966.2	1,025.8
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
Distribution	31,061.9	28,989.9
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
Operating Lease Assets	580.1	620.2
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
Risk Management Liabilities	100.0	229.6
Customer Deposits	454.7	423.7
Accrued Taxes	1,922.1	1,800.1
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
Long-term Risk Management Liabilities	224.4	241.8
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)
COMMON SHAREHOLDER’S EQUITY
Common Stock	3,471.6	3,427.9
Paid-in Capital	9,606.1	9,073.9
Retained Earnings	13,869.2	12,800.4
TOTAL COMMON SHAREHOLDER’S EQUITY	26,943.8	25,246.7
TOTAL LIABILITIES, MEZZANINE EQUITY AND EQUITY	103,078.0	96,684.0
OHIO POWER COMPANY
CURRENT ASSETS
Cash and Cash Equivalents	4.5	6.4
Accounts Receivable:
Customers	189.2	39.2
Accrued Unbilled Revenues	31.1	0.0
Miscellaneous	8.6	2.3
Total Accounts Receivable	346.4	170.7
Materials and Supplies	141.4	175.0
Renewable Energy Credits	0.0	8.9
Prepayments and Other Current Assets	19.9	16.8
TOTAL CURRENT ASSETS	627.1	377.8
PROPERTY, PLANT AND EQUIPMENT
Transmission	3,663.9	3,395.1
Distribution	7,244.0	6,839.4
Other Property, Plant and Equipment	1,256.0	1,125.0
Construction Work in Progress	691.1	654.0
Total Property, Plant and Equipment	12,855.0	12,013.5
Accumulated Depreciation and Amortization	2,883.9	2,713.6
TOTAL PROPERTY, PLANT AND EQUIPMENT – NET	9,971.1	9,299.9
OTHER NONCURRENT ASSETS
Regulatory Assets	379.1	455.0
Operating Lease Assets	60.4	69.9
Deferred Charges and Other Noncurrent Assets	661.0	641.1
TOTAL OTHER NONCURRENT ASSETS	1,100.5	1,166.0
TOTAL ASSETS	11,698.7	10,843.7
CURRENT LIABILITIES
Accounts Payable	343.6	320.7
Risk Management Liabilities	7.3	6.8
Customer Deposits	108.1	62.0
Accrued Taxes	836.1	763.3
Obligations Under Operating Leases	12.3	13.5
Other Current Liabilities	182.2	183.3
TOTAL CURRENT LIABILITIES	1,694.5	1,614.3
NONCURRENT LIABILITIES
Long-term Debt	3,715.7	3,366.8
Long-term Risk Management Liabilities	40.2	43.9
Deferred Income Taxes	1,201.1	1,152.7
Regulatory Liabilities and Deferred Investment Tax Credits	987.7	1,003.6
Obligations Under Operating Leases	48.4	56.7
Deferred Credits and Other Noncurrent Liabilities	127.0	34.4
TOTAL NONCURRENT LIABILITIES	6,120.1	5,658.1
TOTAL LIABILITIES	7,814.6	7,272.4
Rate Matters (Note 4)
Commitments and Contingencies (Note 6)
COMMON SHAREHOLDER’S EQUITY
Common Stock	321.2	321.2
Paid-in Capital	1,020.0	1,012.8
Retained Earnings	2,542.9	2,237.3
TOTAL COMMON SHAREHOLDER’S EQUITY	3,884.1	3,571.3
TOTAL LIABILITIES, MEZZANINE EQUITY AND EQUITY	11,698.7	10,843.7
OHIO POWER COMPANY | Affiliated Entity
CURRENT ASSETS
Advances to Affiliates	114.9	0.0
Accounts Receivable:
Affiliated Companies	117.5	129.2
CURRENT LIABILITIES
Advances from Affiliates	0.0	110.5
Accounts Payable	$ 204.9	$ 154.2