v3.26.1
CONDENSED STATEMENTS OF INCOME - PSO - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
REVENUES        
TOTAL REVENUES $ 5,445 $ 5,087 $ 11,465 $ 10,550
EXPENSES        
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation 1,603 1,541 3,721 3,394
Other Operation 814 538 1,564 1,290
Maintenance 444 390 855 709
Depreciation and Amortization 910 854 1,817 1,687
Taxes Other Than Income Taxes 427 365 870 787
TOTAL EXPENSES 4,198 3,688 8,858 7,867
OPERATING INCOME 1,247 1,399 2,607 2,683
Other Income (Expense):        
Allowance for Equity Funds Used During Construction 75 57 145 114
Non-Service Cost Components of Net Periodic Benefit Cost 19 35 57 70
Interest Expense (585) (489) (1,137) (984)
INCOME (LOSS) BEFORE INCOME TAX EXPENSE (BENEFIT) 770 1,017 1,692 1,906
Income Tax Expense (Benefit) 52 (251) 96 (126)
PUBLIC SERVICE COMPANY OF OKLAHOMA        
REVENUES        
TOTAL REVENUES 521 469 960 863
EXPENSES        
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation 180 172 344 301
Other Operation 138 123 265 224
Maintenance 41 30 80 58
Depreciation and Amortization 74 67 147 136
Taxes Other Than Income Taxes 22 20 45 38
TOTAL EXPENSES 455 412 881 757
OPERATING INCOME 66 57 79 106
Other Income (Expense):        
Interest Income 0 0 0 2
Allowance for Equity Funds Used During Construction 2 3 5 6
Non-Service Cost Components of Net Periodic Benefit Cost (3) 2 (1) 4
Interest Expense (43) (29) (86) (59)
INCOME (LOSS) BEFORE INCOME TAX EXPENSE (BENEFIT) 22 33 (3) 59
Income Tax Expense (Benefit) (32) (30) (72) (32)
NET INCOME 54 63 69 91
Electric Generation, Transmission and Distribution | PUBLIC SERVICE COMPANY OF OKLAHOMA        
REVENUES        
TOTAL REVENUES 517 466 951 856
Sales to AEP Affiliates | PUBLIC SERVICE COMPANY OF OKLAHOMA        
REVENUES        
TOTAL REVENUES 4 1 8 2
Other Revenues        
REVENUES        
TOTAL REVENUES 134 158 264 290
Other Revenues | PUBLIC SERVICE COMPANY OF OKLAHOMA        
REVENUES        
TOTAL REVENUES $ 0 $ 2 $ 1 $ 5