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v3.22.4

CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Operating revenues |  |
Sales of Electricity | $ 2,963 | $ 2,538
Other revenue | 52 | 45
Revenues | 3,015 | 2,583
Operating expenses |  |
Fuel | 615 | 466
Purchased power | 491 | 369
Operating and maintenance | 827 | 780
Depreciation and amortization | 533 | 510
Tax equivalents | 151 | 133
Total operating expenses | 2,617 | 2,258
Operating income | 398 | 325
Other income (expense), net | 16 | 14
Defined Benefit Plan, Other Cost (Credit) | 51 | 65
Interest expense |  |
Interest expense | 262 | 263
Net income (loss) | $ 101 | $ 11

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