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CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Operating revenues |  |  |  |  |
Electric |  | $ 3,638 | $ 3,393 | $ 9,351 | $ 8,737
Natural gas |  | 264 | 239 | 1,715 | 1,535
Other |  | 13 | 12 | 42 | 49
Total operating revenues |  | 3,915 | 3,644 | 11,108 | 10,321
Operating expenses |  |  |  |  |
Electric fuel and purchased power |  | 1,098 | 1,060 | 3,036 | 2,863
Cost of natural gas sold and transported |  | 61 | 63 | 708 | 664
Cost of sales — other |  | 5 | 3 | 8 | 12
Operating and maintenance expenses |  | 692 | 655 | 2,053 | 1,922
Conservation and demand side management expenses |  | 101 | 112 | 299 | 295
Depreciation and amortization |  | 750 | 681 | 2,200 | 2,042
Taxes, Other |  | 172 | 159 | 514 | 484
Marshall Wildfire litigation |  | 287 | 0 | 287 | 0
Total operating expenses |  | 3,166 | 2,733 | 9,105 | 8,282
Operating income |  | 749 | 911 | 2,003 | 2,039
Other income, net |  | 46 | 39 | 121 | 75
Earnings (loss) from equity method investments |  | 6 | 3 | (3) | 19
Allowance for funds used during construction — equity |  | 79 | 44 | 196 | 119
Interest charges and financing costs |  |  |  |  |
Interest charges — includes other financing costs |  | 384 | 326 | 1,065 | 936
Allowance for funds used during construction — debt |  | (36) | (21) | (86) | (51)
Total interest charges and financing costs |  | 348 | 305 | 979 | 885
Income before income taxes |  | 532 | 692 | 1,338 | 1,367
Income tax expense (benefit) |  | 8 | 10 | (113) | (105)
Net income |  | $ 524 | $ 682 | $ 1,451 | $ 1,472
Weighted average common shares outstanding: |  |  |  |  |
Basic (in shares) |  | 592 | 564 | 584 | 559
Diluted (in shares) | [1] | 595 | 565 | 587 | 559
Earnings per average common share: |  |  |  |  |
Basic (in dollars per share) |  | $ 0.88 | $ 1.21 | $ 2.48 | $ 2.63
Diluted (in dollars per share) |  | $ 0.88 | $ 1.21 | $ 2.47 | $ 2.63
[1] | Diluted common shares outstanding included common stock equivalents of 3.1 million and 0.4 million for the three months ended Sept. 30, 2025 and 2024, respectively. Diluted common shares outstanding included common stock equivalents of 2.2 million and 0.3 million for the nine months ended Sept. 30, 2025 and 2024, respectively.

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