CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating revenues
Electric	$ 920	$ 828
Natural gas	811	578
Other	16	17
Total operating revenues	1,747	1,423
Operating expenses
Electric fuel and purchased power	382	344
Cost of natural gas sold and transported	501	329
Cost of sales — other	5	5
Operating and maintenance expenses	230	216
Demand side management expenses	36	34
Depreciation and amortization	228	193
Taxes (other than income taxes)	73	65
Total operating expenses	1,455	1,186
Operating income	292	237
Other income, net	1	0
Allowance for funds used during construction — equity	7	6
Interest charges and financing costs
Interest charges — includes other financing costs of $2	73	60
Allowance for funds used during construction — debt	(4)	(2)
Total interest charges and financing costs	69	58
Income before income taxes	231	185
Income tax expense	17	9
Net income	$ 214	$ 176