STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating revenues
Operating revenues	$ 508	$ 477
Operating expenses
Electric fuel and purchased power	245	237
Operating and maintenance expenses	80	72
Demand side management expenses	6	5
Depreciation and amortization	91	78
Taxes (other than income taxes)	25	25
Total operating expenses	447	417
Operating income	61	60
Allowance for funds used during construction — equity	1	0
Interest charges and financing costs
Interest charges — includes other financing costs of $1	34	29
Allowance for funds used during construction — debt	(1)	0
Total interest charges and financing costs	33	29
Income before income taxes	29	31
Income tax benefit	(25)	(21)
Net income	$ 54	$ 52