STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Operating revenues
Operating revenues	$ 575	$ 615	$ 2,007	$ 1,434
Operating expenses
Electric fuel and purchased power	250	240	1,195	627
Operating and maintenance expenses	66	78	208	207
Demand side management expenses	5	5	13	12
Depreciation and amortization	71	100	227	223
Taxes (other than income taxes)	20	29	59	68
Total operating expenses	412	452	1,702	1,137
Operating income	163	163	305	297
Other income (expense), net	0	0	1	(2)
Allowance for funds used during construction — equity	1	10	3	24
Interest charges and financing costs
Interest Expense	28	39	87	89
Allowance for funds used during construction — debt	0	(4)	(1)	(10)
Total interest charges and financing costs	28	35	86	79
Income before income taxes	136	138	223	240
Income tax expense (benefit)	2	11	(37)	(2)
Net income	$ 134	$ 127	$ 260	$ 242