STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Operating revenues
Operating revenues	$ 498	$ 423	$ 1,432	$ 818
Operating expenses
Electric fuel and purchased power	252	199	945	386
Operating and maintenance expenses	71	58	142	128
Demand side management expenses	4	4	8	8
Depreciation and amortization	78	64	156	123
Taxes (other than income taxes)	18	18	39	40
Total operating expenses	423	343	1,290	685
Operating income	75	80	142	133
Other income (expense), net	0	0	1	(2)
Allowance for funds used during construction — equity	1	8	2	14
Interest charges and financing costs
Interest Expense	29	25	59	50
Allowance for funds used during construction — debt	(1)	(3)	(1)	(6)
Total interest charges and financing costs	28	22	58	44
Income before income taxes	48	66	87	101
Income tax benefit	(20)	(6)	(39)	(13)
Net income	68	72	126	114
Debt Related Commitment Fees and Debt Issuance Costs	$ 1	$ 1	$ 2	$ 2