STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating revenues
Operating revenues	$ 934	$ 395
Operating expenses
Electric fuel and purchased power	693	188
Operating and maintenance expenses	71	70
Demand side management expenses	4	4
Depreciation and amortization	78	59
Taxes (other than income taxes)	21	21
Total operating expenses	867	342
Operating income	67	53
Other income (expense), net	1	(2)
Allowance for funds used during construction — equity	1	6
Interest charges and financing costs
Interest Expense	30	24
Allowance for funds used during construction — debt	0	(3)
Total interest charges and financing costs	30	21
Income before income taxes	39	36
Income tax benefit	(19)	(7)
Net income	$ 58	$ 43