CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022		Sep. 30, 2021
Operating revenues
Electric, non-affiliates	$ 223	$ 203	$ 617		$ 559
Electric, affiliates	51	49	150		141
Natural gas	20	22	133		110
Total operating revenues	294	274	900	[1]	810	[1]
Operating expenses
Electric fuel and purchased power, non-affiliates	5	5	13		15
Purchased power, affiliates	115	106	343		312
Cost of natural sold and transported	10	13	75		64
O&M expenses	53	47	160		146
Conservation program expenses	4	4	10		10
Depreciation and amortization	39	37	117		110
Taxes (other than income taxes)	8	7	23		22
Total operating expenses	234	219	741		679
Operating income	60	55	159		131
Other expense, net	(1)	(1)	(2)		(1)
Allowance for funds used during construction — equity	2	2	5		4
Interest charges and financing costs
Interest charges, includes other financing costs of $—, $—, $1 and $—, respectively	11	10	33		31
Allowance for funds used during construction — debt	(1)	0	(2)		(1)
Total interest charges and financing costs	10	10	31		30
Income before income taxes	51	46	131		104
Income tax expense	11	10	29		22
Net income	$ 40	$ 36	$ 102		$ 82

[1] Total revenues include $150 million and $141 million of affiliate electric revenue for the nine months ended Sept. 30, 2022 and 2021, respectively