STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating revenues
Operating revenues	$ 615.3	$ 533.1	$ 1,433.7	$ 1,397.7
Operating expenses
Electric fuel and purchased power	240.0	240.2	626.6	651.0
Operating and maintenance expenses	78.9	74.1	206.8	216.6
Demand side management expenses	4.6	4.5	12.2	12.9
Depreciation and amortization	100.2	61.3	223.3	172.3
Taxes (other than income taxes)	28.8	17.6	68.5	53.1
Total operating expenses	452.5	397.7	1,137.4	1,105.9
Operating income	162.8	135.4	296.3	291.8
Other (expense) income, net	(0.3)	1.5	(2.2)	2.4
Allowance for funds used during construction — equity	10.1	3.2	23.9	22.2
Interest charges and financing costs
Interest Expense	39.1	26.0	89.0	76.0
Allowance for funds used during construction — debt	(4.4)	(1.5)	(10.4)	(10.2)
Total interest charges and financing costs	34.7	24.5	78.6	65.8
Income before income taxes	137.9	115.6	239.4	250.6
Income tax expense (benefit)	10.8	10.5	(2.1)	32.6
Net income	$ 127.1	$ 105.1	$ 241.5	$ 218.0