MGE Energy Inc Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Operating Revenues:
Electric revenues	$ 120,761	$ 119,147	$ 321,540	$ 313,452
Gas revenues	18,778	17,570	101,285	92,368
Total Operating Revenues	139,539	136,717	422,825	405,820
Operating Expenses:
Fuel for electric generation	15,829	20,505	39,938	47,567
Purchased power	15,984	9,167	48,058	38,698
Cost of gas sold	5,094	4,314	50,109	43,247
Other operations and maintenance	41,529	40,146	128,143	123,839
Depreciation and amortization	13,372	11,212	39,606	33,358
Other general taxes	4,730	4,846	14,509	14,841
Total Operating Expenses	96,538	90,190	320,363	301,550
Operating Income	43,001	46,527	102,462	104,270
Other income, net	3,939	2,105	9,004	6,726
Interest expense, net	(4,727)	(5,038)	(14,507)	(14,995)
Income before income taxes	42,213	43,594	96,959	96,001
Income tax provision	(15,584)	(15,714)	(35,487)	(34,943)
Net Income	$ 26,629	$ 27,880	$ 61,472	$ 61,058
Earnings Per Share of Common Stock (basic and diluted)	$ 0.77	$ 0.80	$ 1.77	$ 1.76
Dividends per share of common stock	$ 0.323	$ 0.308	$ 0.938	$ 0.898
Weighted Average Shares Outstanding (basic and diluted)	34,668	34,668	34,668	34,668