MGE Energy Inc Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating Revenues:
Regulated electric revenues	$ 412,528	$ 394,849	$ 403,957
Regulated gas revenues	143,737	221,720	181,462
Nonregulated revenues	7,763	3,283	5,468
Total Operating Revenues	564,028	619,852	590,887
Operating Expenses:
Fuel for electric generation	53,858	42,828	46,062
Purchased power	81,224	73,232	80,830
Cost of gas sold	76,109	143,644	107,315
Other operations and maintenance	164,478	161,703	171,248
Depreciation and amortization	44,225	40,695	38,838
Other general taxes	19,879	19,652	18,607
Total Operating Expenses	439,773	481,754	462,900
Operating Income (Loss)	124,255	138,098	127,987
Other income, net	8,613	10,079	10,701
Interest expense, net	(20,162)	(19,673)	(18,924)
Income before income taxes	112,706	128,504	119,764
Income tax provision	(41,363)	(48,185)	(44,859)
Net Income	$ 71,343	$ 80,319	$ 74,905
Earnings Per Share of Common Stock (basic and diluted)	$ 2.06	$ 2.32	$ 2.16
Dividends per share of common stock	$ 1.16	$ 1.11	$ 1.07
Weighted Average Shares Outstanding (basic and diluted)	34,668	34,668	34,668