MGE Energy Inc Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Revenues:
Regulated electric revenues	$ 403,957	$ 392,365	$ 375,858
Regulated gas revenues	181,462	139,727	165,271
Nonregulated revenues	5,468	9,231	5,253
Total Operating Revenues	590,887	541,323	546,382
Operating Expenses:
Fuel for electric generation	46,062	46,499	50,819
Purchased power	80,830	73,842	64,085
Cost of gas sold	107,315	78,156	99,465
Other operations and maintenance	171,248	172,996	165,859
Depreciation and amortization	38,838	38,707	40,942
Other general taxes	18,607	18,360	17,344
Total Operating Expenses	462,900	428,560	438,514
Operating Income	127,987	112,763	107,868
Other income, net	10,701	10,069	9,214
Interest expense, net	(18,924)	(19,467)	(20,162)
Income before income taxes	119,764	103,365	96,920
Income tax provision	(44,859)	(38,919)	(35,992)
Net Income	$ 74,905	$ 64,446	$ 60,928
Earnings Per Share of Common Stock (basic and diluted)	$ 2.16	$ 1.86	$ 1.76
Dividends per share of common stock	$ 1.07	$ 1.04	$ 1.01
Weighted Average Shares Outstanding (basic and diluted)	34,668	34,668	34,668