MGE Energy Inc Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating Revenues:
Regulated electric revenues	$ 93,494	$ 89,936
Regulated gas revenues	72,467	57,019
Nonregulated revenues	1,276	2,304
Total Operating Revenues	167,237	149,259
Operating Expenses:
Fuel for electric generation	10,760	8,851
Purchased power	18,205	19,546
Cost of gas sold	44,692	34,845
Other operations and maintenance	41,649	42,949
Depreciation and amortization	9,624	9,624
Other general taxes	4,679	5,000
Total Operating Expenses	129,609	120,815
Operating Income	37,628	28,444
Other income, net	3,309	2,570
Interest expense, net	(4,675)	(5,104)
Income before income taxes	36,262	25,910
Income tax provision	(13,678)	(9,862)
Net Income (Loss)	$ 22,584	$ 16,048
Earnings Per Share of Common Stock (basic and diluted)	$ 0.98	$ 0.69
Dividends per share of common stock	$ 0.395	$ 0.383
Average Shares Outstanding (basic and diluted)	23,114	23,114