Madison Gas and Electric Company Consolidated Statements of Income (USD $) In Thousands, 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 and Deductions:
Equity in earnings in ATC	9,434		9,079		8,615
Total Other Income and Deductions	10,701		10,069		9,214
Interest Expense:
Net Interest Expense	18,924		19,467		20,162
Net Income	74,905		64,446		60,928
MGE [Member]
Operating Revenues:
Regulated electric revenues	403,980		392,365		375,858
Regulated gas revenues	181,477		139,727		165,271
Nonregulated revenues	5,468		9,231		5,253
Total Operating Revenues	590,925		541,323		546,382
Operating Expenses:
Fuel for electric generation	46,070		46,499		50,819
Purchased power	80,844		73,842		64,085
Cost of gas sold	107,330		78,156		99,465
Other operations and maintenance	170,498		171,965		164,903
Depreciation and amortization	38,834		38,707		40,942
Other general taxes	18,607		18,360		17,344
Income tax provision	41,519		35,334		32,287
Total Operating Expenses	503,702		462,863		469,845
Operating Income	87,223	[1]	78,460	[1]	76,537	[1]
Other Income and Deductions:
AFUDC - equity funds	3,140		1,731		413
Equity in earnings in ATC	9,434		9,079		8,615
Income tax provision	(4,303)		(4,101)		(3,752)
Other deductions, net	(18)		(263)		(321)
Total Other Income and Deductions	8,253	[1]	6,446	[1]	4,955	[1]
Income before interest expense	95,476		84,906		81,492
Interest Expense:
Interest on long-term debt	20,087		20,386		20,634
Other interest, net	(21)		(82)		(226)
AFUDC - borrowed funds	(1,035)		(704)		(168)
Net Interest Expense	19,031		19,600		20,240
Net Income Including Noncontrolling Interest	76,445		65,306		61,252
Less Net Income Attributable to Noncontrolling Interest, net of tax	(27,438)		(24,489)		(23,970)
Net Income	$ 49,007		$ 40,817		$ 37,282

[1] *Amounts are shown net of the related tax expense, consistent with the presentation on the consolidated MGE Income Statement.