Madison Gas and Electric Company Consolidated Statements of Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Operating Revenues:
Regulated electric revenues	$ 394,849		$ 403,957		$ 392,365
Regulated gas revenues	221,720		181,462		139,727
Nonregulated revenues	3,283		5,468		9,231
Total Operating Revenues	619,852		590,887		541,323
Operating Expenses:
Fuel for electric generation	42,828		46,062		46,499
Purchased power	73,232		80,830		73,842
Cost of gas sold	143,644		107,315		78,156
Other operations and maintenance	161,703		171,248		172,996
Depreciation and amortization	40,695		38,838		38,707
Other general taxes	19,652		18,607		18,360
Total Operating Expenses	481,754		462,900		428,560
Operating Income (Loss)	138,098		127,987		112,763
Other Income and Deductions:
Equity in earnings in ATC	9,150		9,434		9,079
Total Other Income and Deductions	10,079		10,701		10,069
Interest Expense:
Net Interest Expense	19,673		18,924		19,467
Net Income	80,319		74,905		64,446
MGE [Member]
Operating Revenues:
Regulated electric revenues	394,871		403,980		392,365
Regulated gas revenues	221,741		181,477		139,727
Nonregulated revenues	3,283		5,468		9,231
Total Operating Revenues	619,895		590,925		541,323
Operating Expenses:
Fuel for electric generation	42,836		46,070		46,499
Purchased power	73,245		80,844		73,842
Cost of gas sold	143,665		107,330		78,156
Other operations and maintenance	160,831		170,498		171,965
Depreciation and amortization	40,648		38,834		38,707
Other general taxes	19,652		18,607		18,360
Income tax provision	45,090		41,519		35,334
Total Operating Expenses	525,967		503,702		462,863
Operating Income (Loss)	93,928	[1]	87,223	[1]	78,460	[1]
Other Income and Deductions:
AFUDC - equity funds	3,466		3,140		1,731
Equity in earnings in ATC	9,150		9,434		9,079
Income tax provision	(4,055)		(4,303)		(4,101)
Other deductions, net	(704)		(18)		(263)
Total Other Income and Deductions	7,857	[1]	8,253	[1]	6,446	[1]
Income before interest expense	101,785		95,476		84,906
Interest Expense:
Interest on long-term debt	20,927		20,087		20,386
Other interest, net	62		(21)		(82)
AFUDC - borrowed funds	(1,142)		(1,035)		(704)
Net Interest Expense	19,847		19,031		19,600
Net Income Including Noncontrolling Interest	81,938		76,445		65,306
Less Net Income Attributable to Noncontrolling Interest, net of tax	(26,310)		(27,438)		(24,489)
Net Income	$ 55,628		$ 49,007		$ 40,817

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