Madison Gas and Electric Company Consolidated Statements of Income (Unaudited) (USD $) In Thousands, 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
Income tax provision	13,678	9,862
Total Operating Expenses	129,609	120,815
Operating Income	37,628	28,444
Other Income and Deductions:
Equity in earnings in ATC	2,396	2,242
Total Other Income and Deductions	3,309	2,570
Interest Expense:
Net Interest Expense	4,675	5,104
Net Income (Loss)	22,584	16,048
MGE [Member]
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	41,504	42,528
Depreciation and amortization	9,624	9,624
Other general taxes	4,679	5,000
Income tax provision	12,870	8,969
Total Operating Expenses	142,334	129,363
Operating Income	24,903	19,896
Other Income and Deductions:
AFUDC - equity funds	596	154
Equity in earnings in ATC	2,396	2,242
Income tax provision	(781)	(993)
Other income, net	141	56
Total Other Income and Deductions	2,352	1,459
Income before interest expense	27,255	21,355
Interest Expense:
Interest on long-term debt	4,928	5,197
Other interest, net	(37)	7
AFUDC - borrowed funds	(196)	(63)
Net Interest Expense	4,695	5,141
Net Income Including Noncontrolling Interest	22,560	16,214
Less Net Income Attributable to Noncontrolling Interest, net of tax	(6,826)	(6,072)
Net Income (Loss)	$ 15,734	$ 10,142