Madison Gas and Electric Company Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Other comprehensive income/(loss), net of tax:
Unrealized (loss) gain on available-for-sale securities, net of tax	$ (85)	$ 7
Comprehensive Income	18,193us-gaap_ComprehensiveIncomeNetOfTax	27,724us-gaap_ComprehensiveIncomeNetOfTax
MGE [Member]
Net Income	18,311	27,643
Other comprehensive income/(loss), net of tax:
Unrealized (loss) gain on available-for-sale securities, net of tax	(82)	18
Total comprehensive income including noncontrolling interest	18,229	27,661
Less: Comprehensive income attributable to Noncontrolling Interest, net of tax	(6,553)	(6,510)
Comprehensive Income	$ 11,676	$ 21,151

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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