Madison Gas and Electric Company Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Other comprehensive income, net of tax:
Unrealized gain (loss) on available-for-sale securities, net of tax	$ 10	$ (11)	$ (154)	$ (95)
Comprehensive Income	16,160	13,468	33,024	31,662
MGE [Member]
Net Income	16,090	13,518	33,287	31,829
Other comprehensive income, net of tax:
Unrealized gain (loss) on available-for-sale securities, net of tax	(9)	(27)	(39)	(109)
Total comprehensive income including noncontrolling interest	16,081	13,491	33,248	31,720
Less: Comprehensive income attributable to Noncontrolling Interest, net of tax	(5,952)	(6,626)	(12,204)	(13,179)
Comprehensive Income	$ 10,129	$ 6,865	$ 21,044	$ 18,541