Madison Gas and Electric Company Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Other comprehensive income/(loss), net of tax:
Unrealized (loss) gain on available-for-sale securities, net of tax	$ (11)	$ (46)	$ (95)	$ (39)
Comprehensive Income	13,468	14,041	31,662	41,765
MGE [Member]
Net Income	13,518	14,143	31,829	41,786
Other comprehensive income/(loss), net of tax:
Unrealized (loss) gain on available-for-sale securities, net of tax	(27)	(116)	(109)	(98)
Total comprehensive income including noncontrolling interest	13,491	14,027	31,720	41,688
Less: Comprehensive income attributable to Noncontrolling Interest, net of tax	(6,626)	(6,621)	(13,179)	(13,131)
Comprehensive Income	$ 6,865	$ 7,406	$ 18,541	$ 28,557