Madison Gas and Electric Company Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Operating Revenues:
Electric revenues		$ 120,761	$ 119,147	$ 321,540	$ 313,452
Gas revenues		18,778	17,570	101,285	92,368
Total Operating Revenues		139,539	136,717	422,825	405,820
Operating Expenses:
Fuel for electric generation		15,829	20,505	39,938	47,567
Purchased power		15,984	9,167	48,058	38,698
Cost of gas sold		5,094	4,314	50,109	43,247
Other operations and maintenance		41,529	40,146	128,143	123,839
Depreciation and amortization		13,372	11,212	39,606	33,358
Other general taxes		4,730	4,846	14,509	14,841
Total Operating Expenses		96,538	90,190	320,363	301,550
Operating Income		43,001	46,527	102,462	104,270
Other Income and Deductions:
Equity earnings in MGE Transco		2,338	2,023	7,432	6,023
Total Other Income and Deductions		3,939	2,105	9,004	6,726
Interest Expense:
Net Interest Expense		4,727	5,038	14,507	14,995
Net Income		26,629	27,880	61,472	61,058
MGE [Member]
Operating Revenues:
Electric revenues		120,760	119,152	321,543	313,470
Gas revenues		18,779	17,576	101,294	92,390
Total Operating Revenues		139,539	136,728	422,837	405,860
Operating Expenses:
Fuel for electric generation		15,828	20,507	39,939	47,574
Purchased power		15,985	9,171	48,061	38,709
Cost of gas sold		5,094	4,320	50,117	43,269
Other operations and maintenance		41,327	40,003	127,355	123,117
Depreciation and amortization		13,372	11,212	39,606	33,334
Other general taxes		4,730	4,846	14,509	14,841
Income tax provision		14,059	14,934	32,080	32,488
Total Operating Expenses		110,395	104,993	351,667	333,332
Operating Income	[1]	29,144	31,735	71,170	72,528
Other Income and Deductions:
AFUDC - equity funds		310	253	875	777
Equity earnings in MGE Transco		0	1,451	0	5,451
Income tax provision		(663)	(606)	(754)	(2,315)
Other expense, net		1,488	(62)	1,301	(298)
Total Other Income and Deductions	[1]	1,135	1,036	1,422	3,615
Income before interest expense		30,279	32,771	72,592	76,143
Interest Expense:
Interest on long-term debt		4,995	5,079	15,051	15,284
Other interest, net		54	112	150	163
AFUDC - borrowed funds		(123)	(82)	(295)	(253)
Net Interest Expense		4,926	5,109	14,906	15,194
Net Income Including Noncontrolling Interest		25,353	27,662	57,686	60,949
Less Net Income Attributable to Noncontrolling Interest, net of tax		(5,439)	(5,695)	(16,224)	(17,899)
Net Income		$ 19,914	$ 21,967	$ 41,462	$ 43,050

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