Madison Gas and Electric Company Consolidated Statements of Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Operating Revenues:
Electric revenues	$ 97,077,000	$ 99,282,000	$ 194,546,000	$ 194,149,000
Gas revenue	25,070,000	24,980,000	95,170,000	87,745,000
Total Operating Revenues	122,147,000	124,262,000	289,716,000	281,894,000
Operating Expenses:
Fuel for electric generation	10,403,000	15,251,000	24,320,000	27,151,000
Purchased power	11,036,000	12,979,000	21,887,000	30,012,000
Cost of gas sold	8,875,000	9,562,000	52,128,000	49,188,000
Other operations and maintenance	48,974,000	43,453,000	95,910,000	87,846,000
Depreciation and amortization	18,091,000	13,872,000	35,230,000	27,495,000
Other general taxes	4,985,000	4,914,000	9,948,000	9,783,000
Total Operating Expenses	102,364,000	100,031,000	239,423,000	231,475,000
Operating Income	19,783,000	24,231,000	50,293,000	50,419,000
Other income, net	5,019,000	4,731,000	9,870,000	9,650,000
Interest expense, net	(5,749,000)	(4,783,000)	(11,396,000)	(9,522,000)
Income before income taxes	19,053,000	24,179,000	48,767,000	50,547,000
Income tax provision	(3,505,000)	(5,828,000)	(9,213,000)	(12,195,000)
Net Income	15,548,000	18,351,000	39,554,000	38,352,000
MGE [Member]
Operating Revenues:
Electric revenues	97,077,000	99,282,000	194,546,000	194,149,000
Gas revenue	25,070,000	24,980,000	95,170,000	87,745,000
Total Operating Revenues	122,147,000	124,262,000	289,716,000	281,894,000
Operating Expenses:
Fuel for electric generation	10,403,000	15,251,000	24,320,000	27,151,000
Purchased power	11,036,000	12,979,000	21,887,000	30,012,000
Cost of gas sold	8,875,000	9,562,000	52,128,000	49,188,000
Other operations and maintenance	48,673,000	43,001,000	95,335,000	87,188,000
Depreciation and amortization	18,091,000	13,872,000	35,230,000	27,495,000
Other general taxes	4,985,000	4,914,000	9,948,000	9,783,000
Total Operating Expenses	102,063,000	99,579,000	238,848,000	230,817,000
Operating Income	20,084,000	24,683,000	50,868,000	51,077,000
Other income, net	2,958,000	2,314,000	5,165,000	4,811,000
Interest expense, net	(6,133,000)	(5,173,000)	(12,128,000)	(10,227,000)
Income before income taxes	16,909,000	21,824,000	43,905,000	45,661,000
Income tax provision	(2,966,000)	(5,221,000)	(7,892,000)	(10,802,000)
Net Income Including Noncontrolling Interest	13,943,000	16,603,000	36,013,000	34,859,000
Less Net Income Attributable to Noncontrolling Interest, net of tax	(5,621,000)	(5,505,000)	(11,111,000)	(11,311,000)
Net Income	$ 8,322,000	$ 11,098,000	$ 24,902,000	$ 23,548,000