Segment Information

3 Months Ended

Mar. 31, 2022

Segment Reporting [Abstract]

Segment Information

14.Segment Information - MGE Energy and MGE.

MGE Energy operates in the following business segments: electric utility, gas utility, nonregulated energy, transmission investment, and all other. See the 2021 Annual Report on Form 10-K for additional discussion of each of these segments.

(In thousands) MGE Energy	Electric		Gas		Non-Regulated Energy		Transmission Investment		All Others			Consolidation/ Elimination			Consolidated Total
Three Months Ended March 31, 2022
Operating revenues	$	110,089	$	98,811	$	38	$	—	$	—		$	—		$	208,938
Interdepartmental revenues		118		6,121		10,315		—		—			(16,554	)		—
Total operating revenues		110,207		104,932		10,353		—		—			(16,554	)		208,938
Equity in earnings of investments		—		—		—		2,504		—			—			2,504
Net income		14,617		12,084		5,352		1,822		545			—			34,420
Three Months Ended March 31, 2021
Operating revenues	$	100,609	$	67,270	$	36	$	—	$	—		$	—		$	167,915
Interdepartmental revenues		273		4,811		10,173		—		—			(15,257	)		—
Total operating revenues		100,882		72,081		10,209		—		—			(15,257	)		167,915
Equity in earnings of investments		—		—		—		2,444		—			—			2,444
Net income (loss)		18,024		10,556		5,194		1,778		(619	)		—			34,933

(In thousands) MGE	Electric		Gas		Non-Regulated Energy		Consolidation/ Elimination			Consolidated Total
Three Months Ended March 31, 2022
Operating revenues	$	110,089	$	98,811	$	38	$	—		$	208,938
Interdepartmental revenues		118		6,121		10,315		(16,554	)		—
Total operating revenues		110,207		104,932		10,353		(16,554	)		208,938
Net income attributable to MGE		14,617		12,084		5,352		(4,756	)		27,297
Three Months Ended March 31, 2021
Operating revenues	$	100,609	$	67,270	$	36	$	—		$	167,915
Interdepartmental revenues		273		4,811		10,173		(15,257	)		—
Total operating revenues		100,882		72,081		10,209		(15,257	)		167,915
Net income attributable to MGE		18,024		10,556		5,194		(5,501	)		28,273