Segment Information (Tables)

6 Months Ended

Jun. 30, 2023

Segment Reporting [Abstract]

Segment Information

MGE Energy operates in the following business segments: electric utility, gas utility, nonregulated energy, transmission investment, and all other. See the 2022 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 June 30, 2023
Operating revenues	$	121,492		$	26,291	$	215	$	—	$	—		$	—		$	147,998
Interdepartmental revenues		193			2,770		10,195		—		—			(13,158	)		—
Total operating revenues		121,685			29,061		10,410		—		—			(13,158	)		147,998
Equity in earnings of investments		—			—		—		2,629		—			—			2,629
Net income (loss)		21,556			581		5,470		1,914		(840	)		—			28,681
Three Months Ended June 30, 2022
Operating revenues	$	111,950		$	40,184	$	214	$	—	$	—		$	—		$	152,348
Interdepartmental revenues		(66	)		8,058		10,353		—		—			(18,345	)		—
Total operating revenues		111,884			48,242		10,567		—		—			(18,345	)		152,348
Equity in earnings of investments		—			—		—		2,623		—			—			2,623
Net income		13,012			1,093		5,522		1,908		226			—			21,761
Six Months Ended June 30, 2023
Operating revenues	$	238,736		$	126,253	$	262	$	—	$	—		$	—		$	365,251
Interdepartmental revenues		141			9,431		20,745		—		—			(30,317	)		—
Total operating revenues		238,877			135,684		21,007		—		—			(30,317	)		365,251
Equity in earnings of investments		—			—		—		5,240		—			—			5,240
Net income (loss)		34,870			11,340		11,040		3,813		(1,304	)		—			59,759
Six Months Ended June 30, 2022
Operating revenues	$	222,039		$	138,995	$	252	$	—	$	—		$	—		$	361,286
Interdepartmental revenues		52			14,179		20,668		—		—			(34,899	)		—
Total operating revenues		222,091			153,174		20,920		—		—			(34,899	)		361,286
Equity in earnings of investments		—			—		—		5,127		—			—			5,127
Net income		27,629			13,177		10,874		3,730		771			—			56,181

(In thousands) MGE	Electric			Gas		Non-Regulated Energy		Consolidation/ Elimination			Consolidated Total
Three Months Ended June 30, 2023
Operating revenues	$	121,492		$	26,291	$	215	$	—		$	147,998
Interdepartmental revenues		193			2,770		10,195		(13,158	)		—
Total operating revenues		121,685			29,061		10,410		(13,158	)		147,998
Net income attributable to MGE		21,556			581		5,470		(5,375	)		22,232
Three Months Ended June 30, 2022
Operating revenues	$	111,950		$	40,184	$	214	$	—		$	152,348
Interdepartmental revenues		(66	)		8,058		10,353		(18,345	)		—
Total operating revenues		111,884			48,242		10,567		(18,345	)		152,348
Net income attributable to MGE		13,012			1,093		5,522		(5,588	)		14,039
Six Months Ended June 30, 2023
Operating revenues	$	238,736		$	126,253	$	262	$	—		$	365,251
Interdepartmental revenues		141			9,431		20,745		(30,317	)		—
Total operating revenues		238,877			135,684		21,007		(30,317	)		365,251
Net income attributable to MGE		34,870			11,340		11,040		(10,895	)		46,355
Six Months Ended June 30, 2022
Operating revenues	$	222,039		$	138,995	$	252	$	—		$	361,286
Interdepartmental revenues		52			14,179		20,668		(34,899	)		—
Total operating revenues		222,091			153,174		20,920		(34,899	)		361,286
Net income attributable to MGE		27,629			13,177		10,874		(10,344	)		41,336