Segment Information (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Segment Information

The following tables show segment information for MGE Energy's operations for the indicated periods:

(In thousands)MGE Energy		Electric		Gas		Nonregulated Energy		Transmission Investment		All Others		Consolidation/ Elimination Entries		Consolidated Total
Three Months Ended September 30, 2018
Operating revenues	$	119,175	$	18,407	$	213	$	-	$	-	$	-	$	137,795
Interdepartmental revenues		(20)		4,219		9,912		-		-		(14,111)		-
Total operating revenues		119,155		22,626		10,125		-		-		(14,111)		137,795
Depreciation and amortization		(9,864)		(2,534)		(1,861)		-		-		-		(14,259)
Other operating expenses		(77,847)		(19,824)		(36)		(4)		(138)		14,111		(83,738)
Operating income (loss)		31,444		268		8,228		(4)		(138)		-		39,798
Other income, net		1,763		829		-		1,620		118		-		4,330
Interest (expense) income, net		(3,217)		(963)		(1,320)		-		475		-		(5,025)
Income before taxes		29,990		134		6,908		1,616		455		-		39,103
Income tax (provision) benefit		(7,306)		42		(1,852)		(441)		(40)		-		(9,597)
Net income	$	22,684	$	176	$	5,056	$	1,175	$	415	$	-	$	29,506
Three Months Ended September 30, 2017
Operating revenues	$	120,649	$	18,778	$	112	$	-	$	-	$	-	$	139,539
Interdepartmental revenues		(110)		3,892		11,130		-		-		(14,912)		-
Total operating revenues		120,539		22,670		11,242		-		-		(14,912)		139,539
Depreciation and amortization		(9,256)		(2,258)		(1,858)		-		-		-		(13,372)
Other operating expenses(a)		(79,506)		(19,324)		(50)		(9)		(193)		14,912		(84,170)
Operating income (loss)		31,777		1,088		9,334		(9)		(193)		-		41,997
Other income (deductions), net(a)		2,060		742		-		2,258		(117)		-		4,943
Interest (expense) income, net		(2,760)		(795)		(1,371)		-		199		-		(4,727)
Income (loss) before taxes		31,077		1,035		7,963		2,249		(111)		-		42,213
Income tax (provision) benefit		(11,175)		(351)		(3,196)		(906)		44		-		(15,584)
Net income (loss)	$	19,902	$	684	$	4,767	$	1,343	$	(67)	$	-	$	26,629
Nine Months Ended September 30, 2018
Operating revenues	$	312,633	$	106,152	$	904	$	-	$	-	$	-	$	419,689
Interdepartmental revenues		(234)		12,059		29,579		-		-		(41,404)		-
Total operating revenues		312,399		118,211		30,483		-		-		(41,404)		419,689
Depreciation and amortization		(28,817)		(7,374)		(5,563)		-		-		-		(41,754)
Other operating expenses		(228,957)		(99,251)		(113)		(12)		(789)		41,404		(287,718)
Operating income (loss)		54,625		11,586		24,807		(12)		(789)		-		90,217
Other income, net		5,055		2,347		-		5,908		670		-		13,980
Interest (expense) income, net		(9,036)		(2,689)		(4,002)		-		1,180		-		(14,547)
Income before taxes		50,644		11,244		20,805		5,896		1,061		-		89,650
Income tax provision		(11,492)		(2,788)		(5,638)		(1,611)		(263)		-		(21,792)
Net income	$	39,152	$	8,456	$	15,167	$	4,285	$	798	$	-	$	67,858
Nine Months Ended September 30, 2017
Operating revenues	$	321,279	$	101,285	$	261	$	-	$	-	$	-	$	422,825
Interdepartmental revenues		(334)		11,708		33,307		-		-		(44,681)		-
Total operating revenues		320,945		112,993		33,568		-		-		(44,681)		422,825
Depreciation and amortization		(27,341)		(6,703)		(5,562)		-		-		-		(39,606)
Other operating expenses(a)		(233,714)		(93,817)		(153)		(9)		(779)		44,681		(283,791)
Operating income (loss)		59,890		12,473		27,853		(9)		(779)		-		99,428
Other income (deductions), net(a)		3,708		1,502		-		7,242		(414)		-		12,038
Interest (expense) income, net		(8,337)		(2,399)		(4,170)		-		399		-		(14,507)
Income (loss) before taxes		55,261		11,576		23,683		7,233		(794)		-		96,959
Income tax (provision) benefit		(18,753)		(4,576)		(9,505)		(2,909)		256		-		(35,487)
Net income (loss)	$	36,508	$	7,000	$	14,178	$	4,324	$	(538)	$	-	$	61,472
(a) Reflects retrospective application of new accounting pronouncement related to pension and other postretirement benefits, see Footnote 2 for further information.

The following tables show segment information for MGE's operations for the indicated periods:

(In thousands)MGE		Electric		Gas		Nonregulated Energy		Consolidation/ Elimination Entries		Consolidated Total
Three Months Ended September 30, 2018
Operating revenues	$	119,175	$	18,407	$	213	$	-	$	137,795
Interdepartmental revenues		(20)		4,219		9,912		(14,111)		-
Total operating revenues		119,155		22,626		10,125		(14,111)		137,795
Depreciation and amortization		(9,864)		(2,534)		(1,861)		-		(14,259)
Other operating expenses(b)		(85,127)		(19,739)		(1,888)		14,111		(92,643)
Operating income(b)		24,164		353		6,376		-		30,893
Other income, net(b)		1,737		786		-		-		2,523
Interest expense, net		(3,217)		(963)		(1,320)		-		(5,500)
Net income		22,684		176		5,056		-		27,916
Less: Net income attributable to
noncontrolling interest, net of tax		-		-		-		(5,629)		(5,629)
Net income attributable to MGE	$	22,684	$	176	$	5,056	$	(5,629)	$	22,287
Three Months Ended September 30, 2017
Operating revenues	$	120,648	$	18,779	$	112	$	-	$	139,539
Interdepartmental revenues		(109)		3,891		11,130		(14,912)		-
Total operating revenues		120,539		22,670		11,242		(14,912)		139,539
Depreciation and amortization		(9,256)		(2,258)		(1,858)		-		(13,372)
Other operating expenses(a), (b)		(90,164)		(19,529)		(3,246)		14,912		(98,027)
Operating income(b)		21,119		883		6,138		-		28,140
Other income, net(a), (b)		1,543		596		-		-		2,139
Interest expense, net		(2,760)		(795)		(1,371)		-		(4,926)
Net income		19,902		684		4,767		-		25,353
Less: Net income attributable to
noncontrolling interest, net of tax		-		-		-		(5,439)		(5,439)
Net income attributable to MGE	$	19,902	$	684	$	4,767	$	(5,439)	$	19,914
Nine Months Ended September 30, 2018
Operating revenues	$	312,633	$	106,152	$	904	$	-	$	419,689
Interdepartmental revenues		(234)		12,059		29,579		(41,404)		-
Total operating revenues		312,399		118,211		30,483		(41,404)		419,689
Depreciation and amortization		(28,817)		(7,374)		(5,563)		-		(41,754)
Other operating expenses(b)		(240,333)		(101,938)		(5,751)		41,404		(306,618)
Operating income(b)		43,249		8,899		19,169		-		71,317
Other income, net(b)		4,939		2,246		-		-		7,185
Interest expense, net		(9,036)		(2,689)		(4,002)		-		(15,727)
Net income		39,152		8,456		15,167		-		62,775
Less: Net income attributable to
noncontrolling interest, net of tax		-		-		-		(16,940)		(16,940)
Net income attributable to MGE	$	39,152	$	8,456	$	15,167	$	(16,940)	$	45,835
Nine Months Ended September 30, 2017
Operating revenues	$	321,282	$	101,294	$	261	$	-	$	422,837
Interdepartmental revenues		(337)		11,699		33,307		(44,669)		-
Total operating revenues		320,945		112,993		33,568		(44,669)		422,837
Depreciation and amortization		(27,341)		(6,703)		(5,562)		-		(39,606)
Other operating expenses(a), (b)		(251,879)		(98,227)		(9,658)		44,669		(315,095)
Operating income(b)		41,725		8,063		18,348		-		68,136
Other income, net(a), (b)		3,120		1,336		-		-		4,456
Interest expense, net		(8,337)		(2,399)		(4,170)		-		(14,906)
Net income		36,508		7,000		14,178		-		57,686
Less: Net income attributable to
noncontrolling interest, net of tax		-		-		-		(16,224)		(16,224)
Net income attributable to MGE	$	36,508	$	7,000	$	14,178	$	(16,224)	$	41,462
(a) Reflects retrospective application of new accounting pronouncement related to pension and other postretirement benefits, see Footnote 2 for further information.
(b) Amounts are shown net of the related tax expense, consistent with the presentation on the MGE Consolidated Statements of Income.

The following table shows segment information for assets and capital expenditures:
		Utility						Consolidated
(In thousands)MGE Energy		Electric		Gas		Assets not Allocated		Non-regulated Energy		Transmission Investment		All Others		Consolidation/ Elimination Entries		Total
Assets:
September 30, 2018	$	1,141,370	$	345,349	$	64,016	$	264,735	$	64,722	$	472,740	$	(378,635)	$	1,974,297
December 31, 2017		1,043,181		344,337		26,345		270,384		61,783		485,548		(376,396)		1,855,182
Capital Expenditures:
Nine Months Ended Sept. 30, 2018	$	122,108	$	22,406	$	-	$	4,487	$	-	$	-	$	-	$	149,001
Year ended Dec. 31, 2017		77,353		26,847		-		3,931		-		-		-		108,131

		Utility						Consolidated
(In thousands)MGE		Electric		Gas		Assets not Allocated		Non-regulated Energy		Elimination Entries		Total
Assets:
September 30, 2018	$	1,141,370	$	345,349	$	64,016	$	264,685	$	(1,176)	$	1,814,244
December 31, 2017		1,043,181		344,337		26,345		270,334		(156)		1,684,041
Capital Expenditures:
Nine Months Ended Sept. 30, 2018	$	122,108	$	22,406	$	-	$	4,487	$	-	$	149,001
Year ended Dec. 31, 2017		77,353		26,847		-		3,931		-		108,131