MGE Energy Inc Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017		Dec. 31, 2016
Operating Revenues:
Electric revenues	$ 402,001	$ 414,274		$ 410,202
Gas revenues	157,767	148,825		134,543
Total Operating Revenues	559,768	563,099		544,745
Operating Expenses:
Fuel for electric generation	56,141	53,029		60,736
Purchased power	50,807	58,690		56,313
Cost of gas sold	84,968	76,644		66,771
Other operations and maintenance	177,823	177,740		172,335
Depreciation and amortization	56,412	53,077		44,646
Other general taxes	19,410	19,294		20,062
Total Operating Expenses	445,561	438,474		420,863
Operating Income (Loss)	114,207	124,625		123,882
Other income, net	17,055	14,399	[1]	14,057	[1]
Interest expense, net	(19,609)	(19,324)		(19,866)
Income before income taxes	111,653	119,700		118,073
Income tax provision	(27,434)	(22,094)	[2]	(42,513)
Net Income	$ 84,219	$ 97,606		$ 75,560
Earnings Per Share of Common Stock (basic and diluted)	$ 2.43	$ 2.82		$ 2.18
Dividends per share of common stock	$ 1.32	$ 1.26		$ 1.21
Weighted Average Shares Outstanding (basic and diluted)	34,668	34,668		34,668

[1] Reflects retrospective application of new accounting pronouncement related to pension and other postretirement benefits. See Footnote 2 for further information.

[2] In December 2017, there was a $21.7 million one-time tax impact as a result of the Tax Act. See Footnote 12 for further information.