Noncontrolling Interest (Tables) - MGE [Member]

12 Months Ended

Dec. 31, 2020

Noncontrolling Interest [Line Items]

Noncontrolling Interest in Balance Sheet

The noncontrolling interest on MGE's consolidated balance sheets was as follows:

		As of December 31,
(In thousands)		2020		2019
MGE Power Elm Road(a)	$	96,856	$	97,172
MGE Power West Campus(a)		44,340		43,131
Total Noncontrolling Interest	$	141,196	$	140,303

Net Income Attributable to Noncontrolling Interest, Net of Tax

The net income attributable to noncontrolling interest, net of tax, was as follows:

		Years ending December 31,
(In thousands)		2020		2019		2018
MGE Power Elm Road(a)	$	15,184	$	15,153	$	15,384
MGE Power West Campus(a)		7,209		7,196		7,168
Net Income Attributable to Noncontrolling Interest, Net of Tax	$	22,393	$	22,349	$	22,552

(a)MGE Power Elm Road and MGE Power West Campus are not subsidiaries of MGE; however, they have been consolidated in the consolidated financial statements of MGE (see Footnote 3). MGE Power Elm Road and MGE Power West Campus are 100% owned by MGE Power, and MGE Power is 100% owned by MGE Energy. MGE Energy's proportionate share of the equity and net income (through its wholly owned subsidiary MGE Power) of MGE Power Elm Road and MGE Power West Campus is classified within the MGE consolidated financial statements as noncontrolling interest.