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Variable Interest Entities (Tables)
12 Months Ended
Dec. 31, 2015
MGE Power Elm Road [Member]  
Variable Interest Entity [Line Items]  
Variable interest entities significant balance sheet accounts

At December 31, MGE has included the following significant accounts on its consolidated balance sheets related to its interest in this VIE:

(In thousands)20152014
Property, plant, and equipment, net$177,904$179,620
Construction work in progress2,4001,976
Affiliate receivables-1,742
Deferred income taxes40,86540,044
Long-term debt65,30567,972
Noncontrolling interest79,11372,537
MGE Power West Campus [Member]  
Variable Interest Entity [Line Items]  
Variable interest entities significant balance sheet accounts

At December 31, MGE has included the following significant accounts on its consolidated balance sheets related to its interest in this VIE:

(In thousands)20152014
Property, plant, and equipment, net$84,403$86,763
Affiliate receivables5,2955,862
Deferred income taxes19,61223,813
Long-term debt46,70348,218
Noncontrolling interest37,60330,755