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v3.3.1.900

Variable Interest Entities (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 USD ($) MW | Dec. 31, 2014 USD ($) MW
Significant Balance Sheet Accounts Related to Interests in Variable Interest Entities |  |  |
Property, plant, and equipment, net |  | $ 1,217,094 | $ 1,189,077
Construction work in progress |  | 26,351 | 19,029
Accrued interest and taxes |  | $ 5,067 | $ 5,086
Other Variable Interest Entities |  |  |
Other variable interest entities, purchase power agreement, plant capacity (in MW) | MW |  | 61 | 61
MGE Power Elm Road [Member] |  |  |
Significant Balance Sheet Accounts Related to Interests in Variable Interest Entities |  |  |
Property, plant, and equipment, net |  | $ 177,904 | $ 179,620
Construction work in progress |  | 2,400 | 1,976
Affiliate receivables, current and noncurrent |  | 0 | 1,742
Deferred income taxes |  | 40,865 | 40,044
Long-term debt, gross, current and noncurrent |  | 65,305 | 67,972
Noncontrolling interest | [1] | 79,113 | 72,537
Total carrying costs |  | 62,500 |
Total capitalized interest |  | 17,000 |
Total capitalized cost of equity |  | $ 45,500 |
Carrying cost rate recovery period |  | 6 years |
MGE Power Elm Road [Member] | Minimum [Member] |  |  |
Significant Balance Sheet Accounts Related to Interests in Variable Interest Entities |  |  |
Debt service coverage ratio |  | 1.25 |
MGE Power West Campus [Member] |  |  |
Significant Balance Sheet Accounts Related to Interests in Variable Interest Entities |  |  |
Property, plant, and equipment, net |  | $ 84,403 | 86,763
Affiliate receivables, current and noncurrent |  | 5,295 | 5,862
Deferred income taxes |  | 19,612 | 23,813
Long-term debt, gross, current and noncurrent |  | 46,703 | 48,218
Noncontrolling interest | [1] | 37,603 | $ 30,755
Carrying costs recovered |  | $ 12,100 |
Carrying cost rate recovery period |  | 10 years |
MGE Power West Campus [Member] | Minimum [Member] |  |  |
Significant Balance Sheet Accounts Related to Interests in Variable Interest Entities |  |  |
Debt service coverage ratio |  | 1.25 |
MGE Power West Campus [Member] | Maximum [Member] |  |  |
Significant Balance Sheet Accounts Related to Interests in Variable Interest Entities |  |  |
Debt to total capitalization ratio |  | 0.65 |
[1] | MGE Power Elm Road and MGE Power West Campus are not su bsidiaries of MGE; however, they have been consolidated in the consolidated financial statements of MGE (see Footnote 2). 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.

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