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ACQUISITIONS - UPSTREAM ACQUISITION (Details) - Upstream - Subsequent event $ in Millions | 1 Months Ended
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Apr. 30, 2018 USD ($) MW
Business Acquisition [Line Items] |
WEC's ownership interest in Upstream Wind Energy Center | 80.00%
Capacity of Upstream Wind Energy Center | MW | 202.5
Acquisition purchase price | $ | $ 276.0
Number of years Upstream will receive fixed payment | 10 years
Federal production tax credit percent of published rate | 100.00%

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- Definition Capacity of Upstream Wind Energy Center + References No definition available. + Details
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- Definition Number of years during which Upstream Wind Energy Center will receive a fixed payment in exchange for substantially all its energy output per energy swap agreement + References No definition available. + Details
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- Details
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- Details
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