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ACQUISITIONS - THUNDERHEAD (Details) - Thunderhead - WECI $ in Millions | 1 Months Ended |
--- | --- | ---
Aug. 31, 2019 USD ($) MW | Feb. 19, 2020 USD ($)
Business Acquisition [Line Items] |  |
Ownership interest of wind generating facility acquired | 80.00% |
Capacity of generation unit | MW | 300 |
Acquisition purchase price | $ | $ 338.0 | $ 43.0
Additional ownership interest acquired |  | 10.00%
Duration of offtake agreement for the sale of energy produced | 12 years |

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- Details
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