v3.19.3.a.u2

Equity method investments in unconsolidated affiliates (Details) $ in Millions | 1 Months Ended | 12 Months Ended | 41 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Nov. 30, 2017 | Dec. 31, 2019 USD ($) item | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2017 USD ($) | Jun. 18, 2018 USD ($) | Jun. 17, 2018 | Jun. 30, 2017 USD ($)
Asset acquisitions |  |  |  |  |  |  |  |
Percentage of equity method ownership interest |  |  |  |  |  | 100.00% |  |
Carrying value |  | $ 96.6 | $ 140.8 |  |  |  |  |
Equity in earnings of unconsolidated affiliates |  | (3.0) | 43.2 | $ (54.8) |  |  |  |
Distributions from equity method investments |  | 59.5 | 61.6 | 47.3 |  |  |  |
Deficit in earnings of equity method investments, net of distributions |  | $ (62.5) | (18.4) | (102.1) |  |  |  |
Frederickson |  |  |  |  |  |  |  |
Asset acquisitions |  |  |  |  |  |  |  |
Percentage of equity method ownership interest |  | 50.20% |  |  |  |  |  |
Carrying value |  | $ 65.2 | 72.0 | 108.3 | $ 108.3 |  |  |
Number of ownership parties | item |  | 2 |  |  |  |  |  |
Equity in earnings of unconsolidated affiliates |  | $ 9.1 | 6.9 | (27.9) |  |  |  |
Orlando Cogen, LP |  |  |  |  |  |  |  |
Asset acquisitions |  |  |  |  |  |  |  |
Percentage of equity method ownership interest |  | 50.00% |  |  |  |  |  |
Carrying value |  | $ 3.6 | 4.5 |  |  |  |  |
Equity in earnings of unconsolidated affiliates |  | $ 33.0 | 30.1 | 25.6 |  |  |  |
Koma Kulshan Associates |  |  |  |  |  |  |  |
Asset acquisitions |  |  |  |  |  |  |  |
Percentage of equity method ownership interest |  |  |  |  |  | 50.00% | 49.75% |
Carrying value |  |  |  |  |  | $ 1.1 |  |
Equity in earnings of unconsolidated affiliates |  |  | 0.6 | 0.7 |  |  |  |
Chambers Cogen, LP |  |  |  |  |  |  |  |
Asset acquisitions |  |  |  |  |  |  |  |
Percentage of equity method ownership interest |  | 40.00% |  |  |  |  |  |
Carrying value |  | $ 9.0 | 64.3 |  |  |  |  | $ 124.0
Equity in earnings of unconsolidated affiliates |  | $ (46.0) | $ 5.6 | (42.6) |  |  |  |
Chambers Cogen, LP | Earnings from unconsolidated affiliates |  |  |  |  |  |  |  |
Asset acquisitions |  |  |  |  |  |  |  |
Percentage of equity method ownership interest |  | 40.00% |  |  |  |  |  |
Carrying value |  | $ 58.2 |  |  |  |  |  |
Selkirk Cogen Partners, LP |  |  |  |  |  |  |  |
Asset acquisitions |  |  |  |  |  |  |  |
Equity in earnings of unconsolidated affiliates |  |  |  | (10.6) |  |  |  |
Distributions from equity method investments |  |  |  |  | 0.0 |  |  |
Deficit in earnings of equity method investments, net of distributions |  |  |  |  | $ (2.6) |  |  |
Selkirk Cogen Partners, LP | Earnings from unconsolidated affiliates |  |  |  |  |  |  |  |
Asset acquisitions |  |  |  |  |  |  |  |
Gain on sale of equity method investment |  |  |  | $ 1.0 |  |  |  |
Selkirk Cogen Partners, LP | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |
Asset acquisitions |  |  |  |  |  |  |  |
Sale of ownership percentage | 17.70% |  |  |  |  |  |  |
Craven County Wood Energy, LP |  |  |  |  |  |  |  |
Asset acquisitions |  |  |  |  |  |  |  |
Percentage of equity method ownership interest |  | 50.00% |  |  |  |  |  |
Carrying value |  | $ 9.5 |  |  |  |  |  |
Equity in earnings of unconsolidated affiliates |  | $ 0.1 |  |  |  |  |  |
Grayling Generating Station, LP |  |  |  |  |  |  |  |
Asset acquisitions |  |  |  |  |  |  |  |
Percentage of equity method ownership interest |  | 30.00% |  |  |  |  |  |
Carrying value |  | $ 9.3 |  |  |  |  |  |
Equity in earnings of unconsolidated affiliates |  | $ 0.8 |  |  |  |  |  |

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