v3.19.2

Nature of the business, Assets acquired (Details) $ in Thousands |  |  |  |  |  |  |  | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 02, 2019 USD ($) MW Corporation | May 24, 2019 USD ($) MW | May 09, 2019 USD ($) MW | Jan. 29, 2019 USD ($) | Dec. 14, 2018 USD ($) MW | Dec. 11, 2018 USD ($) kV | Feb. 28, 2018 USD ($) MW | Jun. 30, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 28, 2018 USD ($) | Oct. 10, 2018 USD ($)
Nature of the business [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Investments carried under the equity method |  |  |  |  |  |  |  |  | $ 135,496 | $ 53,419 |  |
Befesa Agua Tenes, S.L.U. [Member] |  |  |  |  |  |  |  |  |  |  |  |
Nature of the business [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest |  |  |  |  | 51.00% |  |  |  |  |  |  |
Equity value of agreed price |  |  |  |  | $ 24,500 |  |  |  |  |  |  |
Consideration payment advanced |  |  |  |  | $ 19,900 |  |  |  |  |  |  |
Interest rate |  |  |  |  | 12.00% |  |  |  |  |  |  |
Monterrey [Member] | Subsequent Events [Member] |  |  |  |  |  |  |  |  |  |  |  |
Nature of the business [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Gross capacity | MW |  | 142 |  |  |  |  |  |  |  |  |  |
Acquisition purchase price |  | $ 42,000 |  |  |  |  |  |  |  |  |  |
Ownership percentage acquired |  | 30.00% |  |  |  |  |  |  |  |  |  |
Installed capacity | MW |  | 130 |  |  |  |  |  |  |  |  |  |
Battery capacity | MW |  | 12 |  |  |  |  |  |  |  |  |  |
Period of PPA |  | 20 years |  |  |  |  |  |  |  |  |  |
Number of international corporations | Corporation |  | 2 |  |  |  |  |  |  |  |  |  |
Ownership percentage to be acquired under ROFO agreement |  | 70.00% |  |  |  |  |  |  |  |  |  |
Amherst Island [Member] |  |  |  |  |  |  |  |  |  |  |  |
Nature of the business [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Gross capacity | MW |  |  | 75 |  |  |  |  |  |  |  |  |
Installed capacity | MW |  |  |  | 75 |  |  |  |  |  |  |  |
Investments carried under the equity method |  |  | $ 4,900 | $ 4,900 |  |  |  |  |  |  |  |
Chile TL3 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Nature of the business [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Gross capacity | kV |  |  |  |  |  |  | 66 |  |  |  |  |
Acquisition purchase price |  |  |  |  |  |  | $ 6,000 |  |  |  |  |
Ownership interest |  |  |  |  |  |  |  |  | 100.00% |  |  |
ATN [Member] |  |  |  |  |  |  |  |  |  |  |  |
Nature of the business [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition purchase price |  |  |  |  |  |  |  |  |  |  | $ 16,000 |
Ownership interest | [1] |  |  |  |  |  |  |  | 100.00% |  |  |
Melowind [Member] |  |  |  |  |  |  |  |  |  |  |  |
Nature of the business [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Percentage interest acquired |  |  |  |  |  | 100.00% |  |  |  |  |  |
Gross capacity | MW |  |  |  |  |  | 50 |  |  |  |  |  |
Acquisition purchase price |  |  |  |  |  | $ 45,000 |  |  |  |  |  |
Ownership interest |  |  |  |  |  |  |  |  | 100.00% |  |  |
Mini- Hydro [Member] |  |  |  |  |  |  |  |  |  |  |  |
Nature of the business [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Percentage interest acquired |  |  |  |  |  |  |  | 100.00% |  |  |  |
Gross capacity | MW |  |  |  |  |  |  |  | 4 |  |  |  |
Acquisition purchase price |  |  |  |  |  |  |  | $ 9,000 |  |  |  |
Ownership interest |  |  |  |  |  |  |  |  | 100.00% |  |  |
PTS [Member] |  |  |  |  |  |  |  |  |  |  |  |
Nature of the business [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Percentage interest acquired |  |  |  |  |  |  |  |  |  |  |  | 5.00%
Acquisition purchase price |  |  |  |  |  |  |  |  |  |  |  | $ 7,000
[1] | Including the acquisition of ATN expansion 1.

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