v3.10.0.1

Nature of the business (Tables) | 12 Months Ended
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Dec. 31, 2018
Nature of the business [Abstract] |
Overview of concessional assets | The following table provides an overview of the concessional assets the Company owned as of December 31, 2018:
Assets | Type | Ownership | Location | Currency(8) | Capacity (Gross) | Counterparty Credit Ratings(9) | COD | Contract Years Left (13)
Solana | Renewable (Solar) | 100% Class B(1) | Arizona (USA) | USD | 280 MW | A-/A2/A- | 2013 | 25
Mojave | Renewable (Solar) | 100% | California (USA) | USD | 280 MW | D/WR/D | 2014 | 21
Solaben 2 & 3 | Renewable (Solar) | 70%(2) | Spain | Euro | 2x50 MW | A-/Baa1/A- | 2012 | 19/18
Solacor 1 & 2 | Renewable (Solar) | 87%(3) | Spain | Euro | 2x50 MW | A-/Baa1/A- | 2012 | 18/18
PS10/PS20 | Renewable (Solar) | 100% | Spain | Euro | 31 MW | A-/Baa1/A- | 2007& 2009 | 13/15
Helioenergy 1 & 2 | Renewable (Solar) | 100% | Spain | Euro | 2x50 MW | A-/Baa1/A- | 2011 | 18/18
Helios 1 & 2 | Renewable (Solar) | 100% | Spain | Euro | 2x50 MW | A-/Baa1/A- | 2012 | 19/19
Solnova 1, 3 & 4 | Renewable (Solar) | 100% | Spain | Euro | 3x50 MW | A-/Baa1/A- | 2010 | 16/16/17
Solaben 1 & 6 | Renewable (Solar) | 100% | Spain | Euro | 2x50 MW | A-/Baa1/A- | 2013 | 20/20
Kaxu | Renewable (Solar) | 51%(4) | South Africa | Rand | 100 MW | BB/Baa3/BB+(10) | 2015 | 16
Palmatir | Renewable (Wind) | 100% | Uruguay | USD | 50 MW | BBB/Baa2/BBB-(11) | 2014 | 15
Cadonal | Renewable (Wind) | 100% | Uruguay | USD | 50 MW | BBB/Baa2/BBB-(11) | 2014 | 16
ACT | Efficient natural gas | 100% | Mexico | USD | 300 MW | BBB+/ Baa3/BBB+ | 2013 | 14
ATN (12) | Transmission line | 100% | Peru | USD | 365 miles | BBB+/A3/BBB+ | 2011 | 22
ATS | Transmission line | 100% | Peru | USD | 569 miles | BBB+/A3/BBB+ | 2014 | 25
ATN 2 | Transmission line | 100% | Peru | USD | 81 miles | Not rated | 2015 | 14
Quadra 1 | Transmission line | 100% | Chile | USD | 49 miles | Not rated | 2014 | 16
Quadra 2 | Transmission line | 100% | Chile | USD | 32 miles | Not rated | 2014 | 16
Palmucho | Transmission line | 100% | Chile | USD | 6 miles | BBB+/Baa1/BBB+ | 2007 | 19
Chile TL3 | Transmission line | 100% | Chile | USD | 50 miles | A+/A1/A | 1993 | Regulated
Skikda | Water | 34.2%(5) | Algeria | USD | 3.5 M ft3/day | Not rated | 2009 | 15
Honaine | Water | 25.5%(6) | Algeria | USD | 7 M ft3/ day | Not rated | 2012 | 19
Seville PV | Renewable (Solar) | 80%(7) | Spain | Euro | 1 MW | A-/Baa1/A- | 2006 | 17
Melowind | Renewable (Wind) | 100% | Uruguay | USD | 50MW | BBB/Baa2/BBB- | 2015 | 17
Mini-Hydro | Renewable (Hydraulic) | 100% | Peru | USD | 4 MW | BBB+/A3/ BBB+- | 2012 | 14
(1) | On September 30, 2013, Liberty Interactive Corporation agreed to invest $300 million in Class A shares of ASO Holdings Company LLC, the holding company of Solana, in exchange for a share of the dividends and the taxable losses generated by Solana.
(2) | Itochu Corporation, a Japanese trading company, holds 30% of the shares in each of Solaben 2 and Solaben 3.
(3) | JGC, a Japanese engineering company, holds 13% of the shares in each of Solacor 1 and Solacor 2.
(4) | Kaxu is owned by the Company (51%), Industrial Development Corporation of South Africa (29%) and Kaxu Community Trust (20%).
(5) | Algerian Energy Company, SPA owns 49% of Skikda and Sacyr Agua, S.L. owns the remaining 16.83%.
(6) | Algerian Energy Company, SPA owns 49% of Honaine and Sacyr Agua, S.L. owns the remaining 25.5%.
(7) | Instituto para la Diversificación y Ahorro de la Energía (“Idae”), a Spanish state owned company, holds 20% of the shares in Seville PV.
(8) | Certain contracts denominated in U.S. dollars are payable in local currency.
(9) | Reflects the counterparty’s credit ratings issued by Standard & Poor’s Ratings Services, or S&P, Moody’s Investors Service Inc., or Moody’s, and Fitch Ratings Ltd, or Fitch.
(10) | Refers to the credit rating of the Republic of South Africa. The offtaker is Eskom, which is a state-owned utility company in South Africa.
(11) | Refers to the credit rating of Uruguay, as UTE (Administración Nacional de Usinas y Transmisoras Eléctricas) is unrated.
(12) | Including the acquisition of ATN expansion 1.
(13) | As of December 31, 2018.

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