v3.20.4

Nature of the business (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Nature of the business [Abstract] |
Overview of main assets | The following table provides an overview of the main concessional assets the Company owned or had an interest in as of December 31, 2020:
Assets | Type | Ownership | Location | Currency(9) | Capacity (Gross) | Counterparty Credit Ratings(10) | COD* | Contract Years Left(14)
Solana | Renewable (Solar) | 100% | Arizona (USA) | USD | 280 MW | A-/A2/A- | 2013 | 23
Mojave | Renewable (Solar) | 100% | California (USA) | USD | 280 MW | BB-/WR/BB | 2014 | 19
Chile PV I | Renewable (Solar) | 35%(8) | Chile | USD | 55 MW | N/A | 2016 | N/A
Solaben 2 & 3 | Renewable (Solar) | 70%(1) | Spain | Euro | 2x50 MW | A/Baa1/A- | 2012 | 17/16
Solacor 1 & 2 | Renewable (Solar) | 87%(2) | Spain | Euro | 2x50 MW | A/Baa1/A- | 2012 | 16/16
PS10 & PS20 | Renewable (Solar) | 100% | Spain | Euro | 31 MW | A/Baa1/A- | 2007& 2009 | 11/13
Helioenergy 1 & 2 | Renewable (Solar) | 100% | Spain | Euro | 2x50 MW | A/Baa1/A- | 2011 | 16/16
Helios 1 & 2 | Renewable (Solar) | 100% | Spain | Euro | 2x50 MW | A/Baa1/A- | 2012 | 16/17
Solnova 1, 3 & 4 | Renewable (Solar) | 100% | Spain | Euro | 3x50 MW | A/Baa1/A- | 2010 | 14/14/15
Solaben 1 & 6 | Renewable (Solar) | 100% | Spain | Euro | 2x50 MW | A/Baa1/A- | 2013 | 18/18
Seville PV | Renewable (Solar) | 80%(6) | Spain | Euro | 1 MW | A/Baa1/A- | 2006 | 15
Kaxu | Renewable (Solar) | 51%(3) | South Africa | Rand | 100 MW | BB-/Ba2/ BB-(11) | 2015 | 14
Palmatir | Renewable (Wind) | 100% | Uruguay | USD | 50 MW | BBB/Baa2/BBB-(12) | 2014 | 13
Cadonal | Renewable (Wind) | 100% | Uruguay | USD | 50 MW | BBB/Baa2/BBB-(12) | 2014 | 14
Melowind | Renewable (Wind) | 100% | Uruguay | USD | 50 MW | BBB/Baa2/BBB- | 2015 | 15
Mini-Hydro | Renewable (Hydraulic) | 100% | Peru | USD | 4 MW | BBB+/A3/BBB+ | 2012 | 12
ACT | Efficient natural gas | 100% | Mexico | USD | 300 MW | BBB/ Ba2/ BB- | 2013 | 12
Monterrey | Efficient natural gas | 30% | Mexico | USD | 142 MW | Not rated | 2018 | 18
ATN (13) | Transmission line | 100% | Peru | USD | 379 miles | BBB+/A3/BBB+ | 2011 | 20
ATS | Transmission line | 100% | Peru | USD | 569 miles | BBB+/A3/BBB+ | 2014 | 23
ATN 2 | Transmission line | 100% | Peru | USD | 81 miles | Not rated | 2015 | 12
Quadra 1 & 2 | Transmission line | 100% | Chile | USD | 49 miles/ 32 miles | Not rated | 2014 | 14/14
Palmucho | Transmission line | 100% | Chile | USD | 6 miles | BBB+/Baa1/ A- | 2007 | 17
Chile TL3 | Transmission line | 100% | Chile | USD | 50 miles | A+/A1/A- | 1993 | Regulated
Skikda | Water | 34.2%(4) | Algeria | USD | 3.5 M ft3/day | Not rated | 2009 | 13
Honaine | Water | 25.5%(5) | Algeria | USD | 7 M ft3/ day | Not rated | 2012 | 17
Tenes | Water | 51%(7) | Algeria | USD | 7 M ft3/ day | Not rated | 2015 | 19
(1) Itochu Corporation, a Japanese trading company, holds 30% of the shares in each of Solaben 2 and Solaben 3. (2) JGC, a Japanese engineering company, holds 13% of the shares in each of Solacor 1 and Solacor 2. (3) Kaxu is owned by the Company (51%), Industrial Development Corporation of South Africa (29%) and Kaxu Community Trust (20%). (4) Algerian Energy Company, SPA owns 49% of Skikda and Sacyr Agua, S.L. owns the remaining 16.83%. (5) Algerian Energy Company, SPA owns 49% of Honaine and Sacyr Agua, S.L. owns the remaining 25.5%. (6) Instituto para la Diversificación y Ahorro de la Energía (“Idae”), a Spanish state-owned company, holds 20% of the shares in Seville PV. (7) Algerian Energy Company, SPA owns 49% of Tenes. (8) 65% of the shares in Chile PV I is indirectly held by financial partners through the renewable energy platform of the Company in Chile. (9) Certain contracts denominated in U.S. dollars are payable in local currency. (10) 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. (11) 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. (12) Refers to the credit rating of Uruguay, as UTE (Administración Nacional de Usinas y Transmisoras Eléctricas) is unrated. (13) Including the acquisition of ATN Expansion 1 & 2. (14) As of December 31, 2020. (*) Commercial Operation Date.

X
- Definition The disclosure of detailed information about concessional assets owned. + References No definition available. + Details
Name: | aby_DisclosureOfConcessionalAssetsOwnedExplanatoryTableTextBlock
Namespace Prefix: | aby_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | aby_NatureOfTheBusinessAbstract
Namespace Prefix: | aby_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration