v3.22.0.1
Nature of the business (Tables)
12 Months Ended
Dec. 31, 2021
Nature of the business [Abstract]  
Overview of main assets
The following table provides an overview of the main contracted concessional assets the Company owned or had an interest in as of December 31, 2021:

Assets
Type
Ownership
Location
Currency(9)
Capacity
(Gross)
Counterparty
Credit Ratings(10)
COD*
Contract
Years
Remaining(16)
                 
Solana Renewable (Solar) 100% Arizona (USA) USD 280 MW BBB+/A3/BBB+ 2013 22
                 
Mojave
Renewable (Solar)
100%
California (USA)
USD
280 MW
BB-/ -- /BB
2014
18
                 
Coso Renewable (Geothermal) 100% California (USA) USD 135 MW Investment Grade(11) 1987-1989 17
                 
Elkhorn Valley Renewable (Wind) 49% Oregon (USA) USD 101 MW BBB/A3/-- 2007 6
                 
Prairie Star Renewable (Wind) 49% Minnesota (USA) USD 101 MW --/A3/A- 2007 6
                 
Twin Groves II Renewable (Wind) 49% Illinois (USA) USD 198 MW BBB-/Baa2/-- 2008 4
                 
Lone Star II Renewable (Wind) 49% Texas (USA) USD 196 MW Not rated 2008 1
                 
Chile PV 1
Renewable (Solar)
35%(1)
Chile
USD
55 MW
N/A
2016
N/A
                 
Chile PV 2 Renewable (Solar) 35%(1) Chile USD 40 MW Not rated 2017 9
                 
La Sierpe Renewable (Solar) 100% Colombia COP 20 MW Not rated 2021
14
                 
Palmatir Renewable (Wind) 100% Uruguay USD 50 MW BBB/Baa2/BBB-(12) 2014
12
                 
Cadonal Renewable (Wind)
100%
Uruguay
USD
50 MW
BBB/Baa2/BBB-(12) 2014 13
                 
Melowind Renewable (Wind) 100% Uruguay USD 50 MW BBB/Baa2/BBB- 2015 14
                 
Mini-Hydro Renewable (Hydraulic) 100% Peru USD 4 MW BBB+/Baa1/BBB 2012 11
                 
Solaben 2 & 3
Renewable (Solar)
70%(2)
Spain
Euro
2x50 MW
A/Baa1/A-
2012
16/16
                 
Solacor 1 & 2
Renewable (Solar)
87%(3)
Spain
Euro
2x50 MW
A/Baa1/A-
2012
15/15
                 
PS10 & PS20
Renewable (Solar)
100%
Spain
Euro
31 MW
A/Baa1/A-
2007&2009
10/12

Helioenergy 1 & 2
Renewable (Solar)
100%
Spain
Euro
2x50 MW
A/Baa1/A-
2011
15/15
                 
Helios 1 & 2
Renewable (Solar)
100%
Spain
Euro
2x50 MW
A/Baa1/A-
2012
15/16

Solnova 1, 3 & 4
Renewable (Solar)
100%
Spain
Euro
3x50 MW
A/Baa1/A-
2010
13/13/14
                 
Solaben 1 & 6
Renewable (Solar)
100%
Spain
Euro
2x50 MW
A/Baa1/A-
2013
17/17
                 
Seville PV
Renewable (Solar)
80%(4)
Spain
Euro
1 MW
A/Baa1/A-
2006
14
                 
Italy PV 1 Renewable (Solar) 100% Italy Euro 1.6 MW BBB/Baa3/BBB 2010 9
                 
Italy PV 2 Renewable (Solar) 100% Italy Euro 2.1 MW BBB/Baa3/BBB 2011 9
                 
Italy PV 3 Renewable (Solar) 100% Italy Euro 2.5 MW BBB/Baa3/BBB 2012 10
                 
Kaxu
Renewable (Solar)
51%(5)
South Africa
Rand
100 MW
BB-/Ba2/BB-(13)
2015
13
                 
Calgary
Efficient natural gas &heat 100% Canada CAD 55 MWt ~41% A+ or higher(14) 2010 19
                 
ACT
Efficient natural gas & heat
100%
Mexico
USD
300 MW
BBB/ Ba3/BB-
2013
11
                 
Monterrey
Efficient natural gas &heat
30%
Mexico
USD
142 MW
Not rated
2018
17
                 
ATN (15)
Transmission line
100%
Peru
USD
379 miles
BBB+/Baa1/BBB
2011
19
                 
ATS
Transmission line
100%
Peru
USD
569 miles
BBB+/Baa1/BBB
2014
22
                 
ATN 2
Transmission line
100%
Peru
USD
81 miles
Not rated
2015
11
                 
Quadra 1 & 2
Transmission line
100%
Chile
USD
49 miles/32 miles
Not rated
2014
13/13
                 
Palmucho
Transmission line
100%
Chile
USD
6 miles
BBB/ -- /A-
2007
16
                 
Chile TL3
Transmission line
100%
Chile
USD
50 miles
A/A1/A-
1993
Regulated
                 
Skikda
Water
34.2%(6)
Algeria
USD
3.5 M ft3/day
Not rated
2009
12
                 
Honaine
Water
25.5%(7)
Algeria
USD
7 M ft3/day
Not rated
2012
16
                 
Tenes
Water
51%(8)
Algeria
USD
7 M ft3/day
Not rated
2015
18


(1)
65% of the shares in Chile PV 1 and Chile PV 2 are indirectly held by financial partners through the renewable energy platform of the Company in Chile.
(2)
Itochu Corporation holds 30% of the shares in each of Solaben 2 and Solaben 3.
(3)
JGC holds 13% of the shares in each of Solacor 1 and Solacor 2.
(4)
Instituto para la Diversificación y Ahorro de la Energía (“Idae”) holds 20% of the shares in Seville PV.
(5)
Kaxu is owned by the Company (51%), Industrial Development Corporation of South Africa (29%) and Kaxu Community Trust (20%).
(6)
Algerian Energy Company, SPA owns 49% of Skikda and Sacyr Agua, S.L. owns the remaining 16.8%.
(7)
Algerian Energy Company, SPA owns 49% of Honaine and Sacyr Agua, S.L. owns the remaining 25.5%.
(8)
Algerian Energy Company, SPA owns 49% of Tenes.
(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  two Community Choice Aggregators: Silicon Valley Clean Energy and Monterrey Bar Community Power, both with A Rating from S&P and Southern California Public Power Authority. The third off-taker is not rated.
(12)
Refers to the credit rating of Uruguay, as UTE (Administración Nacional de Usinas y Transmisoras Eléctricas) is unrated.
(13)
Refers to the credit rating of the Republic of South Africa. The off-taker is Eskom, which is a state-owned utility company in South Africa.
(14)
Refers to the credit rating of a diversified mix of 22 high credit quality clients (~41% A+ rating or higher, the rest is unrated).
(15)
Including ATN Expansion 1 & 2.
(16)
As of December 31, 2021.
(*)
Commercial Operation Date.