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Nature of the business, Description (Details)
$ / shares in Units, $ in Thousands, € in Millions
1 Months Ended 9 Months Ended
Mar. 22, 2024
USD ($)
Asset
MW
Apr. 30, 2024
h
MW
Jul. 31, 2022
mi
May 31, 2022
Asset
MW
Sep. 30, 2024
USD ($)
Oct. 23, 2024
USD ($)
Oct. 23, 2024
EUR (€)
May 27, 2024
$ / shares
Dec. 31, 2023
USD ($)
Feb. 24, 2023
Nature of the business [Abstract]                    
Fixed interest rate                   4.21%
Investments accounted for using equity method         $ 212,052       $ 230,307  
Algonquin [Member]                    
Nature of the business [Abstract]                    
Gross capacity | MW   100                
Duration capacity of battery | h   4                
Period of PPA         15 years          
Algonquin [Member] | Bottom of range [member]                    
Nature of the business [Abstract]                    
Investments accounted for using equity method         $ 320,000          
Algonquin [Member] | Top of range [member]                    
Nature of the business [Abstract]                    
Investments accounted for using equity method         $ 340,000          
UK Wind 1 and UK Wind 2 [Member]                    
Nature of the business [Abstract]                    
Percentage of interest acquired 100.00%                  
Number of wind assets acquired in United Kingdom | Asset 2                  
Gross capacity | MW 32                  
Investments accounted for using equity method $ 66,000                  
6.375% Green Senior Notes Due 2032 [Member] | Subsequent Events [Member]                    
Nature of the business [Abstract]                    
Fixed interest rate           6.375% 6.375%      
Principal amount           $ 745,000        
5.625% Green Senior Notes Due 2032 [Member] | Subsequent Events [Member]                    
Nature of the business [Abstract]                    
Fixed interest rate           5.625% 5.625%      
Principal amount | €             € 500      
Bidco [Member]                    
Nature of the business [Abstract]                    
Percentage of shares to be sold               100.00%    
Equity interests to be sold per share (in dollars per share) | $ / shares               $ 22    
Honda 1 and 2 [Member]                    
Nature of the business [Abstract]                    
Percentage of interest acquired       50.00%            
Gross capacity | MW       20            
Period of PPA         7 years          
Number of PV assets | Asset       2            
ATN Expansion 3 [Member]                    
Nature of the business [Abstract]                    
Investments accounted for using equity method         $ 12,000          
Period of PPA         17 years          
Length of transmission lines | mi     2.4              
Expected COD         2024