v3.22.4
Financial instruments by category, Reconciliation to statement of financial position (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
mi
Dec. 31, 2021
USD ($)
Nov. 30, 2022
Financial Assets [Abstract]      
Financial assets $ 1,173,454 $ 1,233,820  
Percentage of interest acquired     49.00%
Financial Liabilities [Abstract]      
Financial liabilities 5,727,329 6,396,624  
Corporate Debt [Member]      
Financial Liabilities [Abstract]      
Financial liabilities [1] 1,017,200 1,023,071  
Project Debt [Member]      
Financial Liabilities [Abstract]      
Financial liabilities [1] 4,553,052 5,036,193  
Trade and Other Current Liabilities [Member]      
Financial Liabilities [Abstract]      
Financial liabilities 140,230 113,907  
Derivative Liabilities [Member]      
Financial Liabilities [Abstract]      
Financial liabilities 16,847 223,453  
Derivative Liabilities [Member]      
Financial Assets [Abstract]      
Financial assets 97,381 12,960  
Investment in Ten West Link [Member]      
Financial Assets [Abstract]      
Financial assets $ 15,959 14,459  
Percentage of interest acquired 12.50%    
Length of transmission lines | mi 114    
Financial Assets under IFRIC 12 (Short-term Portion) [Member]      
Financial Assets [Abstract]      
Financial assets [2] $ 186,841 188,912  
Trade and Other Receivables [Member]      
Financial Assets [Abstract]      
Financial assets 200,334 307,143  
Cash and Cash Equivalents [Member]      
Financial Assets [Abstract]      
Financial assets 600,990 622,689  
Other Financial Assets [Member]      
Financial Assets [Abstract]      
Financial assets 71,949 87,657  
Amortized Cost [Member]      
Financial Liabilities [Abstract]      
Financial liabilities 5,710,482 6,173,171  
Amortized Cost [Member] | Corporate Debt [Member]      
Financial Liabilities [Abstract]      
Financial liabilities [1] 1,017,200 1,023,071  
Amortized Cost [Member] | Project Debt [Member]      
Financial Liabilities [Abstract]      
Financial liabilities [1] 4,553,052 5,036,193  
Amortized Cost [Member] | Trade and Other Current Liabilities [Member]      
Financial Liabilities [Abstract]      
Financial liabilities 140,230 113,907  
Amortized Cost [Member] | Derivative Liabilities [Member]      
Financial Liabilities [Abstract]      
Financial liabilities 0 0  
Fair Value Through Profit or Loss [Member]      
Financial Liabilities [Abstract]      
Financial liabilities 16,847 223,453  
Fair Value Through Profit or Loss [Member] | Corporate Debt [Member]      
Financial Liabilities [Abstract]      
Financial liabilities [1] 0 0  
Fair Value Through Profit or Loss [Member] | Project Debt [Member]      
Financial Liabilities [Abstract]      
Financial liabilities [1] 0 0  
Fair Value Through Profit or Loss [Member] | Trade and Other Current Liabilities [Member]      
Financial Liabilities [Abstract]      
Financial liabilities 0 0  
Fair Value Through Profit or Loss [Member] | Derivative Liabilities [Member]      
Financial Liabilities [Abstract]      
Financial liabilities $ 16,847 $ 223,453  
Interest Rate Risk [Member]      
Financial Liabilities [Abstract]      
Percentage of notional amount of corporate debt hedged 96.00% 99.00%  
Percentage of notional amount of project debt hedged 92.00% 92.00%  
Amortized Cost [Member]      
Financial Assets [Abstract]      
Financial assets $ 1,060,114 $ 1,206,401  
Amortized Cost [Member] | Derivative Liabilities [Member]      
Financial Assets [Abstract]      
Financial assets 0 0  
Amortized Cost [Member] | Investment in Ten West Link [Member]      
Financial Assets [Abstract]      
Financial assets 0 0  
Amortized Cost [Member] | Financial Assets under IFRIC 12 (Short-term Portion) [Member]      
Financial Assets [Abstract]      
Financial assets [2] 186,841 188,912  
Amortized Cost [Member] | Trade and Other Receivables [Member]      
Financial Assets [Abstract]      
Financial assets 200,334 307,143  
Amortized Cost [Member] | Cash and Cash Equivalents [Member]      
Financial Assets [Abstract]      
Financial assets 600,990 622,689  
Amortized Cost [Member] | Other Financial Assets [Member]      
Financial Assets [Abstract]      
Financial assets 71,949 87,657  
Fair Value Through Other Comprehensive Income [Member]      
Financial Assets [Abstract]      
Financial assets 15,959 14,459  
Fair Value Through Other Comprehensive Income [Member] | Derivative Liabilities [Member]      
Financial Assets [Abstract]      
Financial assets 0 0  
Fair Value Through Other Comprehensive Income [Member] | Investment in Ten West Link [Member]      
Financial Assets [Abstract]      
Financial assets 15,959 14,459  
Fair Value Through Other Comprehensive Income [Member] | Financial Assets under IFRIC 12 (Short-term Portion) [Member]      
Financial Assets [Abstract]      
Financial assets [2] 0 0  
Fair Value Through Other Comprehensive Income [Member] | Trade and Other Receivables [Member]      
Financial Assets [Abstract]      
Financial assets 0 0  
Fair Value Through Other Comprehensive Income [Member] | Cash and Cash Equivalents [Member]      
Financial Assets [Abstract]      
Financial assets 0 0  
Fair Value Through Other Comprehensive Income [Member] | Other Financial Assets [Member]      
Financial Assets [Abstract]      
Financial assets 0 0  
Fair Value Through Profit or Loss [Member]      
Financial Assets [Abstract]      
Financial assets 97,381 12,960  
Fair Value Through Profit or Loss [Member] | Derivative Liabilities [Member]      
Financial Assets [Abstract]      
Financial assets 97,381 12,960  
Fair Value Through Profit or Loss [Member] | Investment in Ten West Link [Member]      
Financial Assets [Abstract]      
Financial assets 0 0  
Fair Value Through Profit or Loss [Member] | Financial Assets under IFRIC 12 (Short-term Portion) [Member]      
Financial Assets [Abstract]      
Financial assets [2] 0 0  
Fair Value Through Profit or Loss [Member] | Trade and Other Receivables [Member]      
Financial Assets [Abstract]      
Financial assets 0 0  
Fair Value Through Profit or Loss [Member] | Cash and Cash Equivalents [Member]      
Financial Assets [Abstract]      
Financial assets 0 0  
Fair Value Through Profit or Loss [Member] | Other Financial Assets [Member]      
Financial Assets [Abstract]      
Financial assets $ 0 $ 0  
[1] The percentage of Corporate and Project debt at fixed interest or hedged is 96% and 92% respectively as of December 31, 2022 (99% and 92% respectively as of December 31, 2021).
[2] The long-term portion of Financial assets under IFRIC 12 is included within the line Contracted concessional, PP&E and other intangible assets (Note 6).