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Risk Management Activities - Maturity Analysis of Financial Liabilities (Details) - CAD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | $ 3 | $ 16
Accounts payable and accrued liabilities | 797 | 1,346
Principal repayments | 3,466 | 3,653
Exchangeable securities | 744 | 739
Dividends payable | 49 | 68
Other |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 | $ 1
2024 |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Lease incentive | 12 |
Cost |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | 3 |
Accounts payable and accrued liabilities | 797 |
Principal repayments | 3,363 |
Exchangeable securities | 750 |
Other risk management assets | (19) |
Lease liabilities | 143 |
Interest expense on borrowings | 1,516 |
Dividends payable | 49 |
Total | 7,284 |
Cost | Credit Facilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 400 |
Cost | Debentures |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 251 |
Cost | Senior notes |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 924 |
Cost | Non-recourse – Hydro |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 39 |
Cost | Non-recourse – Wind & Solar |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 636 |
Cost | Non-recourse and other – Gas |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 1,003 |
Cost | Tax equity financing |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 110 |
Cost | Interest on exchangeable securities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Interest expense on borrowings | 278 |
Cost | Commodity risk management liabilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Commodity risk management liabilities | 404 |
Cost | 2024 |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | 3 |
Accounts payable and accrued liabilities | 797 |
Principal repayments | 526 |
Exchangeable securities | 0 |
Other risk management assets | (16) |
Lease liabilities | 4 |
Interest expense on borrowings | 186 |
Dividends payable | 49 |
Total | 1,771 |
Cost | 2024 | Credit Facilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 400 |
Cost | 2024 | Debentures |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2024 | Senior notes |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2024 | Non-recourse – Hydro |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2024 | Non-recourse – Wind & Solar |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 66 |
Cost | 2024 | Non-recourse and other – Gas |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 46 |
Cost | 2024 | Tax equity financing |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 14 |
Cost | 2024 | Interest on exchangeable securities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Interest expense on borrowings | 53 |
Cost | 2024 | Commodity risk management liabilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Commodity risk management liabilities | 169 |
Cost | 2025 |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | 0 |
Accounts payable and accrued liabilities | 0 |
Principal repayments | 142 |
Exchangeable securities | 0 |
Other risk management assets | (3) |
Lease liabilities | 4 |
Interest expense on borrowings | 167 |
Dividends payable | 0 |
Total | 486 |
Cost | 2025 | Credit Facilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2025 | Debentures |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2025 | Senior notes |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2025 | Non-recourse – Hydro |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2025 | Non-recourse – Wind & Solar |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 69 |
Cost | 2025 | Non-recourse and other – Gas |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 58 |
Cost | 2025 | Tax equity financing |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 15 |
Cost | 2025 | Interest on exchangeable securities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Interest expense on borrowings | 53 |
Cost | 2025 | Commodity risk management liabilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Commodity risk management liabilities | 123 |
Cost | 2026 |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | 0 |
Accounts payable and accrued liabilities | 0 |
Principal repayments | 143 |
Exchangeable securities | 0 |
Other risk management assets | 0 |
Lease liabilities | 4 |
Interest expense on borrowings | 158 |
Dividends payable | 0 |
Total | 373 |
Cost | 2026 | Credit Facilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2026 | Debentures |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2026 | Senior notes |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2026 | Non-recourse – Hydro |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2026 | Non-recourse – Wind & Solar |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 67 |
Cost | 2026 | Non-recourse and other – Gas |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 61 |
Cost | 2026 | Tax equity financing |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 15 |
Cost | 2026 | Interest on exchangeable securities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Interest expense on borrowings | 53 |
Cost | 2026 | Commodity risk management liabilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Commodity risk management liabilities | 15 |
Cost | 2027 |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | 0 |
Accounts payable and accrued liabilities | 0 |
Principal repayments | 153 |
Exchangeable securities | 0 |
Other risk management assets | 0 |
Lease liabilities | 4 |
Interest expense on borrowings | 151 |
Dividends payable | 0 |
Total | 373 |
Cost | 2027 | Credit Facilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2027 | Debentures |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2027 | Senior notes |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2027 | Non-recourse – Hydro |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2027 | Non-recourse – Wind & Solar |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 70 |
Cost | 2027 | Non-recourse and other – Gas |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 65 |
Cost | 2027 | Tax equity financing |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 18 |
Cost | 2027 | Interest on exchangeable securities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Interest expense on borrowings | 53 |
Cost | 2027 | Commodity risk management liabilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Commodity risk management liabilities | 12 |
Cost | 2028 |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | 0 |
Accounts payable and accrued liabilities | 0 |
Principal repayments | 162 |
Exchangeable securities | 0 |
Other risk management assets | 0 |
Lease liabilities | 4 |
Interest expense on borrowings | 143 |
Dividends payable | 0 |
Total | 374 |
Cost | 2028 | Credit Facilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2028 | Debentures |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2028 | Senior notes |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2028 | Non-recourse – Hydro |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2028 | Non-recourse – Wind & Solar |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 75 |
Cost | 2028 | Non-recourse and other – Gas |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 66 |
Cost | 2028 | Tax equity financing |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 21 |
Cost | 2028 | Interest on exchangeable securities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Interest expense on borrowings | 53 |
Cost | 2028 | Commodity risk management liabilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Commodity risk management liabilities | 12 |
Cost | 2029 and thereafter |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Bank overdraft | 0 |
Accounts payable and accrued liabilities | 0 |
Principal repayments | 2,237 |
Exchangeable securities | 750 |
Other risk management assets | 0 |
Lease liabilities | 123 |
Interest expense on borrowings | 711 |
Dividends payable | 0 |
Total | 3,907 |
Cost | 2029 and thereafter | Credit Facilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 0 |
Cost | 2029 and thereafter | Debentures |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 251 |
Cost | 2029 and thereafter | Senior notes |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 924 |
Cost | 2029 and thereafter | Non-recourse – Hydro |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 39 |
Cost | 2029 and thereafter | Non-recourse – Wind & Solar |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 289 |
Cost | 2029 and thereafter | Non-recourse and other – Gas |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 707 |
Cost | 2029 and thereafter | Tax equity financing |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Principal repayments | 27 |
Cost | 2029 and thereafter | Interest on exchangeable securities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Interest expense on borrowings | 13 |
Cost | 2029 and thereafter | Commodity risk management liabilities |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Commodity risk management liabilities | $ 73 |

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