| | | | | | | | | | | | | | | | | |
| As at | Note | | June 30, 2025 | | December 31, 2024 |
| | | | | |
| ASSETS | | | | | |
| Current assets | | | | | |
| Cash and cash equivalents | | | $ | 1,078,572 | | | $ | 856,797 | |
| | | | | |
| | | | | |
| | | | | |
| Accounts receivable and other | 4 | | 235,397 | | | 190,676 | |
| Inventories | 5 | | 290,360 | | | 278,995 | |
| Current other assets | 6 | | — | | | 138,932 | |
| Current derivative assets | 16 | | 4,165 | | | 52 | |
| Assets held for sale | | | 13,821 | | | 16,686 | |
| | | 1,622,315 | | | 1,482,138 | |
| Restricted cash | | | 2,319 | | | 2,177 | |
| Deferred tax assets | | | 19,487 | | | 19,487 | |
| Other assets | 6 | | 128,245 | | | 120,418 | |
| Non-current derivative assets | 16 | | 15,141 | | | — | |
| Property, plant and equipment | | | 4,423,730 | | | 4,118,782 | |
| Goodwill | | | 92,591 | | | 92,591 | |
| | | $ | 6,303,828 | | | $ | 5,835,593 | |
| LIABILITIES & EQUITY | | | | | |
| Current liabilities | | | | | |
| Accounts payable and accrued liabilities | | | $ | 409,310 | | | $ | 366,690 | |
| Current portion of lease liabilities | | | 5,936 | | | 4,693 | |
| | | | | |
| Current portion of asset retirement obligation | | | 5,351 | | | 5,071 | |
| Current derivative liabilities | 16 | | 70,927 | | | 25,587 | |
| Liabilities associated with assets held for sale | | | 10,321 | | | 10,133 | |
| | | 501,845 | | | 412,174 | |
| Debt | 7 | | 1,157,148 | | | 915,425 | |
| Lease liabilities | | | 10,511 | | | 10,030 | |
| Employee benefit plan obligations | | | 11,985 | | | 10,910 | |
| Asset retirement obligations | | | 133,581 | | | 127,925 | |
| Non-current derivative liabilities | 16 | | 54,307 | | | 35,743 | |
| Deferred income tax liabilities | | | 347,980 | | | 434,939 | |
| | | 2,217,357 | | | 1,947,146 | |
| Equity | | | | | |
| Share capital | 12 | | 3,423,439 | | | 3,433,778 | |
| Shares held in trust for restricted share units | 12 | | (9,162) | | | (12,970) | |
| Contributed surplus | | | 2,583,047 | | | 2,612,762 | |
| Accumulated other comprehensive (loss) income | | | (21,070) | | | 56,183 | |
| Deficit | | | (1,879,249) | | | (2,193,163) | |
| Total equity attributable to shareholders of the Company | | | 4,097,005 | | | 3,896,590 | |
| Attributable to non-controlling interests | | | (10,534) | | | (8,143) | |
| | | 4,086,471 | | | 3,888,447 | |
| | | $ | 6,303,828 | | | $ | 5,835,593 | |
