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Segmented information (Tables) | 12 Months Ended
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Dec. 31, 2023
Segment Reporting [Abstract] |
Schedule of Results of Operations and Assets for Segments |
| Year ended December 31, 2023
| Regulated Services Group |  | Renewable Energy Group |  | Corporate |  | Total
Revenue (1)(2) | $ | 2,315,722 |  |  | $ | 296,314 |  |  | $ | — |  |  | $ | 2,612,036 |
Other revenue | 51,137 |  |  | 33,395 |  |  | 1,447 |  |  | 85,979 |
Fuel, power and water purchased | 716,446 |  |  | 19,499 |  |  | — |  |  | 735,945 |
Net revenue | 1,650,413 |  |  | 310,210 |  |  | 1,447 |  |  | 1,962,070 |
Operating expenses | 786,608 |  |  | 119,013 |  |  | 1,364 |  |  | 906,985 |
Administrative expenses | 46,386 |  |  | 36,554 |  |  | 7,419 |  |  | 90,359 |
Depreciation and amortization | 346,188 |  |  | 119,576 |  |  | 1,232 |  |  | 466,996 |
Asset impairment charge | — |  |  | 23,492 |  |  | — |  |  | 23,492 |
Loss on foreign exchange | — |  |  | — |  |  | 8,359 |  |  | 8,359 |
Operating income (loss) | 471,231 |  |  | 11,575 |  |  | (16,927) |  |  | 465,879 |
Interest expense | (160,998) |  |  | (61,261) |  |  | (131,397) |  |  | (353,656) |
Income (loss) from long-term investments | 44,953 |  |  | 102,188 |  |  | (230,705) |  |  | (83,564) |
Other expenses | (121,146) |  |  | (4,002) |  |  | (23,116) |  |  | (148,264) |
Earnings (loss) before income taxes | $ | 234,040 |  |  | $ | 48,500 |  |  | $ | (402,145) |  |  | $ | (119,605) |
Property, plant and equipment | $ | 8,945,637 |  |  | $ | 3,539,069 |  |  | $ | 32,744 |  |  | $ | 12,517,450 |
Investments carried at fair value | 1,962 |  |  | 1,113,767 |  |  | — |  |  | 1,115,729 |
Equity-method investees | 112,180 |  |  | 343,712 |  |  | 501 |  |  | 456,393 |
Total assets | 12,658,955 |  |  | 5,367,011 |  |  | 347,995 |  |  | 18,373,961 |
Capital expenditures | $ | 816,788 |  |  | $ | 209,383 |  |  | $ | — |  |  | $ | 1,026,171 |
(1) Renewable Energy Group revenue includes $5,695 related to net hedging gain from energy derivative contracts and availability credits for the year ended December 31, 2023 that do not represent revenue recognized from contracts with customers. (2) Regulated Services Group revenue includes $32,839 related to alternative revenue programs for the year ended December 31, 2023 that do not represent revenue recognized from contracts with customers. 21.Segmented information (continued)
| Year ended December 31, 2022
| Regulated Services Group |  | Renewable Energy Group |  | Corporate |  | Total
Revenue (1)(2) | $ | 2,330,039 |  |  | $ | 350,797 |  |  | $ | — |  |  | $ | 2,680,836 |
Other revenue | 54,229 |  |  | 28,447 |  |  | 1,501 |  |  | 84,177 |
Fuel and power purchased | 824,670 |  |  | 41,684 |  |  | — |  |  | 866,354 |
Net revenue | 1,559,598 |  |  | 337,560 |  |  | 1,501 |  |  | 1,898,659 |
Operating expenses | 736,515 |  |  | 114,463 |  |  | 511 |  |  | 851,489 |
Administrative expenses | 46,484 |  |  | 26,424 |  |  | 7,324 |  |  | 80,232 |
Depreciation and amortization | 317,300 |  |  | 137,203 |  |  | 1,017 |  |  | 455,520 |
Asset impairment charge | — |  |  | 159,568 |  |  | — |  |  | 159,568 |
Loss on foreign exchange | — |  |  | — |  |  | 13,833 |  |  | 13,833 |
| 459,299 |  |  | (100,098) |  |  | (21,184) |  |  | 338,017 |
Gain on sale of renewable assets | — |  |  | 64,028 |  |  | — |  |  | 64,028 |
Operating income (loss) | 459,299 |  |  | (36,070) |  |  | (21,184) |  |  | 402,045 |
Interest expense | (113,482) |  |  | (64,285) |  |  | (100,807) |  |  | (278,574) |
Income (loss) from long-term investments | 21,884 |  |  | 15,254 |  |  | (502,344) |  |  | (465,206) |
Other expenses | (14,765) |  |  | (570) |  |  | (12,598) |  |  | (27,933) |
Earnings (loss) before income taxes | $ | 352,936 |  |  | $ | (85,671) |  |  | $ | (636,933) |  |  | $ | (369,668) |
Property, plant and equipment | $ | 8,554,938 |  |  | $ | 3,360,687 |  |  | $ | 29,260 |  |  | $ | 11,944,885 |
Investments carried at fair value | 1,984 |  |  | 1,342,223 |  |  | — |  |  | 1,344,207 |
Equity-method investees | 56,199 |  |  | 310,103 |  |  | 15,500 |  |  | 381,802 |
Total assets | 12,109,575 |  |  | 5,251,933 |  |  | 266,105 |  |  | 17,627,613 |
Capital expenditures | $ | 908,676 |  |  | $ | 180,348 |  |  | $ | — |  |  | $ | 1,089,024 |
(1) Renewable Energy Group revenue includes $63,717 related to net hedging loss from energy derivative contracts for the year ended December 31, 2022 that do not represent revenue recognized from contracts with customers. (2) Regulated Services Group revenue includes $21,640 related to alternative revenue programs for the year ended December 31, 2022 that do not represent revenue recognized from contracts with customers.
Schedule of Information on Operations by Geographic Area | Information on operations by geographic area is as follows:
|  |  |  |  | 2023 |  | 2022
Revenue |  |  |  |  |  |  |
United States |  |  |  |  | $ | 2,169,239 |  |  | $ | 2,232,817 |
Canada |  |  |  |  | 162,740 |  |  | 175,005 |
Other regions |  |  |  |  | 366,036 |  |  | 357,191 |
|  |  |  |  | $ | 2,698,015 |  |  | $ | 2,765,013 |
Property, plant and equipment |  |  |  |  |  |  |
United States |  |  |  |  | $ | 10,826,738 |  |  | $ | 10,351,736 |
Canada |  |  |  |  | 924,389 |  |  | 848,560 |
Other regions |  |  |  |  | 766,323 |  |  | 744,589 |
|  |  |  |  | $ | 12,517,450 |  |  | $ | 11,944,885 |
Intangible assets |  |  |  |  |  |  |
United States |  |  |  |  | $ | 18,666 |  |  | $ | 18,818 |
Canada |  |  |  |  | 18,111 |  |  | 19,038 |
Other regions |  |  |  |  | 57,161 |  |  | 58,827 |
|  |  |  |  | $ | 93,938 |  |  | $ | 96,683 |

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