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Segmented Information - Information by Reportable Segment (Details) - CAD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 11,508 | $ 11,517 |
Energy supply costs | 3,249 | 3,771 |
Operating expenses | 3,040 | 2,889 |
Depreciation and amortization | 1,927 | 1,773 |
Operating income | 3,292 | 3,084 |
Other income, net | 288 | 291 |
Finance charges | 1,406 | 1,305 |
Income tax expense | 346 | 360 |
Net earnings | 1,828 | 1,710 |
Non-controlling interests | 148 | 137 |
Preference share dividends | 74 | 67 |
Net earnings attributable to common equity shareholders | 1,606 | 1,506 |
Additions to property, plant and equipment and intangible assets | 5,218 | 4,169 |
Goodwill | 13,112 | 12,184 | $ 12,464
Total assets | 73,486 | 65,920 |
Intersegment Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 0 | 0 |
Energy supply costs | 0 | 0 |
Operating expenses | 0 | 0 |
Depreciation and amortization | 0 | 0 |
Operating income | 0 | 0 |
Other income, net | 0 | 0 |
Finance charges | 0 | 0 |
Income tax expense | 0 | 0 |
Net earnings | 0 | 0 |
Non-controlling interests | 0 | 0 |
Preference share dividends | 0 | 0 |
Net earnings attributable to common equity shareholders | 0 | 0 |
Additions to property, plant and equipment and intangible assets | 0 | 0 |
Goodwill | 0 | 0 |
Total assets | (12) | (34) |
Regulated | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 11,473 | 11,433 |
Energy supply costs | 3,249 | 3,771 |
Operating expenses | 2,991 | 2,817 |
Depreciation and amortization | 1,920 | 1,764 |
Operating income | 3,313 | 3,081 |
Other income, net | 296 | 252 |
Finance charges | 1,181 | 1,092 |
Income tax expense | 453 | 441 |
Net earnings | 1,975 | 1,800 |
Non-controlling interests | 148 | 137 |
Preference share dividends | 0 | 0 |
Net earnings attributable to common equity shareholders | 1,827 | 1,663 |
Additions to property, plant and equipment and intangible assets | 5,213 | 4,153 |
Goodwill | 13,112 | 12,184 |
Total assets | 73,124 | 65,553 |
Regulated | Operating Segments | ITC |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 2,229 | 2,085 |
Energy supply costs | 0 | 0 |
Operating expenses | 530 | 494 |
Depreciation and amortization | 448 | 416 |
Operating income | 1,251 | 1,175 |
Other income, net | 96 | 82 |
Finance charges | 483 | 427 |
Income tax expense | 200 | 208 |
Net earnings | 664 | 622 |
Non-controlling interests | 122 | 114 |
Preference share dividends | 0 | 0 |
Net earnings attributable to common equity shareholders | 542 | 508 |
Additions to property, plant and equipment and intangible assets | 1,456 | 1,103 |
Goodwill | 8,828 | 8,127 |
Total assets | 27,202 | 24,269 |
Regulated | Operating Segments | UNS Energy |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 3,007 | 3,006 |
Energy supply costs | 1,183 | 1,290 |
Operating expenses | 798 | 776 |
Depreciation and amortization | 404 | 361 |
Operating income | 622 | 579 |
Other income, net | 51 | 49 |
Finance charges | 155 | 145 |
Income tax expense | 70 | 83 |
Net earnings | 448 | 400 |
Non-controlling interests | 0 | 0 |
Preference share dividends | 0 | 0 |
Net earnings attributable to common equity shareholders | 448 | 400 |
Additions to property, plant and equipment and intangible assets | 1,151 | 916 |
Goodwill | 1,987 | 1,830 |
Total assets | 14,690 | 12,784 |
Regulated | Operating Segments | Central Hudson |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 1,372 | 1,360 |
Energy supply costs | 393 | 499 |
Operating expenses | 659 | 601 |
Depreciation and amortization | 134 | 113 |
Operating income | 186 | 147 |
Other income, net | 58 | 54 |
Finance charges | 79 | 67 |
Income tax expense | 37 | 29 |
Net earnings | 128 | 105 |
Non-controlling interests | 0 | 0 |
Preference share dividends | 0 | 0 |
Net earnings attributable to common equity shareholders | 128 | 105 |
Additions to property, plant and equipment and intangible assets | 431 | 341 |
Goodwill | 649 | 597 |
Total assets | 6,278 | 5,371 |
Regulated | Operating Segments | FortisBC Energy |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 1,665 | 1,955 |
Energy supply costs | 423 | 760 |
Operating expenses | 418 | 408 |
Depreciation and amortization | 337 | 309 |
Operating income | 487 | 478 |
Other income, net | 45 | 34 |
Finance charges | 155 | 163 |
Income tax expense | 83 | 74 |
Net earnings | 294 | 275 |
Non-controlling interests | 1 | 1 |
Preference share dividends | 0 | 0 |
Net earnings attributable to common equity shareholders | 293 | 274 |
Additions to property, plant and equipment and intangible assets | 1,035 | 593 |
Goodwill | 913 | 913 |
Total assets | 10,156 | 9,225 |
Regulated | Operating Segments | FortisAlberta |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 817 | 738 |
Energy supply costs | 0 | 0 |
Operating expenses | 195 | 180 |
Depreciation and amortization | 291 | 265 |
Operating income | 331 | 293 |
Other income, net | 11 | 6 |
Finance charges | 135 | 125 |
Income tax expense | 26 | 12 |
Net earnings | 181 | 162 |
Non-controlling interests | 0 | 0 |
Preference share dividends | 0 | 0 |
Net earnings attributable to common equity shareholders | 181 | 162 |
Additions to property, plant and equipment and intangible assets | 554 | 608 |
Goodwill | 231 | 228 |
Total assets | 6,181 | 5,962 |
Regulated | Operating Segments | FortisBC Electric |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 545 | 528 |
Energy supply costs | 155 | 153 |
Operating expenses | 141 | 127 |
Depreciation and amortization | 88 | 96 |
Operating income | 161 | 152 |
Other income, net | 6 | 4 |
Finance charges | 81 | 79 |
Income tax expense | 14 | 9 |
Net earnings | 72 | 68 |
Non-controlling interests | 0 | 0 |
Preference share dividends | 0 | 0 |
Net earnings attributable to common equity shareholders | 72 | 68 |
Additions to property, plant and equipment and intangible assets | 132 | 126 |
Goodwill | 235 | 235 |
Total assets | 2,807 | 2,715 |
Regulated | Operating Segments | Other Electric |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 1,838 | 1,761 |
Energy supply costs | 1,095 | 1,069 |
Operating expenses | 250 | 231 |
Depreciation and amortization | 218 | 204 |
Operating income | 275 | 257 |
Other income, net | 29 | 23 |
Finance charges | 93 | 86 |
Income tax expense | 23 | 26 |
Net earnings | 188 | 168 |
Non-controlling interests | 25 | 22 |
Preference share dividends | 0 | 0 |
Net earnings attributable to common equity shareholders | 163 | 146 |
Additions to property, plant and equipment and intangible assets | 454 | 466 |
Goodwill | 269 | 254 |
Total assets | 5,810 | 5,227 |
Non-Regulated | Operating Segments | Corporate Segment and Other Operating Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 35 | 84 |
Energy supply costs | 0 | 0 |
Operating expenses | 49 | 72 |
Depreciation and amortization | 7 | 9 |
Operating income | (21) | 3 |
Other income, net | (8) | 39 |
Finance charges | 225 | 213 |
Income tax expense | (107) | (81) |
Net earnings | (147) | (90) |
Non-controlling interests | 0 | 0 |
Preference share dividends | 74 | 67 |
Net earnings attributable to common equity shareholders | (221) | (157) |
Additions to property, plant and equipment and intangible assets | 5 | 16 |
Goodwill | 0 | 0 |
Total assets | $ 374 | $ 401 |

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