Segmented Information (Tables)

12 Months Ended

Dec. 31, 2024

Segment Reporting [Abstract]

Schedule of Information by Reportable Segment


			Regulated																											Non-Regulated			Inter-
						UNS			Central			FortisBC			Fortis			FortisBC			Other			Sub-						Corporate			segment
($ millions)			ITC			Energy			Hudson			Energy			Alberta			Electric			Electric			total						and Other			eliminations			Total

Year ended December 31, 2024
Revenue			2,229			3,007			1,372			1,665			817			545			1,838			11,473						35			—			11,508
Energy supply costs			—			1,183			393			423			—			155			1,095			3,249						—			—			3,249
Operating expenses			530			798			659			418			195			141			250			2,991						49			—			3,040
Depreciation and amortization			448			404			134			337			291			88			218			1,920						7			—			1,927

Operating income			1,251			622			186			487			331			161			275			3,313						(21)			—			3,292
Other income, net			96			51			58			45			11			6			29			296						(8)			—			288
Finance charges			483			155			79			155			135			81			93			1,181						225			—			1,406
Income tax expense			200			70			37			83			26			14			23			453						(107)			—			346
Net earnings			664			448			128			294			181			72			188			1,975						(147)			—			1,828
Non-controlling interests			122			—			—			1			—			—			25			148						—			—			148
Preference share dividends			—			—			—			—			—			—			—			—						74			—			74
Net earnings attributable to common equity shareholders			542			448			128			293			181			72			163			1,827						(221)			—			1,606

Additions to property, plant and equipment and intangible assets			1,456			1,151			431			1,035			554			132			454			5,213						5			—			5,218

As at December 31, 2024
Goodwill			8,828			1,987			649			913			231			235			269			13,112						—			—			13,112
Total assets			27,202			14,690			6,278			10,156			6,181			2,807			5,810			73,124						374			(12)			73,486

Year ended December 31, 2023
Revenue			2,085			3,006			1,360			1,955			738			528			1,761			11,433						84			—			11,517
Energy supply costs			—			1,290			499			760			—			153			1,069			3,771						—			—			3,771
Operating expenses			494			776			601			408			180			127			231			2,817						72			—			2,889
Depreciation and amortization			416			361			113			309			265			96			204			1,764						9			—			1,773
Operating income			1,175			579			147			478			293			152			257			3,081						3			—			3,084
Other income, net			82			49			54			34			6			4			23			252						39			—			291
Finance charges			427			145			67			163			125			79			86			1,092						213			—			1,305
Income tax expense			208			83			29			74			12			9			26			441						(81)			—			360
Net earnings			622			400			105			275			162			68			168			1,800						(90)			—			1,710
Non-controlling interests			114			—			—			1			—			—			22			137						—			—			137
Preference share dividends			—			—			—			—			—			—			—			—						67			—			67
Net earnings attributable to common equity shareholders			508			400			105			274			162			68			146			1,663						(157)			—			1,506

Additions to property, plant and equipment and intangible assets			1,103			916			341			593			608			126			466			4,153						16			—			4,169

As at December 31, 2023
Goodwill			8,127			1,830			597			913			228			235			254			12,184						—			—			12,184
Total assets			24,269			12,784			5,371			9,225			5,962			2,715			5,227			65,553						401			(34)			65,920