Who owns TransAlta?
TransAlta is owned by TransAlta Corporation (Canada, TSX: TA).[1]
Evidence: TransAlta Corporation Annual Report on Form 40-F filed 2026-02-27, SEC EDGAR, 27 February 2026. Verified from filings; last checked .
Key facts
- Current owner
- TransAlta Corporation verified
- Owner HQ
- 🇨🇦 Canada
- Origin
- 🇨🇦 Canada
- Category
- Energy › Power & utilities › Power producers
- Parent ticker
- TSX: TA NYSE: TAC
- Last verified
- · 1 sources
About TransAlta
TransAlta generates and sells electricity from Canadian and US wind, natural gas and coal facilities. Its 2025 AIF reports 1,384 MW of installed capacity in Ontario after the February 2026 Far North Power purchase and describes the 700 MW Centralia Unit 2 in Washington State, subject to a coal-to-gas conversion under a tolling agreement with Puget Sound Energy.
Ownership timeline of TransAlta
Where TransAlta sits in TransAlta
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full TransAlta ownership tree →
Other brands in power producers, and who owns them
The 19 brands in power producers on Brandtree belong to 17 owners. The largest is KEPCO, with 3.
| Brand | Owner | Owner based in |
|---|---|---|
| Korea East-West Power | KEPCO | 🇰🇷 South Korea |
| Acwa | ACWA Power | 🇸🇦 Saudi Arabia |
| Auren Energia | Auren Energia | 🇧🇷 Brazil |
| NorthStar Clean Energy | CMS Energy | 🇺🇸 United States |
| Calpine | Constellation | 🇺🇸 United States |
| Enel Generación Chile | Enel Chile | 🇨🇱 Chile |
| Engie Brasil Energia | Engie Brasil Energia | 🇧🇷 Brazil |
| Hallador Power | Hallador | 🇺🇸 United States |
About the owner: TransAlta
TransAlta is a publicly listed company headquartered in Canada. Brandtree records 1 brand under its control, and it is listed as TSX: TA and NYSE: TAC.
TransAlta is a Canadian power generator with wind, gas, coal and other assets in Canada and the United States. Its 2025 annual information form says its common shares trade on the TSX as TA and on the NYSE as TAC, that it closed the acquisition of Heartland Generation in December 2024, and that it bought Far North Power (310 MW of gas-fired plants in Ontario) in February 2026.
🇨🇦 TransAlta and other Canadian brands
Brandtree records a controlling owner for 174 brands that began in Canada. 41 of them (24%) are now controlled by a company headquartered in another country; TransAlta is not one of them.
- Algoma Tubes — Tenaris 🇱🇺
- Burnaby Refinery — Sunoco 🇺🇸
- CNOOC Petroleum North America — CNOOC 🇨🇳
- Cameco — Cameco 🇨🇦
- Canadian Natural — Canadian Natural 🇨🇦
- Canwest Propane — Superior Plus 🇨🇦
Frequently asked questions
Who is the parent company of TransAlta?
The parent company of TransAlta is TransAlta Corporation, a publicly listed company headquartered in Canada.
Is TransAlta Canadian?
Yes. TransAlta originated in Canada and its owner, TransAlta Corporation, is also headquartered in Canada.
Is TransAlta still owned by TransAlta Corporation?
Yes. As of 5 October 2026, TransAlta is still owned by TransAlta Corporation. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] TransAlta Corporation Annual Report on Form 40-F filed 2026-02-27 — SEC EDGAR, SEC filing, published 27 February 2026; retrieved 5 October 2026.
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