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TransCanada

TransCanada is the former name of TC Energy, a Canadian energy infrastructure company headquartered in Calgary, Alberta.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

TransCanada is the former name of TC Energy, a major Canadian energy infrastructure company headquartered in Calgary, Alberta. Founded in 1951, it originally developed major pipeline infrastructure in Canada and now operates natural gas pipelines, power generation, and gas storage assets across Canada, the United States, and Mexico. The company changed its name to TC Energy in May 2019 to reflect its broader North American operations.

History

The company was founded in 1951 under the TransCanada name and originally developed major pipeline infrastructure in Canada. It adopted the TC Energy name in 2019 to better reflect its operations across North America.

Operations

TC Energy, formerly TransCanada, focuses on natural gas pipelines, gas storage, and power generation. Its network extends across Canada, the United States, and Mexico.

Corporate identity

The TransCanada name is now used mainly in historical and legacy references, while the company’s current corporate identity is TC Energy. Public trading continues under the ticker TRP.

Scale and reach

Sources describe the company as one of North America’s largest energy infrastructure operators, transporting a substantial share of the continent’s natural gas demand and maintaining major storage and generation assets.

Key facts

  • TransCanada was the former corporate name of TC Energy.
  • The company was founded in 1951 and is headquartered in Calgary, Alberta.
  • It operates a large natural gas pipeline network in North America, with reported lengths of about 92,600 to 94,000 kilometres.
  • The company changed its name to TC Energy in May 2019.
  • It trades on the Toronto Stock Exchange and the New York Stock Exchange under the symbol TRP.
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Canadian context

TransCanada is a major Canadian energy company with its headquarters in Calgary and a history tied to Canadian pipeline development. Its former name is still widely recognized in Canadian business and energy coverage.

Frequently asked questions

What is TransCanada?
TransCanada is the former name of TC Energy, a Canadian energy infrastructure company based in Calgary, Alberta.
When did TransCanada change its name?
The company changed its name to TC Energy in May 2019.
What does TC Energy do?
It builds and operates natural gas pipelines, power generation facilities, and gas storage assets across North America.
Where is the company headquartered?
The company is headquartered in Calgary, Alberta, Canada.
Is TransCanada still a public company name?
The company now uses the TC Energy name, but its shares trade under the ticker TRP on the Toronto and New York stock exchanges.

References

  1. Wikipedia — https://en.wikipedia.org/wiki/TC_Energy
    Supports: Former name TransCanada, headquarters, founded in 1951, energy infrastructure activities, pipeline network, stock ticker.
  2. The Canadian Encyclopedia — https://thecanadianencyclopedia.ca/en/article/transcanada-pipelines-limited
    Supports: Former name, headquarters, business lines, public listing, revenue and employee information.
  3. TC Energy — https://www.tcenergy.com/announcements/2019/2019-05-03transcanada-corporation-announces-shareholder-approval-of-corporate-name-change-and-2019-annual-and-special-meeting-board-of-directors/
    Supports: 2019 shareholder approval of the name change, pipeline network size, storage capacity, power generation interests, stock ticker.
  4. TC Energy — https://www.tcenergy.com/siteassets/pdfs/natural-gas/medicine-hat-looping-project--2023/tc-our-name-change.pdf
    Supports: Reason for the name change from TransCanada to TC Energy and description of North American operations.
  5. Reuters — https://www.reuters.com/
    Supports: Report that TransCanada changed its name to TC Energy in 2019 to reflect operations beyond Canada.