TransAlta Corporation is a Canada-based power generation and wholesale marketing company headquartered in Calgary, Alberta. The company develops, owns, and operates electricity-generating facilities and supplies power to utilities, commercial customers, industrial users, and wholesale markets.
TransAlta’s generating portfolio includes hydroelectric, wind, solar, natural gas, and energy storage assets. The company has also historically operated coal-fired power plants, although it has been transitioning away from coal and expanding its renewable and lower-emission generation capabilities. Its services include electricity generation, power marketing, and related energy management activities.
Founded in 1909, TransAlta serves electricity markets in Canada, the United States, and Australia. The company is led by John Kousinioris, who has served as president and chief executive officer since 2021.
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