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SummaryUpdated Jun 1, 2026
TransAlta Corporation (TSX:TAC) is a Canadian independent power producer founded in 1909 and headquartered in Calgary, Alberta. The company has evolved from a regional utility into a diversified electricity generation company operating across Canada, the United States, and Australia. TransAlta owns and operates a fleet of power generation assets totaling approximately 3,000 megawatts of capacity, spanning hydroelectric, wind, solar, natural gas, and coal-fired facilities. The company has been publicly traded since 2001 and has undergone significant transformation in recent years, transitioning away from coal-fired generation toward cleaner energy sources while maintaining a balanced portfolio approach to power generation.
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Energy Secretary Chris Wright announced a new emergency order to keep the TransAlta-operated coal plant in Centralia, Washington online past its scheduled end-2025 shutdown.6d agoThe U.S. Department of Energy issued an order requiring TransAlta's Centralia Unit 2 in Washington State to remain available for operation for 90 days, until December 12, 2026.6d agoInsider Michael Politeski acquired 10,000 shares of TransAlta at C$17.77 per share on August 4, 2026.39d ago