TransAlta Corporation, often abbreviated as TAC, is a publicly traded power generation company based in Calgary, Alberta, Canada. Listed on the Toronto Stock Exchange (TSX:TA) and the New York Stock Exchange (NYSE:TAC), TransAlta is one of the largest publicly traded power producers in Canada. Its diverse portfolio consists of power generation assets in Canada, the United States and Australia, making it an international player in the energy sector.
TransAlta was established in 1909 as Calgary Power Company Ltd., marking a remarkable history that spans over a century. The company transited to being TransAlta Corporation in 1981 in line with its expansion beyond Calgary, reflecting its goal to serve broader regions.
Focused on developing, operating and maintaining electricity power generation infrastructure, TransAlta's assets include hydro, wind, solar, gas and coal power plants. This diverse asset mix not only reflects the company's broad energy-producing capabilities but also its adaptability with the changing energy landscape. The company further distinguishes itself through its commitment to sustainability, aiming at reaching 100% clean electricity generation by 2030.
TransAlta is particularly well-respected for its notable experience in renewable energy. The company is one of the largest producers of wind energy in Canada. It has committed significant resources towards the development of renewable energy technologies such as wind, hydro and solar power, placing it at the forefront of the transition towards sustainable and green energy sources.
In addition to its power generation activities, TransAlta is actively engaged in wholesale trading of electricity and other energy-related commodities and derivatives. It is also a provider of ancillary services including capacity, reserves and reactive power support, which are critical to maintaining the reliability and stability of the power grid.
Whether it's through its commitment to evolving cleaner generation technology or its extensive portfolio spanning multiple geographies and resources, TransAlta Corporation continues to play a vital role in power generation industry. As the company looks towards the future, its focus on sustainability, diversified operations and dedication to meeting the ever-growing global energy demand solidify its position as a prominent leader in the energy sector.
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TransAlta Corp (TAC) shares recently fell 3.1% to $11.93, a price significantly above its GF Value estimate of $8.29, indicating it is 43.9% overvalued. The company's GF Score is 55/100, reflecting average overall performance with strong momentum but weak growth and financial strength. Given that TAC is cash-flow-negative and overvalued, investors are advised to exercise caution.
CIBC World Markets has reduced its price target for Transalta Corp. from C$26.00 to C$24.50 per share. This financial adjustment was reported by Dow Jones Newswires.
The Department of Energy has mandated that TransAlta Corporation's Centralia Unit 2 in Washington State must remain available for operation for an additional 90 days, until December 12, 2026. TransAlta confirms it will comply with this order and work with government agencies. The company is one of Canada's largest publicly traded power generators, providing electricity across Canada, the United States, and Western Australia.
TransAlta Corporation's stock (TSX: TA) declined 3.34% on August 21, 2026, due to weakening investor sentiment towards power generators, market volatility, and macroeconomic uncertainty. The company's diversified electricity generation portfolio, including both contracted and merchant assets, faces challenges from capital intensity, power price fluctuations, and geopolitical tensions. Investors are urged to remain cautious, focusing on earnings visibility and capital allocation as the risk-reward profile remains tilted towards caution.
TransAlta Corp (TAC) shares recently dropped 3.0%, continuing a 12.7% decline over the past month, and are trading significantly above their intrinsic value. GuruFocus's GF Value™ indicates TAC is 43.0% overvalued, with a GF Score™ of 58/100 suggesting average overall performance but poor financial strength and growth. The lack of insider transactions and gurus trimming their positions further signals caution for investors.
Bank of America Corp DE reduced its stake in TransAlta Corporation (NYSE:TAC) by 27.8% in the first quarter, selling over 3 million shares but still retaining approximately 7.96 million shares valued at $104.2 million. Despite this reduction and a recent "Strong Sell" downgrade from one analyst, TransAlta maintains a "Moderate Buy" consensus rating with a target price of $24.50. The company recently reported better-than-expected Q2 earnings per share of $0.13 and declared a quarterly dividend of $0.07 per share.