With a market capitalization (market cap) of $3.72B — a measure of how much the company is worth — TransAlta Corporation is the 1640th most valuable company in Utilities as of August 18, 2026. Shares trade at $12.47, down +1.89% on the day.
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TransAlta Corporation specializes in the ownership, operation, and expansion of a diverse array of electricity generation facilities, with a geographical presence spanning Canada, the United States, and Australia. The company's activities are organized into four key divisions: Hydro, Wind and Solar, Gas, and Energy Transition. Within its portfolio, TransAlta operates plants powered by hydroelectric, wind, solar, natural gas, and even coal. Beyond generating power, TransAlta is active in the wholesale trading of electricity, energy commodities, and financial derivatives. Its operations also encompass related mining ventures and the management of natural gas pipelines. The firm caters to a broad spectrum of clients, including municipalities, various industrial and commercial enterprises, and other utility providers. Founded in 1909, TransAlta's corporate headquarters are situated in Calgary, Canada.
Visit websiteAs of August 18, 2026, TransAlta Corporation (TAC) is worth $3.72B — this is its market capitalization, the total value of all its outstanding shares.
TransAlta Corporation’s market cap is $3.72B, which ranks it #1640 among the most valuable companies in the Utilities sector tracked on MarketCapLens.
TransAlta Corporation (TAC) shares trade at $12.47, down 1.89% on the day, as of August 18, 2026.
Fundamentals are annual. Figures labeled with their fiscal year.
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