TransAlta

TAC

Market cap $3.73B

TransAlta Corporation (TAC) is well positioned to capitalize on surging AI-driven energy demand, especially for data centers in Alberta. TAC trades at attractive valuation multiples—EV/EBITDA of 8.8x versus a sector median of 11.8x—offering a compelling entry point after recent share pullback. Alberta's regulatory modernization and favorable climate enhance TAC's long-term prospects, with price ceilings expected to rise and natural cooling benefits for data centers.

CALGARY, Alberta, Dec. 18, 2025 (GLOBE NEWSWIRE) -- Alberta Power (2000) Ltd., a subsidiary of TransAlta Corporation (TransAlta or the Company) (TSX: TA) (NYSE: TAC), provided notice to the Alberta Electric System Operator on December 18, 2025, that Sheerness Unit 1 will be temporarily mothballed effective April 1, 2026, for a period of up to two years. TransAlta maintains the flexibility to return the mothballed unit to service when market fundamentals or contracting opportunities are secured. The unit will remain available and fully operational through the winter season and Sheerness Unit 2 will remain fully in service.

TransAlta has been ordered by the Energy Department to keep open for a 90-day period a coal-fired power station in Washington state that had been earmarked for closure.

CALGARY, Alberta, Dec. 17, 2025 (GLOBE NEWSWIRE) -- TransAlta Corporation (TransAlta or the Company) (TSX: TA) (NYSE: TAC) confirms that its subsidiary, TransAlta Centralia Generation LLC, has received an order (the Order) from the United States Department of Energy. The Order mandates that Centralia Unit 2 in Washington State remain available for operation, for a period of 90 days, until March 16, 2026.

The U.S. energy secretary signed an order on Tuesday to keep a unit open at TransAlta coal power plant in Washington state through much of the winter, in the latest move by the Trump administration to support fossil fuels.

CALGARY, Alberta, Dec. 12, 2025 (GLOBE NEWSWIRE) -- The Board of Directors of TransAlta Corporation (TSX: TA) (NYSE: TAC) declared a quarterly dividend of $0.065 per common share payable on April 1, 2026, to shareholders of record at the close of business on March 1, 2026.

Welcome to the Green Stock News brief for Tuesday December 9th. Here are today's top headlines: Rocket Lab's (NASDAQ: RKLB) Neutron rocket has successfully completed qualification testing of its innovative “Hungry Hippo” fairing, which stays attached to the first stage during launch and landing for full reusability—a world-first for a commercial rocket.

CALGARY, Alberta, Dec. 09, 2025 (GLOBE NEWSWIRE) -- Highlights TransAlta to perform coal-to-gas conversion on its Centralia Unit 2 facility in Washington state, with a planned contracted capacity of 700 MW The converted facility will deliver reliable power to Puget Sound Energy under a long-term, 16-year fixed price contract through Dec. 31, 2044 The project is currently projected to deliver a build multiple1 of approximately 5.5 times The converted facility maintains TransAlta's position in its strategic core jurisdiction of the Pacific Northwest and extends the life of one of its legacy assets TransAlta Corporation (TransAlta or the Company) (TSX: TA) (NYSE: TAC) is pleased to announce that it has signed a long-term tolling agreement (the Agreement) with Puget Sound Energy, Inc. (PSE) to convert its Centralia Unit 2 facility from coal to natural gas-fired generation. The Agreement provides a fixed-price capacity payment that provides PSE the exclusive right to the capacity, energy and ancillary service attributes of, as well as the dispatch rights to, the 700 MW facility.

CALGARY, Alberta, Nov. 17, 2025 (GLOBE NEWSWIRE) -- Highlights Purchase price of $95 million, or approximately $306 per kilowatt (kW) Immediately accretive to free cash flow and cash yield upon closing with approximately 68% of the portfolio's gross margin contracted to 2031; attractive recontracting fundamentals longer-term TransAlta's Energy Marketing and Trading team to deliver merchant upside and synergies Augments and further diversifies TransAlta's contracted portfolio and enhances competitive position in our core market of Ontario, increasing our footprint by 310 megawatts (MW) to 1,300 MW TransAlta Corporation (TransAlta or the Company) (TSX: TA; NYSE: TAC) is pleased to announce that it has entered into a definitive share purchase agreement (the Agreement) with an affiliate of Hut 8 Corp. and Macquarie Equipment Finance Ltd., the equity owners of Far North Power Corporation (Far North), pursuant to which TransAlta will acquire Far North and its entire business operations in Ontario.

Transaction concludes a multi-phase program through which Hut 8 stabilized and strengthened the Portfolio following its acquisition out of bankruptcy MIAMI , Nov. 17, 2025 /PRNewswire/ -- Hut 8 Corp. (Nasdaq, TSX: HUT) ("Hut 8" or the "Company"), an energy infrastructure platform integrating power, digital infrastructure, and compute at scale to fuel next-generation, energy-intensive use cases, today announced that it has entered into a definitive share purchase agreement (the "Agreement") with TransAlta Corporation (NYSE: TAC; TSX: TA) ("TransAlta"), one of Canada's largest publicly traded power generators. Under the Agreement, TransAlta will acquire the 310-megawatt portfolio of four natural gas-fired power plants in Ontario (the "Portfolio") owned and operated by Far North Power Corp. ("Far North"), an entity formed by Hut 8 and Macquarie Equipment Finance Ltd.