Welcome to our dedicated page for TransAlta news (Ticker: TAC), a resource for investors and traders seeking the latest updates and insights on TransAlta stock.
TransAlta Corporation (TAC) generates frequent news as a publicly traded power producer with a diversified fleet of electrical power generation assets in Canada, the United States and Australia. News coverage for TAC often reflects developments across its hydro, wind, solar, gas and thermal generation portfolio, as well as its role as one of Canada’s largest producers of wind power and Alberta’s largest producer of thermal and hydro-electric power.
Investors following TransAlta’s news can expect regular updates on operational decisions affecting specific facilities, such as notices to mothball units, regulatory orders affecting plant availability, and long-term agreements that reshape the company’s asset base. Recent examples include a notice to temporarily mothball Sheerness Unit 1 in Alberta and an order from the United States Department of Energy requiring Centralia Unit 2 in Washington State to remain available for operation for a defined period.
Corporate news for TAC also covers long-term contracts and acquisitions, such as a tolling agreement to convert Centralia Unit 2 from coal to natural gas-fired generation and a definitive agreement to acquire a 310 megawatt contracted Ontario gas portfolio. These items illustrate how TransAlta adjusts its portfolio through coal-to-gas conversions, contracted capacity arrangements and strategic acquisitions.
Financial and capital markets updates appear in TransAlta’s announcements of quarterly results, dividend declarations on common and preferred shares, credit facility extensions and other financing-related developments. Governance and leadership topics, such as the planned succession of the company’s President and Chief Executive Officer, also feature in the news flow.
This news page aggregates these types of items so readers can monitor TransAlta’s operational decisions, financial performance, ESG-related disclosures and strategic transactions in one place. For users tracking TAC, revisiting this page provides a view of how the company’s generation fleet, contracts and capital allocation priorities evolve over time.
TransAlta (TSX: TA, NYSE: TAC) will release fourth quarter and full year 2025 results before markets open on Friday, February 27, 2026.
A conference call and webcast to discuss results and the company’s 2026 annual guidance will begin at 9:00 a.m. MT / 11:00 a.m. ET the same day. Replay and transcript will be available on the company website.
TransAlta (NYSE: TAC) announced that Alberta Power (2000) Ltd., a subsidiary, provided notice on Dec 18, 2025 that Sheerness Unit 1 will be temporarily mothballed effective Apr 1, 2026 for a period of up to two years. The company said the unit will remain available and fully operational through the winter season and that Sheerness Unit 2 will remain fully in service. TransAlta retains the flexibility to return Unit 1 to service if market fundamentals or contracting opportunities emerge, and described the action as preserving the long-term optionality of the asset while supporting its data centre strategy.
TransAlta (NYSE: TAC) confirmed that its subsidiary TransAlta Centralia Generation LLC received an order from the U.S. Department of Energy requiring Centralia Unit 2 in Washington State to remain available for operation for 90 days, through March 16, 2026. The company says it is evaluating the Order and will cooperate with state and federal authorities. Additional details will be provided as they become available.
TransAlta (NYSE:TAC, TSX:TA) declared quarterly dividends on Dec 12, 2025.
The Board set a common share dividend of $0.065 per share payable on April 1, 2026 to holders of record at the close of business on March 1, 2026.
The Board also declared quarterly dividends for multiple cumulative redeemable rate reset preferred share series covering the period Dec 31, 2025 to Mar 31, 2026, with March 1, 2026 record date and March 31, 2026 payment date. Per‑share amounts: Series A $0.17981, Series B $0.26186, Series C $0.36588, Series D $0.32782, Series E $0.43088, Series G $0.42331. Series B and D have quarterly floating rates that reset each quarter. All amounts are in Canadian dollars.
TransAlta (NYSE: TAC) signed a 16-year fixed-price tolling agreement with Puget Sound Energy to convert Centralia Unit 2 from coal to natural gas, contracting 700 MW of capacity through Dec. 31, 2044. The conversion targets a ~50% reduction in emission intensity, requires approximately US$600 million of capital, and is forecast to deliver a build multiple of ~5.5x. Target commercial operation is late-2028 with a planned final investment decision after approvals in early 2027.
The Agreement is subject to customary regulatory approvals, including WUTC approval for PSE.
TransAlta (TSX: TA; NYSE: TAC) will acquire a 310 MW contracted Ontario gas portfolio for $95 million (about $306/kW), increasing its Ontario footprint to 1,300 MW. The portfolio comprises four gas-fired plants (Iroquois Falls 120 MW, Kingston 110 MW, North Bay 40 MW, Kapuskasing 40 MW) and 167 acres of co-located land.
The deal is expected to be immediately accretive to free cash flow and cash yield, with ~68% of gross margin contracted to 2031, and management projects about $30 million average Adjusted EBITDA per year. The transaction is subject to regulatory approvals and is expected to close by early Q1 2026. Financing will use cash on hand and draws on credit facilities.
Hut 8 (Nasdaq, TSX: HUT) entered a definitive share purchase agreement to sell a 310 MW portfolio of four natural gas-fired Ontario power plants to TransAlta (NYSE: TAC; TSX: TA) on Nov 17, 2025.
Hut 8 stabilized the assets after acquiring them out of bankruptcy, secured five-year capacity contracts across the portfolio via the Ontario IESO MT2 auction, and executed operational and commercial measures to restore revenue generation. Hut 8 plans to redeploy proceeds toward its multi-gigawatt digital infrastructure development pipeline and prioritize capital for high-return projects.
TransAlta (NYSE: TAC) reported Q3 2025 results for the quarter ended Sept. 30, 2025, delivering solid operations despite weaker market pricing. Key metrics: Adjusted EBITDA $238M, FCF $105M ($0.35/share), cash flow from operations $251M, and net loss attributable to common shareholders $62M. Availability was 92.7% and production totaled 6,151 GWh. Corporate actions: CEO John Kousinioris will retire effective Apr. 30, 2026, with CFO Joel Hunter named successor; TransAlta completed required divestitures (Poplar Hill Aug. 1, 2025; Rainbow Lake Oct. 2, 2025); entered a 230 MW AESO Demand Transmission Service contract; extended committed credit facilities to 2029.
TransAlta (NYSE: TAC) announced a planned CEO succession: John Kousinioris will retire as President and CEO effective April 30, 2026.
The Board has appointed Joel Hunter, executive VP finance and CFO, to succeed Kousinioris and be nominated to join the Board effective April 30, 2026. Kousinioris will serve as a strategic advisor for six months after retirement. The company said the successor to the CFO role will be announced in the coming months. Kousinioris joined TransAlta in 2012 and was appointed CEO in 2021; he previously served as president of TransAlta Renewables from 2017 to 2021.
TransAlta (NYSE: TAC) declared a quarterly common dividend of $0.065 per common share payable on Jan. 1, 2026 to shareholders of record at the close of business on Dec. 1, 2025.
The board also declared quarterly dividends on its cumulative redeemable rate reset preferred shares for the period Sept. 30, 2025 to Dec. 31, 2025. Payment for all preferred series is scheduled for Dec. 31, 2025 to holders of record on Dec. 1, 2025. All amounts are in Canadian dollars.
- Series A (TA.PR.D): 2.877% — $0.17981
- Series B (TA.PR.E): 4.691% — $0.29560 (floating quarterly)
- Series C (TA.PR.F): 5.854% — $0.36588
- Series D (TA.PR.G): 5.761% — $0.36302 (floating quarterly)
- Series E (TA.PR.H): 6.894% — $0.43088
- Series G (TA.PR.J): 6.773% — $0.42331
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