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 (NYSE: TAC) held its 2026 Investor Day on March 23, 2026, presenting strategic priorities, Alberta market outlook and long-term growth to 2029.
The company emphasized optimizing existing assets, advancing an Alberta data centre MOU, pursuing Centralia and disciplined M&A while forecasting meaningful Adjusted EBITDA and free cash flow growth toward 2029.
TransAlta (NYSE: TAC) announced preferred share conversion results as of March 31, 2026. No Series A (9,629,913 outstanding) converted into Series B; 1,148,549 Series B of 2,370,087 converted into Series A on a one-for-one basis. Post-conversion counts: 10,778,462 Series A and 1,221,538 Series B outstanding. The Series A and Series B shares trade on the Toronto Stock Exchange as TA.PR.D and TA.PR.E, respectively.
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 to remain available for operation for 90 days, through June 14, 2026. TransAlta is evaluating the Order and will coordinate with state and federal governments.
TransAlta (NYSE: TAC) will not redeem its Series A or Series B preferred shares on March 31, 2026, enabling holders to either retain their shares or elect conversion one-for-one between Series A and Series B on the Conversion Date.
Holders face a March 16, 2026 3:00 p.m. MST election deadline; Series A fixed dividend is 1.19550% quarterly (4.78200% annual) for five years and Series B floating dividend is 1.05236% quarterly (4.22100% annual) for the next quarter, with quarterly resets thereafter.
TransAlta (NYSE: TAC) entered a Memorandum of Understanding on Feb 27, 2026 with CPP Investments and Brookfield to advance a data centre at its Keephills site in Alberta.
The MOU includes an initial long-term power purchase agreement for ~230 MW, exclusive site and power-provider status, and evaluation of additional development aggregating up to 1 GW, all subject to regulatory approvals and definitive binding agreements.
TransAlta (NYSE: TAC | TSX: TA) will hold an Investor Day in Toronto on Monday, March 23, 2026, with the formal presentation starting at 9:00 a.m. ET / 7:00 a.m. MT. The event is hybrid: in-person and live webcast attendance are available.
The session will cover the company’s strategic priorities, long-term plan, financial outlook and growth opportunities. A recording and the presentation will be posted to the Investor Centre for those unable to attend live.
TransAlta (NYSE: TAC) reported 2025 results with adjusted EBITDA $1,104M and free cash flow $514M. The Board approved an 8% dividend increase to $0.28/year. Management provided 2026 outlook: adjusted EBITDA $950M–$1,050M and FCF $350M–$450M. Key developments include a Keephills data centre MOU for an initial ~230 MW PPA (up to 1 GW), the $95M Far North acquisition, and a Centralia tolling agreement with ~US$600M estimated conversion capex.
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.