Dec 23, 2025 • Stock Titan
NEUTRAL
[6-K] TRANSALTA CORP Current Report (Foreign Issuer)
TransAlta Corporation (TAC) has filed a Form 6-K Current Report with the SEC, dated December 22, 2025. This report, filed by the foreign private issuer, incorporates by reference a Second Supplemental Indenture dated December 22, 2025, into its existing Registration Statement on Form F-10. The filing, categorized as having low impact and neutral sentiment, confirms TransAlta's compliance with U.S. Securities Exchange Act requirements.
Dec 20, 2025 • MSN
NEUTRAL
US government orders TransAlta coal-fired plant to run 90 days longer than planned
The US government has mandated that TransAlta's coal-fired plant operate for an additional 90 days beyond its scheduled closure. This order was issued to ensure continued electricity supply, highlighting potential grid stability concerns.
Dec 18, 2025 • TradingView — Track All Markets
NEUTRAL
TransAlta - Unit Notified That Sheerness Unit 1 Will Be Temporarily Mothballed Effective April 1, 2026, For A Period Of Up To Two Years
TransAlta Corp has announced that its Sheerness Unit 1 will be temporarily mothballed starting April 1, 2026, for up to two years. Sheerness Unit 1 will remain operational through the winter, while Unit 2 will continue to operate as normal.
Dec 18, 2025 • Finviz
BULLISH
TransAlta Corporation (TAC): A Bull Case Theory
This article summarizes a bullish thesis on TransAlta Corporation (TAC), highlighting its unique positioning in the North American AI and HPC data center market due to Alberta's pro-data center policies and TAC's extensive energy capacity. Despite recent earnings disappointment, the company is seen as undervalued with significant upside potential from its energy-to-data center pivot. The thesis suggests that TAC offers a low-risk entry into the AI data center boom with robust existing earnings and transformative growth prospects.
Dec 17, 2025 • Crude Oil Prices Today | OilPrice.com
NEUTRAL
U.S. Orders TransAlta to Keep Washington Coal Plant Running Past Retirement
The U.S. Department of Energy has ordered TransAlta Corp. to continue operating its Centralia Unit 2 coal-fired power plant in Washington State beyond its scheduled retirement date, delaying its conversion to natural gas. This decision, citing regional reliability concerns and potential power shortages in the Pacific Northwest, marks the third instance of the current administration using emergency authority to extend the life of fossil-fuel plants, drawing criticism from environmental groups. TransAlta is evaluating the order while proceeding with plans for a $600 million coal-to-gas conversion aiming to cut emissions intensity by 50% by late 2028.
Dec 17, 2025 • Richmond News
NEUTRAL
U.S. government orders TransAlta coal-fired plant to run 90 days longer than planned
The U.S. Department of Energy has ordered TransAlta Corp. to keep its Centralia Unit 2 coal-fired plant in Washington State operational for an additional three months, past its planned shutdown at the end of this year. The plant, which was due to be converted to natural gas, will now operate until at least March 16. TransAlta is currently evaluating the order and working with government bodies on the unanticipated extension.