Department of Energy Mandates Centralia Unit 2 Remain Available for Operation for 90 Days

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. TransAlta is currently evaluating the Order and will work with the state and federal governments in rela ...