U.S. mandates TransAlta keep Centralia Unit 2 online for 90 days
TAC•TransAlta’s Centralia Unit 2 in Washington has been ordered by the U.S. Department of Energy to remain operationally available for an additional 90 days through September 13, 2026. TransAlta Centralia Generation LLC will comply with the mandate and coordinate with federal and state authorities during the extension.
1. DOE Extends Centralia Unit 2 Availability
TransAlta Centralia Generation LLC has received a U.S. Department of Energy order requiring Centralia Unit 2 to remain available for operation for 90 days until September 13, 2026. This extension ensures the coal-fired unit stays on standby to support grid reliability in Washington State.
2. Compliance and Coordination
TransAlta will comply with the mandate and work closely with federal and Washington state agencies to manage operational readiness. The requirement may influence near-term operating costs and potential capacity payments under existing power purchase agreements.




