Energy Northwest's 1,210-megawatt (MW) Columbia Nuclear 02 unit at its Columbia Nuclear Generating Station in Washington is operating at 90% due to an issue with the adjustable speed drive (ASD). The event is expected to end March 30.
Site-wide Scheduled Maintenance for April 12, 2025, between 9 A.M. - 9 P.M. CST. During this time, all services will be unavailable periodically throughout the scheduled maintenance window.
