NOTICE TO BIDDERS Pursuant to Revised Code of Washington §43.52.565, Energy Northwest, a Joint Operating Agency and Municipal Corporation in the State of Washington, is inviting competitive proposals from qualified Bidders for the Heat Exchanger Maintenance and Eddy Current Testing project at Columbia Generating Station, as detailed in Request for Proposal (RFP) 715123 documents. For copies of the RFP 715123 documents, please reach out to Stacy Jackson at sjackson@energy-northwest.com. IPL0331092 Apr 15 2026