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 Medium Voltage Switchgear Replacement project at Columbia Generating Station, as detailed in Request for Proposal (RFP) 714522 documents. For copies of RFP 714522 documents please reach out to Amie Bootsma at arbootsma@energy-northwest.com. IPL0314041 Feb 16 2026