Notice to Bidders Energy Northwest, a joint operating agency and municipal corporation of the State of Washington, invites Bids for Turbine Main Steam By-Pass Valve Refurbishment at Columbia Generating Station from qualified Bidders. Bidder will be selected in accordance with RCW §43.52.560. This Invitation for Bid is subject to prevailing wage requirements pursuant to chapter 39.12 RCW. For a copy of these documents please see our website IPL0368067 Aug 21 2026