Notice to Bidders Energy Northwest, a joint operating agency and municipal corporation in the State of Washington, invites Bids to PERFORM ROBOTIC VACUUMING OF CSTS at Columbia Generating Station, as described herein, from qualified Bidders. Bidder will be selected in accordance with Revised Code of Washington (RCW) §43.52.560. This Invitation for Bid (IFB) 717300 is subject to prevailing wage requirements pursuant to chapter 39.12 RCW. IPL0357746 Jul 15 2026