NOTICE TO BIDDERS NOTICE TO BIDDERS Proposals will be received by Energy Northwest via email until 1:00 PM (Local, Richland WA) on June 1, 2026, for the Direct Current charger and Containment Monitoring System upgrade as more fully described in the Request for Proposal (RFP) No. 714511. All Proposals shall be subject to and comply with the RFP Documents. For a copy of these documents refer to our website. IPL0338802 May 11 2026