2025 Washington Situs Request for Proposals

PacifiCorp is seeking approval for its RFP and schedule in Washington Docket UE-250460. Please consult the docket on the commission website regarding the regulatory proceeding.

More information on how to participate in Washington’s process is provided below.

Background

PacifiCorp established an action item out of PacifiCorp’s 2025 Integrated Resource Plan (IRP) to initiate with individual jurisdictions the process to issue as appropriate by individual jurisdiction need, one or more independent Request for Proposals (RFP) to procure resources that are aligned with the 2025 IRP preferred portfolio and that can achieve commercial operation by the end of December 2029. The Washington share of the 2025 IRP preferred portfolio includes 524 megawatts of new utility-scale proxy solar resources, 466 megawatts of utility-scale proxy wind resources,1,147 megawatts of new four-hour battery proxy storage resources, and 238 megawatts of new battery proxy storage resources with at least 24 hours duration, by the end of 2029. Note: these figures and locations are indicative.

Under the 2025 Washington Situs Request for Proposals, PacifiCorp is seeking proposals for competitively priced resources capable of delivery to PacifiCorp’s customer load in the state of Washington. PacifiCorp’s 2025 Washington Situs Request for Proposals will consider power purchase agreement and energy storage agreement bids. PacifiCorp is not submitting any self-build (benchmark) resources in its 2025 Washington Situs Request for Proposals.

For questions or to be added to the 2025 Washington Situs RFP distribution list, please contact us at: 2025WASitusRFP@PacifiCorp.com.

2025 Washington Situs RFP Questions and Answers (Q&A)

When available an updated list of questions submitted by stakeholders with corresponding responses from PacifiCorp posed by stakeholders to the 2025 Washington Situs RFP email address, will be posted here. Questions should be submitted to 2025WASitusRFP@PacifiCorp.com. Interested parties are encouraged to monitor this site for responses to additional questions.

2025 Washington Situs RFP Documents & Appendices – Filed for commission approval on June 10, 2025

See the RFP main document with instructions and supporting appendices.

PacifiCorp Transmission – Round 1 and Round 2 Study Results

When available, Transmission Consulting Agreement Studies Round 1 and Transmission Consulting Agreement Studies Round 2, described further in the 2025 Washington Situs RFP main document, will be posted to the Open Access Same-time Information System (OASIS), Generation Interconnection folder, Cluster Queues subfolder. 

Visit OASIS

Bidder’s Workshop

A bidder workshop will be scheduled and will cover the 2025 WA Situs RFP structure, deliverables, schedule, requirements, required forms and interconnection requirements. The bidder workshop will be scheduled as a Microsoft Teams meeting for remote attendance. Additional details on the bidder workshop will be posted here when they become available. 

Questions

Questions for PacifiCorp: Any questions or comments by interested parties regarding the 2025 WA Situs RFP can be sent via email to PacifiCorp to 2025WASitusRFP@PacifiCorp.com. Interested parties are encouraged to monitor this site for responses to subsequently submitted additional questions.

Regulatory Schedule

This regulatory schedule is indicative and remains subject to change:

RFP Schedule

This RFP schedule is indicative and remains subject to change. Interested parties are encouraged to monitor this website for subsequent schedule updates and information regarding bidder workshop participation. 

Public Participation: Consistent with rules established in Chapter 480-107-017 WAC, interested parties have 45 days to submit written comments after a draft RFP is filed. Written comments may be submitted electronically through the Commission’s web portal. If you are unable to submit documents via the portal, you may submit your comments by email, or by mailing or delivering an electronic copy to the Commission’s Records Center. Comment submissions should include the docket number (to-be-determined), commenting party’s name and the title and date of the comments. The Commission will post all comments that are provided in electronic format to the 2025 WA Situs RFP docket on its website.

Interested parties may also participate in WUTC open meetings to discuss the draft 2025 Washington Situs RFP. Information about the timing of meetings and how to participate will be posted to the Commission’s website in the 2025 Washington Situs RFP docket UE-250460. Information about open meetings can also be found on the Commission’s website on the Open Meetings page.

The Commission has 75 days after the utility files its draft RFP to approve, approve with conditions, or suspend the filed RFP. PacifiCorp has filed a draft 2025 Washington Situs RFP on June 10, 2025.

Questions about the comment submittal process and/or requests to be placed on the Commission’s distribution list for utility RFPs can be directed to the Commission’s Records Center at records@utc.wa.gov. Questions about the 2025 WA Situs RFP and/or requests to be placed on the stakeholder distribution list for this 2025 Washington Situs RFP may be directed to 2025WASitusRFP@PacifiCorp.com.