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Comment Letter on 2026-NTFP-02 from COSR Chair and Vice Chair

Posted: 18 May at 2:18 pm

The Chair and Vice Chair of the Committee of State Representatives (COSR) prepared a comment letter in response to the Western Resource Adequacy Program’s (WRAP) Non-Task Force Proposal 2026-NTFP-02 (Edits to Business Practice Manual (BPM) Sections 105 and 202). This…

COSR Comment Letter on the WRAP’s 2026 Draft PRC Workplan

Posted: 18 May at 2:17 pm

The Committee of State Representatives (COSR) prepared a comment letter in response to the Western Resource Adequacy Program’s (WRAP) 2026 Draft PRC Workplan. This letter was submitted on April 15, 2026 and includes Committee feedback on various components of the…

COSR Comment Letter on the WRAP’s Planning Reserve Margin Proposal – PRC Workplan Task Force 2

Posted: 18 May at 2:16 pm

The Committee of State Representatives (COSR) prepared a comment letter in response to the Western Resource Adequacy Program’s (WRAP) proposal to reevaluate the Foward Showing Planning Reserve Margin (FSPRM) and Forward Showing Capacity Requirement, including timing and modeling methodology. This…

BOSR Comments on 2026 CAISO Market Policy Initiative Catalog and Roadmap Process

Posted: 13 May at 11:43 am

On May 11, 2026, the BOSR submitted consensus comments to the California ISO on the 2026 Market Policy Initiative Catalog and Roadmap Process. The comments can be viewed here.

2025 Nuclear Executive Orders and Western Implications | December 2025

Posted: 18 Mar at 1:09 pm

In May 2025, the Trump Administration issued four executive orders (EOs) – Reinvigorating the Nuclear Industrial Base, Reforming the Nuclear Regulatory Commission, Deploying Nuclear Reactor Technologies for National Security, and Reforming Nuclear Reactor Testing at DOE – that attempt a shift in U.S. nuclear…

WIEB Paper & Webinar: Electrification in the Western Interconnection

Posted: 4 Mar at 9:26 am

The Western Interstate Energy Board (WIEB) is pleased to announce the release of a new paper, Electrification in the Western Interconnection: Planning for Load Growth, Flexibility, and Reliability, examining how transportation and building electrification are reshaping electricity demand across the…

WIRAB Advice on MSPP Final Recommendations

Posted: 24 Feb at 2:39 pm

Formal Advice of the Western Interconnection Regional Advisory Body (WIRAB) on the Modernization of Standards Proccesses and Procedures Task Force’s Final Recommendations. Please contact Eric Baran (ebaran@westernenergyboard.org) or Marissa Moers (mmoers@westernenergyboard.org) with any questions. Advice

Harmonizing IBR Interconnection Requirements in the West

Posted: December 4, 2025

Harmonizing IBR Interconnection Requirements in the West Utilities across the Western Interconnection are rapidly deploying inverter-based resources (IBRs), yet interconnection requirements vary widely across transmission providers. These inconsistencies create uncertainty for developers, increase redesign risk, and can lead to uneven…

WIRAB Technical Resource: Oversight of IBRs

Posted: November 13, 2025

WIRAB Technical Resource: Oversight of Inverter-Based Resources (IBRs) in the West Utilities in the Western Interconnection are rapidly adding inverter-based resources (IBRs) such as solar, wind, and battery storage. In 2024, WIRAB commissioned the IBR Risk Assessment Report, which identified…

Open Letter from COSR Chair and Vice Chair to Participants in the Western Resource Adequacy Program

Posted: October 23, 2025

The Chair and Vice Chair of the Committee of State Representatives (COSR) prepared a letter in response to various letters between WRAP Participants and the Western Power Pool in advance of the October 31, 2025 exit notice deadline. You may…

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