Facility Interconnection Requirements (FIR) Template Download

Please submit the following form to download the FIR Template. Your information will be used for internal follow-up regarding implementation of and future improvements to the Template. Once you submit this form, you will be redirected to the Template. To edit the file, you must first download it to your computer. Please contact Eric Baran…
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WIRAB Technical Resource: Oversight of IBRs

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 reliability risks across the IBR lifecycle—from interconnection and modeling to commissioning, operation, and post-event performance. …
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Announcing New WIEB Officers and Staff

New WIEB OfficersThe Western Interstate Energy Board (WIEB) is pleased to announce its new leadership for the coming year: Chair: Maren Mahoney, Director of the Arizona Governor’s Office of Resiliency Vice Chair: Janine Benner, Director of the Oregon Department of Energy Second Vice Chair: Dwayne McClinton, Director, Nevada Governor’s Office of Energy Treasurer: Emy Lesofski, Director, Utah Office of…
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WIEB Webinar: 2025 Shultz Energy Fellowship

This summer, the Western Interstate Energy Board (WIEB) hosted two Shultz Energy fellows from Stanford University to investigate existing resource adequacy framework and reliability challenges in the Western States. The fellows conducted interviews with stakeholders across the region, from utility representatives to public utility commissioners, to further explore their perspectives on the evolving nature of…
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State Exploration of Western Transmission Cost Allocation Frameworks

The Committee on Regional Electric Power Cooperation is pleased to announce the final working materials of the State Exploration of Western Transmission Cost Allocation Frameworks study it began with Energy Strategies in February 2025, with the support of funding from the U.S. Department of Energy. Energy Strategies worked closely with states through the CREPC Transmission Collaborative to…
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Nuclear Fusion: A Policy Brief | February 2025

Fusion, the process that powers the sun and all stars in which two light atomic nuclei combine to form a single heavier one, releases vast amounts of energy, and it has long dangled the promise of being able to tap into a virtually limitless energy source. Fusion system’s technological development and investment have accelerated in…
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WIRAB Leadership Announcement | August 5, 2025

Commissioner Mary Throne of the Wyoming PSC left state service on August 1 to pursue a new opportunity. Consequently, she stepped down from the Western Interconnection Regional Advisory Body (WIRAB) and vacated her role as Chair. Commissioner Throne served WIRAB with distinction, first as Vice Chair (April 2022 – May 2023) and then as Chair…
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