WIRAB Library Archives - Western Interstate Energy Board

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Harmonizing IBR Interconnection Requirements in the West

Posted: 4 Dec at 2:55 pm

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: 13 Nov at 9:32 am

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…

WIRAB Leadership Announcement | August 5, 2025

Posted: 5 Aug at 5:12 pm

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…

WIRAB Advice on the WECC 2026 Business Plan and Budget | May 2025

Posted: 16 May at 11:29 am

WIRAB submitted Advice to the WECC Board of Directors on the proposed 2026 Business Plan and Budget (BP&B) for WECC. WIRAB reviewed the proposed 2026 BP&B and found the statutory budget and assessment to be reasonable and in the public…

2026 WIRAB Business Plan and Budget Posted for Public Comment

Posted: 1 May at 8:55 am

The Western Interconnection Regional Advisory Body (WIRAB) draft 2026 Business Plan and Budget (BP&B) is available for comment. Interested parties should submit comments by 5:00 PM MT on May 16, 2025. Please direct inquiries and e-mail comments to Eric Baran (ebaran@westernenergyboard.org),…

WIRAB Advice to FERC on Proposed IBR Ride-Through Reliability Standards (Docket No. RM25-3) | March 2025

Posted: December 7, 2024

On March 24, 2025, the Western Interconnection Regional Advisory Body (WIRAB) submitted formal advice to the Federal Energy Regulatory Commission (FERC) in response to the Notice of Proposed Rulemaking (NOPR) for Docket No. RM25-3-000. The NOPR proposes to adopt new…

WIRAB Advice to WECC on its Long Term Strategy | November 2024

Posted: November 15, 2024

WIRAB Advice to WECC on its Long Term Strategy | November 2024 WIRAB submitted Advice to WECC on its Draft Long-Term Strategy. WIRAB has statutory authority under Section 215(j) of the Federal Power Act to review and advise FERC, NERC,…

UPDATE: WIRAB Endorses Inverter-Based Resource (IBR) Risk Assessment Report and Recommendations

Posted: October 4, 2024

The Western Interconnection Regional Advisory Body (WIRAB) endorses its IBR Risk Assessment Report and its recommendations. This assessment was conducted in collaboration with Elevate Energy Consulting and provides a thorough analysis of current and past efforts to address challenges with…

WIRAB Advice on the WECC 2025 Business Plan and Budget

Posted: June 24, 2024

WIRAB submitted Advice to the WECC Board of Directors on the proposed 2025 Business Plan and Budget (BP&B) for WECC. WIRAB reviewed the proposed 2024 BP&B and found the budget and assessment to be reasonable and in the public interest.…

WIRAB Advice to WECC on the 2024 WECC Reliability Risk Priorities | June 2024

Posted: June 17, 2024

WIRAB submitted Advice to the WECC Board of Directors on Preliminary 2024 WECC Reliability Risk Priorities (RRPs). WIRAB reviewed the risks based on two key principles: Is the risk unique to the Western Interconnection?; and Can WECC effectively address and…

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