WIRAB Technical Resource: Oversight of Large Load Interconnection in the West

September 3, 2026

Announcements, WIRAB Library, WIRAB Meetings

Utilities across the Western Interconnection are facing unprecedented demand from large customers—ranging from 50 MW to more than 1,000 MW. Effective regulatory oversight is essential to protect consumers, ensure prudent utility investment, and maintain reliability as these loads connect to the grid.

With input from Western state commissions, WIRAB and Elevate Energy Consulting developed this Technical Resource to help regulators evaluate large load proposals in resource plans, interconnection reviews, rate cases, tariff proceedings, and other regulatory dockets.

Inside the Technical Resource:

  • An overview of state, FERC, and NERC responsibilities and remaining gaps as federal requirements for large loads evolve.
  • Eleven recommendations addressing cost allocation, financial assurances, forecasting, interconnection requirements, and regional coordination.
  • Guiding questions across ten priority issues, including load forecast uncertainty, stranded-asset risk, co-location, bring-your-own-generation, and load flexibility.

Although designed primarily for state public utility commissions, the guidance may also benefit state energy offices, consumer-owned, municipal, and cooperative utilities.

Special WIRAB Monthly Meeting: September 3 at 2:00 PM MT (1:00 PM PT)

Join WIRAB during its Monthly Meeting for an overview of the resource and a discussion of how to use the resource.

If you have any questions, please contact Eric Baran at ebaran@westernenergyboard.org.