The Council is developing its next power plan. Throughout the process, we’ll keep you informed on important milestones, the methods and analysis, and other work as it becomes available.
Estimated timeline (click for detail):
Scenario analysis is one way to account for uncertainty in the power planning landscape by evaluating the potential impacts of changing key assumptions.
Each scenario goes through a four step process examining market availability, regional needs, resource optimization and a check on adequacy:
The Ninth Plan will have two priority scenarios with a range of sensitivities to be explored:
The draft Ninth Power Plan has been released for public comment through October 16, 2026 with public hearings to be scheduled in Idaho, Montana, Oregon, Washington and online.
Modeling technical information and workbooks
Council meeting presentations:
REGIONAL RESOURCE OPTIMIZATION
Modeling of new resources additions to inform Power Plan recommendations
MARKET AVAILABILITY STUDIES
A look at west-wide resource builds to determine market depth for in-region analysis
REGIONAL NEEDS ASSESSMENTS
Assessing the region’s future resource needs across a range of uncertainty
