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​Walla Walla Load Interconnection Capability

​To support the broader economic development goals of the region, BPA is seeking to better understand local economic development priorities and inform customer and stakeholder decisions by pro-actively providing information about BPA’s local load-service capabilities.

The Walla Walla load area is located in southeastern Washington and northeastern Oregon. It includes the city of Walla Walla as well as the smaller community of Milton-Freewater. It includes the Washington counties of Walla Walla, Columbia, Garfield, and Asotin and part of the Oregon county of Umatilla.

​Utilities in the Walla Walla Load area include
  • ​PacifiCorp
  • City of Milton-Freewater
  • Clearwater Power Company
  • Columbia REA
  • Inland Power & Light
  • Umatilla Electric Coop
Existing Transmission System Limit for the Walla Walla Load Area

​195 MW

The following graph depicts key data points that may help inform initial feasibility questions related to the new large load addition. You will find:
  • The most limiting season
  • Historic peak load information
  • Forecasted load 10 years out
  • Load area with system average load growth
  • Aggressive Load growth scenario (if applicable) depicts all queued load coming online in the 10 year planning horizon
  • Local Load Area Capability

For questions, please contact interconnection@bpa.gov