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United States › Grid › Interconnection queues › Oregon

BATTERY STORAGE · WEST

Battery storage project 23-221, Washington County

Battery storage project 23-221, Washington County is a 400 MW battery storage request in interconnection study in the West interconnection queue, in Washington County, Oregon, connecting to Portland General Electric.

Queue statusIn planning
  1. PlanningQueued Mar 2023 (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingTarget Sep 2027 (not yet reached)
  5. Closed (not yet reached)

Studies assess what grid upgrades the project would need and who pays for them. A signed interconnection agreement is the main step before construction.

Request details

Queue ID
23-221
Grid region
West (non-ISO utilities)
Utility / transmission owner
Portland General Electric
Connection point (POI)
Evergreen Substation 230kV
Location
Washington County, Oregon
Technology
Battery: 400 MW
Total requested
400 MW
Service type
Network resource (NRIS)
Study phase
Cluster Study
Queue status
Active
Entered queue
3 March 2023
Proposed online date
September 2027

Location

Marker shows the centre of Washington County; the queue data does not give exact sites.

Power plants in Oregon · Transmission lines in Oregon

Other requests in Washington County

Source: Lawrence Berkeley National Laboratory, Queued Up, data through end of 2025, compiled from ISO/RTO and utility queues. Check the grid operator's own queue for the latest status. Report a problem