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United States › Grid › Interconnection queues › Idaho

SOLAR + STORAGE · WEST

Solar + storage project 667, Elmore County

Solar + storage project 667, Elmore County is a 400 MW solar + storage request suspended in the West interconnection queue, in Elmore County, Idaho, connecting to Idaho Power Company.

Queue statusPaused / redesign
  1. PlanningQueued Aug 2022 (current stage)
  2. ConsentedMar 2024 (not yet reached)
  3. Construction (not yet reached)
  4. OperatingTarget Mar 2029 (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
667
Grid region
West (non-ISO utilities)
Utility / transmission owner
Idaho Power Company
Developer
Martha Fields Energy Center, LLC
Connection point (POI)
BOBN–MPSN #2 230kV Line
Location
Elmore County, Idaho
Technology
Solar: 400 MW · Battery
Total requested
400 MW
Service type
Network resource (NRIS)
Study phase
IA Executed
Queue status
Suspended
Entered queue
17 August 2022
Agreement signed
7 March 2024
Proposed online date
March 2029

Location

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

Power plants in Idaho · Transmission lines in Idaho

Other requests in Elmore 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