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United States › Grid › Interconnection queues › Idaho

BATTERY STORAGE · WEST

Battery storage project 657, Ada County

Battery storage project 657, Ada County is a 150 MW battery storage request built and operating in the West interconnection queue, in Ada County, Idaho, connecting to Idaho Power Company.

Queue statusOperating
  1. PlanningQueued May 2022 (completed)
  2. ConsentedJan 2024 (completed)
  3. Construction (completed)
  4. OperatingJun 2025 (current stage)
  5. Closed (not yet reached)

Request details

Queue ID
657
Grid region
West (non-ISO utilities)
Utility / transmission owner
Idaho Power Company
Developer
Kuna BESS LLC
Connection point (POI)
Kuna 138kV Substation
Location
Ada County, Idaho
Technology
Battery: 150 MW
Total requested
150 MW
Service type
Network resource (NRIS)
Study phase
IA Executed
Queue status
Operational
Entered queue
16 May 2022
Agreement signed
4 January 2024
Proposed online date
June 2025
Came online
June 2025

Location

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

Power plants in Idaho · Transmission lines in Idaho

Other requests in Ada 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