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United States › Grid › Interconnection queues › Arizona

BATTERY STORAGE · WEST

Battery storage project 147, Pima County

Battery storage project 147, Pima County is a 150 MW battery storage request in interconnection study in the West interconnection queue, in Pima County, Arizona, connecting to Tucson Electric Power Company.

Queue statusIn planning
  1. PlanningQueued Dec 2022 (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingTarget Dec 2026 (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
147
Grid region
West (non-ISO utilities)
Utility / transmission owner
Tucson Electric Power Company
Connection point (POI)
Kino 138kV Substation
Location
Pima County, Arizona
Technology
Battery: 150 MW
Total requested
150 MW
Service type
Network resource (NRIS)
Queue status
Active
Entered queue
19 December 2022
Proposed online date
December 2026

Location

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

Power plants in Arizona · Transmission lines in Arizona

Other requests in Pima 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