United States › Grid › Interconnection queues › Arizona
BATTERY STORAGE · WESTBattery storage project 122, Pinal County
Battery storage project 122, Pinal County is a 150 MW battery storage request in interconnection study in the West interconnection queue, in Pinal County, Arizona, connecting to Tucson Electric Power Company.
Queue statusIn planning
- PlanningQueued May 2022 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Dec 2026 (not yet reached)
- 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
- 122
- Grid region
- West (non-ISO utilities)
- Utility / transmission owner
- Tucson Electric Power Company
- Connection point (POI)
- Pinal West 345kV Substation
- Location
- Pinal County, Arizona
- Technology
- Battery: 150 MW
- Total requested
- 150 MW
- Service type
- Network resource (NRIS)
- Queue status
- Active
- Entered queue
- 20 May 2022
- Proposed online date
- December 2026
Location
Marker shows the centre of Pinal County; the queue data does not give exact sites.
Other requests in Pinal County
- Solar + storage project Q295, Pinal CountySolar + storage · 250 MW · agreement signed
- Solar + storage project Q264, Pinal CountySolar + storage · 130 MW · agreement signed
- Solar project Q254, Pinal CountySolar · 100 MW · agreement signed
- Gas project Q32, Pinal CountyGas · 928 MW · in study
- Solar + storage project Q563, Pinal CountySolar + storage · 500 MW · in study
- Solar + storage project 2021-G4, Pinal CountySolar + storage · 463 MW · in study
- Battery storage project Q2413, Pinal CountyBattery storage · 409 MW · in study
- Solar + storage project Q537, Pinal CountySolar + storage · 400 MW · in study
- Other project Q589, Pinal CountyOther · 400 MW · in study
- Solar + storage project Q09, Pinal CountySolar + storage · 400 MW · in study
- Battery storage project Q2516, Pinal CountyBattery storage · 352 MW · in study
- Battery storage project Q584, Pinal CountyBattery storage · 350 MW · in study
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