United States › Grid › Interconnection queues › Arizona
SOLAR + STORAGE · WESTSolar + storage project 90, Pima County
Solar + storage project 90, Pima County is a 600 MW solar + storage request in interconnection study in the West interconnection queue, in Pima County, Arizona, connecting to Tucson Electric Power Company.
Queue statusIn planning
- PlanningQueued Jan 2021 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Dec 2025 (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
- 90
- Grid region
- West (non-ISO utilities)
- Utility / transmission owner
- Tucson Electric Power Company
- Connection point (POI)
- Pinal West - South Loop 345kV
- Location
- Pima County, Arizona
- Technology
- Solar: 400 MW · Battery: 200 MW
- Total requested
- 600 MW
- Service type
- Network resource (NRIS)
- Study phase
- IA EXECUTION IN PROGRESS
- Queue status
- Active
- Entered queue
- 27 January 2021
- Proposed online date
- December 2025
Location
Marker shows the centre of Pima County; the queue data does not give exact sites.
Other requests in Pima County
- Gas project 174, Pima CountyGas · 800 MW · in study
- Solar + storage project 84, Pima CountySolar + storage · 500 MW · in study
- Other project 107, Pima CountyOther · 400 MW · in study
- Other project 106, Pima CountyOther · 320 MW · in study
- Other project 62, Pima CountyOther · 300 MW · in study
- Other project Q618, Pima CountyOther · 250 MW · in study
- Other project 100, Pima CountyOther · 250 MW · in study
- Other project 110, Pima CountyOther · 200 MW · in study
- Other project 109, Pima CountyOther · 200 MW · in study
- Battery storage project 143, Pima CountyBattery storage · 200 MW · in study
- Other project 108, Pima CountyOther · 200 MW · in study
- Battery storage project 146, Pima CountyBattery storage · 175 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