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United States › Grid › Interconnection queues › Arizona

SOLAR + STORAGE · WEST

Solar + storage project Q437, Maricopa County

Solar + storage project Q437, Maricopa County is a 300 MW solar + storage request in interconnection study in the West interconnection queue, in Maricopa County, Arizona, connecting to Arizona Public Service.

Queue statusIn planning
  1. PlanningQueued Sep 2021 (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingTarget May 2024 (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
Q437
Grid region
West (non-ISO utilities)
Utility / transmission owner
Arizona Public Service
Connection point (POI)
Delaney 500kV Substation (Q276 POI 500kV)
Location
Maricopa County, Arizona
Technology
Solar: 300 MW · Battery
Total requested
300 MW
Service type
Energy only (ERIS)
Study phase
Transitional Cluster: Phase 4 Facilities Study
Queue status
Active
Entered queue
30 September 2021
Proposed online date
May 2024

Location

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

Power plants in Arizona · Transmission lines in Arizona

Other requests in Maricopa 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