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United States › Grid › Interconnection queues › Arizona

SOLAR + STORAGE · CAISO

Harquahala Flats 2

Harquahala Flats 2 is a 822 MW solar + storage request in interconnection study in the CAISO interconnection queue, in Maricopa County, Arizona, connecting to DCRT.

Queue statusIn planning
  1. PlanningQueued Apr 2021 (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingTarget Apr 2028 (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
2027
Grid region
CAISO (California)
Utility / transmission owner
DCRT
Connection point (POI)
Delaney Substation 500 kV
Location
Maricopa County, Arizona
Technology
Solar: 411 MW · Battery: 411 MW
Total requested
822 MW
Service type
Network resource (NRIS)
Study phase
System Impact Study
Queue status
Active
Entered queue
15 April 2021
Proposed online date
April 2028

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