🔌 EV Partnership Switch to Octopus Energy & unlock exclusive smart EV charging rates Find out more → Skip to main content

United States › Grid › Interconnection queues › Arizona

SOLAR + STORAGE · WEST

Solar + storage project Q389, Maricopa County

Solar + storage project Q389, Maricopa County is a 300 MW solar + storage request built and operating in the West interconnection queue, in Maricopa County, Arizona, connecting to Arizona Public Service.

Queue statusOperating
  1. PlanningQueued Mar 2021 (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingTarget Nov 2023 (current stage)
  5. Closed (not yet reached)

Request details

Queue ID
Q389
Grid region
West (non-ISO utilities)
Utility / transmission owner
Arizona Public Service
Connection point (POI)
Delaney 500 kV
Location
Maricopa County, Arizona
Technology
Solar: 300 MW · Battery
Total requested
300 MW
Service type
Network resource (NRIS)
Study phase
In-Service
Queue status
Operational
Entered queue
31 March 2021
Proposed online date
November 2023

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