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United States › Grid › Interconnection queues › Arizona

BATTERY STORAGE · WEST

Battery storage project Q384, Maricopa County

Battery storage project Q384, Maricopa County is a 125 MW battery storage request suspended in the West interconnection queue, in Maricopa County, Arizona, connecting to Arizona Public Service.

Queue statusPaused / redesign
  1. PlanningQueued Mar 2021 (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingTarget Oct 2025 (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
Q384
Grid region
West (non-ISO utilities)
Utility / transmission owner
Arizona Public Service
Connection point (POI)
Westwing 69kV Substation
Location
Maricopa County, Arizona
Technology
Battery: 125 MW
Total requested
125 MW
Service type
Network resource (NRIS)
Study phase
Customer Initiated Suspension
Queue status
Suspended
Entered queue
31 March 2021
Proposed online date
October 2025

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