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United States › Grid › Interconnection queues › Arizona

BATTERY STORAGE · WEST

Battery storage project Q357, Maricopa County

Battery storage project Q357, Maricopa County is a 150 MW battery storage request under construction in the West interconnection queue, in Maricopa County, Arizona, connecting to Arizona Public Service.

Queue statusUnder construction
  1. PlanningQueued Sep 2020 (completed)
  2. Consented (completed)
  3. Construction (current stage)
  4. OperatingTarget Dec 2023 (not yet reached)
  5. Closed (not yet reached)

Request details

Queue ID
Q357
Grid region
West (non-ISO utilities)
Utility / transmission owner
Arizona Public Service
Connection point (POI)
Freedom 69kV
Location
Maricopa County, Arizona
Technology
Battery: 150 MW
Total requested
150 MW
Service type
NRIS and ERIS
Study phase
In Construction
Queue status
Active
Entered queue
30 September 2020
Proposed online date
December 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