APS-Q468
1,000 MW storage in Maricopa, AZ · In queue since March 2022 · Proposed COD December 2025
1,000 MW
Capacity
1
Components
Battery
4y 2m
In Queue
Cluster Study
IA Status
COD target: 2025
Total Duration
3y 9m
Schedule
4 months past proposed COD
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2025-12-31
APS-Q468 is a proposed 1,000 MW battery storage project located in Maricopa County, Arizona. The project is in the Arizona Public Service (APS) interconnection queue, under queue ID APS-Q468, with an entry date of March 31, 2022. The proposed commercial operation date is December 31, 2025. The project's interconnection status is currently in the Cluster Study phase. The point of interconnection is the Westwing 500kV Substation.
The development project is sponsored by APS. It consists of 1,000 MW of battery storage capacity. The project is located in the Western region of the United States.
Generated from interconnection queue and public data sources
State
AZ
County
Maricopa
Grid Region
Mountain West
Market
—
Developer
—
Utility
Arizona Public Service
Entity
APS
Service Type
—
Point of Interconnection
Westwing 500kV Substation
Data Source
LBNL
- ISO / RTO
- MOUNTAIN_WEST
- Trading Hub
- PALOVERDE
- Hub Confidence
- UNKNOWN
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
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