APS-Q467
300 MW storage in Maricopa, AZ · In queue since March 2022 · Proposed COD May 2026
300 MW
Capacity
1
Components
Battery
4y 2m
In Queue
Cluster Study
IA Status
COD target: 2026
Total Duration
4y 2m
Schedule
0 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: 2026-05-01
APS-Q467 is a proposed 300 MW battery storage project located in Maricopa County, Arizona. The project is being developed within the Arizona Public Service (APS) service area. It entered the APS interconnection queue on March 31, 2022, with a proposed commercial operation date of May 1, 2026. The project's interconnection status is currently in the Cluster Study phase, and the point of interconnection is the Delaney 500kV substation.
The development project consists entirely of battery storage, with a total capacity of 300 MW.
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
Delaney 500kV
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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