APS-Q357
150 MW storage in Maricopa, AZ · In queue since September 2020 · Proposed COD December 2023
150 MW
Capacity
1
Components
Battery
5y 8m
In Queue
IA Executed
IA Status
COD target: 2023
Total Duration
3y 3m
Schedule
29 months past proposed COD
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2023-12-10
APS-Q357 is a proposed 150 MW battery storage project located in Maricopa County, Arizona. The project is in the Arizona Public Service (APS) interconnection queue, with a queue entry date of September 30, 2020, and a proposed commercial operation date of December 10, 2023. The interconnection agreement (IA) for the project has been executed.
The project, developed by APS, consists entirely of battery storage. The point of interconnection (POI) is the Freedom 69kV substation. The project has appeared in recent news coverage regarding energy storage development in Arizona.
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
Freedom 69kV
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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