APS-Q488
600 MW hybrid in Maricopa, AZ · In queue since September 2022 · Proposed COD June 2026
600 MW
Capacity
1
Components
Solar
3y 8m
In Queue
Cluster Study
IA Status
COD target: 2026
Total Duration
3y 9m
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: 2026-06-01
APS-Q488 is a proposed 600 MW hybrid solar and battery energy storage project located in Maricopa County, Arizona. The project, under development by Arizona Public Service (APS), consists of 600 MW of solar photovoltaic generation. It is currently listed as active in the Arizona Public Service interconnection queue (APS) with a queue entry date of September 30, 2022, and a proposed commercial operation date of June 1, 2026. The project's interconnection point is the Panda 230kV Substation, and its interconnection status is currently in the Cluster Study phase.
The project is located in the Western region of the United States. It is listed in the interconnection queue under queue ID APS-Q488.
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
Panda 230kV 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.
