APS-Q446
250 MW hybrid in Maricopa, AZ · In queue since March 2022 · Proposed COD December 2025
250 MW
Capacity
1
Components
Solar
4y 2m
In Queue
Cluster Study
IA Status
COD target: 2025
Total Duration
3y 9m
Schedule
5 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: 2025-12-01
APS-Q446 is a proposed 250 MW hybrid solar and battery project located in Maricopa County, Arizona. The development project consists of 250 MW of solar capacity. It is listed in the Arizona Public Service (APS) interconnection queue, with a queue entry date of March 28, 2022, and a proposed commercial operation date of December 1, 2025. The interconnection status is currently in the Cluster Study phase.
The project's point of interconnection (POI) is at the Trilby Wash 230kV substation. The project has appeared in recent news coverage regarding solar development in the southwestern 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
Trilby Wash 230kV
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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