APS-Q519
350 MW generation in Maricopa, AZ · In queue since March 2023 · Proposed COD April 2028
350 MW
Capacity
1
Components
Gas
3y 2m
In Queue
IA Executed
IA Status
COD target: 2028
Total Duration
5y 1m
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: 24–48 months
Proposed COD: 2028-04-01
APS-Q519 is a proposed 350 MW gas-fired generation project located in Maricopa County, Arizona. The project is being developed by Arizona Public Service (APS) and interconnected to the Redhawk 500 kV Switchyard.
The project is listed in the Arizona Public Service interconnection queue (APS-Q519) with an entry date of March 31, 2023, and a proposed commercial operation date of April 1, 2028. The interconnection agreement for the project has been executed.
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
Redhawk 500 kV Switchyard
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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