APS-SP109
50 MW storage in Coconino, AZ · In queue since November 2023 · Proposed COD December 2025
50 MW
Capacity
1
Components
Battery
2y 6m
In Queue
In Progress (unknown study)
IA Status
COD target: 2025
Total Duration
2y 1m
Schedule
4 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: 2025-12-30
APS-SP109 is a proposed 50 MW battery storage project located in Coconino County, Arizona. The project is being developed within the Arizona Public Service (APS) service area. It is currently listed as active in the Arizona Public Service interconnection queue, with an entry date of November 1, 2023, and a proposed commercial operation date of December 30, 2025.
The interconnection agreement for the project is currently listed as "In Progress (unknown study)". The point of interconnection is the Cedar Mountain substation. The project has appeared in recent news coverage regarding energy storage development in the region.
Generated from interconnection queue and public data sources
State
AZ
County
Coconino
Grid Region
Mountain West
Market
—
Developer
—
Utility
Arizona Public Service
Entity
APS
Service Type
—
Point of Interconnection
Cedar Mountain
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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