Naugatuck Avenue Battery Storage
205.32 MW storage in New Haven, CT · In queue since January 2021 · Proposed COD December 2026
205.32 MW
Capacity
1
Components
Battery
5y 4m
In Queue
IA Executed
IA Status
COD target: 2026
Total Duration
5y 11m
Interconnection request submitted to ISO/RTO
ISO-NE is transitioning to cluster studies per FERC Order 2023.
Typical: 25–30 months (recent)
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2026-12-01
The Naugatuck Avenue Battery Storage project is a proposed 205.32 MW battery storage project located in New Haven County, Connecticut. The project consists of a single 205.32 MW battery component. It is listed in the ISO-NE interconnection queue as queue ID ISO-NE-1089, with an interconnection queue entry date of January 8, 2021, and a proposed commercial operation date of December 1, 2026. The project's interconnection agreement has been executed.
The Naugatuck Avenue Battery Storage project has been featured in recent news coverage.
Generated from interconnection queue and public data sources
State
CT
County
New Haven
Grid Region
ISO New England
Market
ISO/RTO Member
Developer
—
Utility
ISO-NE
Entity
ISO-NE
Service Type
—
Point of Interconnection
Devon 115 kV open position between 4T and 5T
Data Source
LBNL + Live
- ISO / RTO
- ISO-NE
- Trading Hub
- .Z.CONNECTICUT
- Hub Confidence
- MEDIUM
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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