Battery Storage
141.6 MW storage in Litchfield, CT · In queue since October 2022 · Proposed COD February 2028
141.6 MW
Capacity
1
Components
Battery
3y 7m
In Queue
In Progress (unknown study)
IA Status
COD target: 2028
Total Duration
5y 4m
Interconnection request submitted to ISO/RTO
ISO-NE is transitioning to cluster studies per FERC Order 2023.
Typical: 25–30 months (recent)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2028-02-23
The Battery Storage project is a proposed 141.6 MW battery storage development in Litchfield County, Connecticut. The project, located within the ISO-NE region, consists entirely of battery storage. It is listed in the ISO-NE interconnection queue as entry number 1319, with a queue entry date of October 7, 2022, and a proposed commercial operation date of February 23, 2028. The interconnection agreement is currently listed as "In Progress (unknown study)".
The proposed project's point of interconnection is the 115 kV line between the Rocky River and Bulls Bridge substations. The Battery Storage project has been the subject of recent news coverage, with seven articles appearing in industry, development, grid, and regulatory publications.
Generated from interconnection queue and public data sources
State
CT
County
Litchfield
Grid Region
ISO New England
Market
ISO/RTO Member
Developer
—
Utility
—
Entity
ISO-NE
Service Type
—
Point of Interconnection
115 kV line between Rocky River and Bulls Bridge substations
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.
Last updated 2026-04-09
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