Battery Storage
139.5 MW storage in Berkshire, MA · In queue since April 2024 · Proposed COD August 2028
139.5 MW
Capacity
1
Components
Battery
1y 11m
In Queue
Feasibility Study
IA Status
COD target: 2028
Total Duration
4y 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: 2028-08-30
State
MA
County
Berkshire
Region
ISO-NE
Developer
—
Utility
—
Entity
ISO-NE
Point of Interconnection
Eversource, Partridge 115kV Substation
Data Source
LBNL + Live
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Last updated 2026-03-26