Battery Storage
203.95 MW storage in Worcester, MA · In queue since October 2022 · Proposed COD November 2027
203.95 MW
Capacity
1
Components
Battery
3y 5m
In Queue
In Progress (unknown study)
IA Status
COD target: 2027
Total Duration
5y 1m
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: 2027-11-16
State
MA
County
Worcester
Region
ISO-NE
Developer
—
Utility
—
Entity
ISO-NE
Point of Interconnection
National Grid 115KV Line R144 between Millbury No. 2 and Woonsocket substations - approximately 5.8 circuit miles from Woonsocket substation.
Data Source
LBNL + Live
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Last updated 2026-03-26