Battery Storage
135.6 MW storage in Middlesex, MA · In queue since June 2024 · Proposed COD May 2028
135.6 MW
Capacity
1
Components
Battery
1y 11m
In Queue
System Impact Study
IA Status
COD target: 2028
Total Duration
3y 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 not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2028-05-01
A proposed 135.6 MW battery storage project, named Battery Storage, is under development in Middlesex County, Massachusetts. The project is located within the ISO-NE region and consists entirely of battery storage. It is listed in the ISO-NE interconnection queue as entry number 1553, with a queue entry date of June 4, 2024, and a proposed commercial operation date of May 1, 2028. The project's interconnection status is currently in the System Impact Study phase.
The primary point of interconnection for the project is the National Grid Tewksbury 115kV substation, specifically at an open position opposite the J-162 line. The project has appeared in recent news.
Generated from interconnection queue and public data sources
State
MA
County
Middlesex
Grid Region
ISO New England
Market
ISO/RTO Member
Developer
—
Utility
—
Entity
ISO-NE
Service Type
—
Point of Interconnection
Primary Point of Interconnection - National Grid Tewksbury 115kV substation, Open position opposite the J-162 line
Data Source
LBNL + Live
- ISO / RTO
- ISO-NE
- Trading Hub
- .H.INTERNAL_HUB
- 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.
