Battery Storage
301.26 MW storage in Hampden, MA · In queue since March 2023 · Proposed COD November 2026
301.26 MW
Capacity
1
Components
Battery
3y 2m
In Queue
Feasibility Study
IA Status
COD target: 2026
Total Duration
3y 8m
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: 2026-11-20
The proposed Battery Storage project is a 301.26 MW battery storage development in Hampden County, Massachusetts. The project is located within the ISO-NE region and interconnected to the South Agawam 115 kV switchyard.
The project, identified as queue ID ISO-NE-1365, entered the ISO-NE interconnection queue on March 9, 2023, with a proposed commercial operation date of November 20, 2026. Its interconnection status is currently in the Feasibility Study phase. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
MA
County
Hampden
Grid Region
ISO New England
Market
ISO/RTO Member
Developer
—
Utility
—
Entity
ISO-NE
Service Type
—
Point of Interconnection
Connect to South Agawam 115 kV switchyard
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.
