Battery Storage (1331)

Battery Storage is a 300.0 MW battery interconnection project in Hampden, Massachusetts with a current status of withdrawn. It is proposed to connect at Interconnecting to POI coordinates (42.148537, -72.300019) on 115 kV Transmission line X-176, approximately 0.3 miles north of Palmer #503 substation and 5.76 miles from Thorndike #523 substation..

300.0 MWCapacity
WithdrawnStatus
WMAMarket
BatteryTechnology

Project facts

Canonical nameBattery Storage
Queue ID1331
Statuswithdrawn
Source statusW
MarketWMA
TechnologyBattery
Capacity300.0 MW
StateMassachusetts
CountyHampden
Point of interconnectionInterconnecting to POI coordinates (42.148537, -72.300019) on 115 kV Transmission line X-176, approximately 0.3 miles north of Palmer #503 substation and 5.76 miles from Thorndike #523 substation.
Requested (queue) date2022-11-02
Proposed in-service date2025-12-23
Operational date
Withdrawn date2023-12-19
Developer
Utility / transmission ownerISO-NE

Cross-source records

This project is also observed in: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. interXdata links these source records without double-counting the project.

What changed

ObservedFieldOld valueNew valueMateriality
2026-08-04new_projectwithdrawnhigh

Explore related data

Source last checked2026-08-04
Data last materially changed2026-08-04
Page data generated2026-08-27

Provenance: isone-irtt. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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