Battery Storage (1558)

Battery Storage is a 141.5 MW battery interconnection project in Bristol, Massachusetts with a current status of withdrawn. It is proposed to connect at 115 kV line W4S between Grand Army Substation and Pottersville Substation. Approximately 0.43 miles from Grand Army - 115KV Substation and approximately 2.33 miles from Pottersville / Somerset substations.

141.5 MWCapacity
WithdrawnStatus
SEMAMarket
BatteryTechnology

Project facts

Canonical nameBattery Storage
Queue ID1558
Statuswithdrawn
Source statusW
MarketSEMA
TechnologyBattery
Capacity141.5 MW
StateMassachusetts
CountyBristol
Point of interconnection115 kV line W4S between Grand Army Substation and Pottersville Substation. Approximately 0.43 miles from Grand Army - 115KV Substation and approximately 2.33 miles from Pottersville / Somerset substations
Requested (queue) date2024-06-06
Proposed in-service date2028-01-01
Operational date
Withdrawn date2025-09-22
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 generated2026-08-28

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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