Northfield Mountain (547_3)
Northfield Mountain is a 292.0 MW battery interconnection project in Franklin, Massachusetts with a current status of operational.
292.0 MWCapacity
OperationalStatus
ISNEMarket
BatteryTechnology
Project facts
| Canonical name | Northfield Mountain |
|---|---|
| Queue ID | 547_3 |
| Status | operational |
| Source status | (OP) Operating |
| Market | ISNE |
| Technology | Battery |
| Capacity | 292.0 MW |
| State | Massachusetts |
| County | Franklin |
| Point of interconnection | — |
| Requested (queue) date | — |
| Proposed in-service date | — |
| Operational date | 1973-07-01 |
| Withdrawn date | — |
| Developer | — |
| Utility / transmission owner | FirstLight Power Resources, Inc. - MA |
What changed
| Observed | Field | Old value | New value | Materiality |
|---|---|---|---|---|
| 2026-08-02 | new_project | — | operational | high |
Explore related data
Source last checked2026-08-03
Data last materially changed2026-08-03
Page data generated2026-08-27
Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned). Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
Follow this project and get an alert when its status, capacity, developer, or schedule changes.
Start tracking with interXdata