Cabot — Plant Summary
- EIA Plant ID
- 1629
- Capacity
- 61.8 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Franklin, MA
- Operating Since
- 1915
- Generators
- 6
- Operator
- FirstLight Power Resources, Inc. - MA
- Parent Company
- ENGIE
- Annual Generation
- 304,242 MWh
- Capacity Factor
- 56.0%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
Cabot
OperatingHydro
Ranked #3 of 31 Hydro plants in MA#264 of 1454 nationally
61.8 MW Hydro operating in Franklin, MA — ISO New England Inc.
EIAGEMWD
61.8 MW
Nameplate Capacity
6
Generators
units
Conventional Hydroelectric
Technology
1915
Operating Since
Location
Coordinates
42.5876, -72.5792
County
Franklin, MA
Nearby Plants
- Kearsarge MontagueSolar4 MW · 1.5 km
- Kearsarge Montague BD(CSG)BESS3.8 MW · 1.8 km
- Turners FallsHydro5.7 MW · 2.7 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | FirstLight Power Resources, Inc. - MA | Firstlight Power Resources | — |
| Owner(s) | FirstLight Power Resources, Inc. - MA | ENGIE | — |
| Status | Operating | operating | — |
Ownership Chain
About
The Cabot hydroelectric plant, located in Franklin County, Massachusetts, has a total capacity of 61.8 MW. The plant began operating in 1915 and utilizes conventional hydroelectric technology. It consists of 6 generators and is owned by ENGIE, a company based in France. FirstLight Power Resources, Inc. - MA is the listed operator per EIA data.
In the most recent year with available data, the plant generated 304,242 MWh, achieving a capacity factor of 56.0%. Cabot operates within the ISO New England Inc. balancing authority and the NPCC NERC region. It is the 3rd largest hydroelectric plant in Massachusetts out of 31 such plants, and ranks 268th nationally out of 1464 hydroelectric plants.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
115 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
29.0K MWh
Latest Month
304.2K MWh
Annual Generation
56.0%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Montague/Cabot Substation · 115 kV
Substation Distance
< 10 km
Operator
Eversource
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
N.MONTAGUE13.8 CABT
Pricing Hub
.H.INTERNAL_HUB
Node Source
EIA-860 direct report
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