FORE RIVER GENERATING STATION

Operating

Natural Gas power plant

Capacity
872 MW
Primary fuel
Natural Gas
County
Norfolk County
Operator
CONSTELLATION MYSTIC POWER LLC
Status
Operating
Commissioned
2003
EIA plant ID
55317
Generators
3
Technology
Natural Gas Fired Combined Cycle
Net generation (2024)
3,260 GWh
Capacity factor (2024, EIA nameplate)
43%
Data vintage
EIA-860 2024 final; EIA-923 2022-2024 final
Coordinates
42.2421, -70.9652

See it on the map

FORE RIVER GENERATING STATION, an 872 MW Natural Gas power plant in Norfolk County, Massachusetts.

How FORE RIVER GENERATING STATION compares

With 872 MW of capacity, FORE RIVER GENERATING STATION ranks 3rd among the 125 operating power plants Bywatts maps in Massachusetts and is the largest of the 22 operating Natural Gas plants in the state. It accounts for about 16% of Massachusetts's operating Natural Gas capacity and 9.4% of all operating capacity in the state. Nationally it is the 135th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2003, it is newer than 54% of the 122 operating Massachusetts plants with a recorded commissioning year. It shares Norfolk County with 8 other operating plants, including ANP BELLINGHAM ENERGY PROJECT and BELLINGHAM COGENERATION FACILITY.

EIA-860 lists 3 generators at the site with 872 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 3,260 GWh in 2024 (a 43% capacity factor), down 4% from 2022.

Grid neighborhood

The closest transmission line found within 10 miles is a 115 kV line, under 0.1 miles away. Another 20 operating power plants totaling 1,060 MW sit within 25 miles; the largest is KENDALL SQUARE STATION (274 MW, Natural Gas). Within 50 miles are 4 mapped data centers; the nearest is Markley Group One Summer Street Boston in Boston, about 9.2 miles away.

Computed by Bywatts from HIFLD power plant and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology

Weather peril exposure

FORE RIVER GENERATING STATION is an 872 MW natural gas power plant in Norfolk County, MA, operated by CONSTELLATION MYSTIC POWER LLC, commissioned in 2003. Norfolk County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.4 of 5 at the 10th national percentile. Hurricane is the leading peril, rated Relatively Moderate by FEMA at the 77th percentile.

The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.

1.4 of 5Modeled catastrophe exposure
LowExposure band
HurricaneLeading peril
Relatively ModerateFEMA county risk rating

Norfolk County hazard ratings

PerilFEMA ratingNational percentilePeril scoreEvents per year
HurricaneRelatively Moderate77th4.1 of 50.18
Coastal floodingRelatively High75th4.0 of 57.9
EarthquakeRelatively Moderate64th3.6 of 5<0.01
Ice stormRelatively High50th3.0 of 51.8
LightningRelatively High33rd2.3 of 521.0
WildfireVery Low25th2.0 of 5<0.01
Riverine floodingRelatively High22nd1.9 of 52.9
TornadoRelatively Moderate18th1.7 of 50.08
Winter weatherRelatively Low14th1.6 of 513.0
Strong windRelatively Moderate13th1.5 of 50.92
Heat waveRelatively Moderate7th1.3 of 56.1
HailVery Low3rd1.1 of 51.8

Model hail, wind and flood exposure for Norfolk County in the weather risk calculator

Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.

Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.