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872.2 MW Natural Gas operating in Norfolk, MA — ISO New England Inc.
872.2 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2003
Operating Since
Coordinates
42.2422, -70.9661
County
Norfolk, MA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Calpine Fore River Energy Center, LLC | Calpine Fore River Energy Center | — |
| Owner(s) | Calpine Fore River Energy Center, LLC | Constellation Energy | — |
| Status | Operating | — | — |
The Fore River Generating Station is a power plant operated by Calpine Corporation since 2014 alongside Weymouth Fore River in Weymouth, Massachusetts. It operates two combustion turbines, two heat recovery steam generators and one steam turbine. The plant has a baseload capacity of 750 megawatts. The plant can run off either natural gas or ultra-low sulfur diesel fuel oil.
Read more on WikipediaFore River Generating Station is an 872.2 MW natural gas-fired combined cycle power plant located in Norfolk County, Massachusetts. The plant began operating in 2003 and is owned by Constellation Energy. The listed operator per EIA data is Calpine Fore River Energy Center, LLC. The facility consists of three generators utilizing natural gas as its primary fuel source.
The plant operates within the ISO New England Inc. balancing authority and the NPCC NERC region. In the most recent year with available data, Fore River Generating Station produced 3,105,507 MWh of electricity, achieving a capacity factor of 40.7%. The plant is ranked as the largest of 15 power plants in Massachusetts and 217th out of 945 plants nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
ISO-NE
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
ISO New England Inc. (ISNE)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
352.0K MWh
Latest Month
3.1M MWh
Annual Generation
40.7%
Capacity Factor
CO₂ Intensity
883 lb/MWh
NOx
0.055 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.016 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
28.9%
Annual Net Gen
2207 GWh
CO₂eq
884 lb/MWh
Subregion
NPCC New England
2013
$965/kW
Est. Construction Cost
Total estimated cost: $841.8M
Point of Interconnection
Nearest Substation
Edgar Substation · 115 kV
Substation Distance
< 10 km
Operator
Eversource
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN EDGAR 18 DED1A
Pricing Hub
.H.INTERNAL_HUB
Node Source
EIA-860 direct report
Last updated 2026-03-26
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