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94.8 MW Natural Gas Fired Combustion Turbine (39 MW) + Natural Gas Steam Turbine (22 MW) + Petroleum Liquids (34 MW) operating in Suffolk, MA — ISO New England Inc.
94.8 MW
Nameplate Capacity
10
Generators
units
Hybrid (3)
Technology
Natural Gas Fired Combustion Turbine + Natural Gas Steam Turbine + Petroleum Liquids
1980
Operating Since
Coordinates
42.3369, -71.1084
County
Suffolk, MA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | MATEP LLC | — | — |
| Owner(s) | MATEP LLC | — | — |
| Status | Operating | — | — |
The Medical Area Total Energy Plant is a 94.8 MW hybrid power plant located in Suffolk County, Massachusetts. The plant began operating in 1980 and is owned and operated by MATEP LLC. The facility utilizes multiple technologies including natural gas fired combustion turbines, natural gas steam turbines, and petroleum liquids. It consists of 10 generators.
The plant operates within the ISO New England Inc. balancing authority and the NPCC NERC region. In the most recent year of data, the Medical Area Total Energy Plant generated 318,105 MWh of electricity, achieving a capacity factor of 38.1%. The plant is ranked 3rd out of 17 similar plants in Massachusetts, and 64th out of 886 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
13.8 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Commercial
Sector
Commercial CHP
29.3K MWh
Latest Month
318.1K MWh
Annual Generation
38.1%
Capacity Factor
CO₂ Intensity
626 lb/MWh
NOx
1 lb/MWh
SO₂
0.013 lb/MWh
CH₄
0.012 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
40.8%
Annual Net Gen
339 GWh
CO₂eq
627 lb/MWh
Subregion
NPCC New England
2013
$965/kW
Est. Construction Cost
Total estimated cost: $91.5M
Point of Interconnection
Nearest Substation
Colburn Street Substation · 115 kV
Substation Distance
0.626 km
Operator
Eversource
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN.COLBURN 13.8MAT3
Pricing Hub
.H.INTERNAL_HUB
Location Type
NETWORK NODE
Node Source
Curated node match
Last updated 2026-03-26
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