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495.3 MW Natural Gas Steam Turbine (75 MW) + Petroleum Liquids (420 MW) operating in New London, CT
495.3 MW
Nameplate Capacity
4
Generators
units
Hybrid (2)
Technology
Natural Gas Steam Turbine + Petroleum Liquids
1954
Operating Since
Coordinates
41.4281, -72.1019
County
New London, CT
Nearby Plants
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Montville Power LLC | — | — |
| Owner(s) | Montville Power LLC | — | — |
| Status | Operating | — | — |
Montville Station is a 495.3 MW hybrid power plant located in New London County, Connecticut. The plant began operating in 1954 and is owned and operated by Montville Power LLC. The primary fuel source is distillate fuel oil (DFO), and the plant utilizes both natural gas steam turbine and petroleum liquids technologies. It consists of 4 generators. Montville Station operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region.
In the most recent year of data, Montville Station generated 27,761 MWh of electricity, resulting in a capacity factor of 0.6%. The plant is ranked as the largest of its kind in Connecticut and holds the 23rd position nationally out of 60 similar plants.
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
4.4K MWh
Latest Month
27.8K MWh
Annual Generation
0.6%
Capacity Factor
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Request a demo →CO₂ Intensity
1871 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
2 lb/MWh
SO₂
2 lb/MWh
CH₄
0.076 lb/MWh
N₂O
0.014 lb/MWh
Capacity Factor
0.8%
Annual Net Gen
36 GWh
CO₂eq
1877 lb/MWh
Subregion
NPCC New England
2013
$765/kW
Est. Construction Cost
Total estimated cost: $378.7M
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Request a demo →Point of Interconnection
Nearest Substation
Montville Substation · 69 kV
Substation Distance
< 10 km
Operator
Eversource
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN.MONTVLLE22.0MON6
Pricing Hub
.Z.CONNECTICUT
Location Type
NETWORK NODE
Node Source
EIA-860 direct report
Last updated 2026-03-26
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