Montville Station — Plant Summary
- EIA Plant ID
- 546
- Capacity
- 495.3 MW
- Primary Fuel
- RFO
- Technology
- Natural Gas Steam Turbine, Petroleum Liquids
- Status
- Operating
- Location
- New London, CT
- Operating Since
- 1954
- Generators
- 4
- Operator
- Montville Power LLC
- Parent Company
- —
- Annual Generation
- 27,761 MWh
- Capacity Factor
- 0.6%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
Montville Station
OperatingDistillate OilNatural GasResidual OilHybrid
Ranked #3 of 3 Residual Oil plants in CT#7 of 13 nationally
495.3 MW Natural Gas Steam Turbine (75 MW) + Petroleum Liquids (420 MW) operating in New London, CT — ISO New England Inc.
EIAWD
495.3 MW
Nameplate Capacity
4
Generators
units
Hybrid (2)
Technology
Natural Gas Steam Turbine + Petroleum Liquids
1954
Operating Since
Location
Coordinates
41.4281, -72.1019
County
New London, CT
Nearby Plants
- Subase Microgrid ProjectNatural Gas7.4 MW · 3.4 km
- Naval Sub Base New London Fuel CellNatural Gas7.4 MW · 3.4 km
- CMEEC - Navy NE TridentSolar1 MW · 3.9 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Montville Power LLC | — | — |
| Owner(s) | Montville Power LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
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
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
4.4K MWh
Latest Month
27.8K MWh
Annual Generation
0.6%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint 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
Node Source
EIA-860 direct report
News & Articles (4)Beta
Deals·m and a
New Jersey-based NRG to Sell Middletown, Montville, Hartford and Devon Plants
An NRG spokesman confirmed Tuesday that the sale includes all four of the company's power plants in Connecticut: 1548 megawatts worth of...
NRG (seller)
CT Examiner·5 years ago
Industry·corporate
100 years of power. 100 years of people.
For the past 100 years, the Montville Power Station has been providing power to communities and the people of Connecticut.
Montville Power Station (operator)
NRG Energy·6 years ago
Industry·technology
Bringing new energy: NRG aims to build bio-mass plant
About two miles down the Thames River from the Mohegan Sun Casino, the owner of the Montville Station Power Plant is looking to make a high...
Montville Station Power Plant (operator)
New Haven Register·14 years ago
General
Peter Bradford Obituary (2010) - Norwich, CT, CT - The Day
Peter W. Bradford Sr., 67, of Wawecus Hill Road, Norwich, passed away peacefully at The William W. Backus Hospital, Oct. 21, 2010, following a lengthy illness.
Peter Bradford (other)
Legacy | Obituary·15 years ago
Last updated 2026-03-14
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