GenConn Middletown LLC — Plant Summary
- EIA Plant ID
- 57068
- Capacity
- 242 MW
- Primary Fuel
- KER
- Technology
- Petroleum Liquids
- Status
- Operating
- Location
- Middlesex, CT
- Operating Since
- 2011
- Generators
- 4
- Operator
- GenConn Middletown LLC
- Parent Company
- Avangrid
- Annual Generation
- 5,940 MWh
- Capacity Factor
- 0.3%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
GenConn Middletown LLC
OperatingKerosene
Ranked #1 of 7 Kerosene plants in CT#2 of 15 nationally
242 MW Kerosene operating in Middlesex, CT — ISO New England Inc.
EIAWD
242 MW
Nameplate Capacity
4
Generators
units
Petroleum Liquids
Technology
2011
Operating Since
Location
Coordinates
41.5540, -72.5747
County
Middlesex, CT
Nearby Plants
- Elevate MiddletownBESS275 MW · 0.3 km
- MiddletownNatural Gas786.4 MW · 0.4 km
- Kleen Energy Systems ProjectNatural Gas693 MW · 2.0 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | GenConn Middletown LLC | GenConn Middletown | — |
| Owner(s) | GenConn Middletown LLC | Avangrid | — |
| Status | Operating | — | — |
Ownership Chain
About
GenConn Middletown LLC is a 242 MW power plant located in Middlesex County, Connecticut. The plant began operating in 2011 and is owned and operated by GenConn Middletown LLC, a subsidiary of Avangrid. The facility utilizes petroleum liquids (KER) as its primary fuel source and consists of four generators. It is interconnected to the ISO New England Inc. balancing authority within the Northeast Power Coordinating Council (NPCC) region.
In the most recent year of data, the plant generated 5,940 MWh of electricity, resulting in a capacity factor of 0.3%. GenConn Middletown LLC is ranked as the 2nd largest petroleum-fueled plant out of 5 in Connecticut, and 3rd out of 7 nationally. Recent news articles indicate activity related to deals involving the plant.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
744 MWh
Latest Month
5.9K MWh
Annual Generation
0.3%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Middletown Substation · 115 kV
Substation Distance
< 10 km
Operator
Eversource
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN.LAUREL 13.8MI12
Pricing Hub
.Z.CONNECTICUT
Node Source
EIA-860 direct report
News & Articles (10)Beta
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