State profile

Power plants in Connecticut

Connecticut has 171 generating facilities in this directory, with a combined nameplate capacity of 10.83 GW. The largest share of capacity comes from natural gas (46%). It also tracks 8 retired plants and 9 under construction.

171
Plants
10.83 GW
Total capacity
8
Fuel types
2.26 GW
Largest: Millstone

Capacity mix

Natural Gas 45.9%Oil 27.4%Nuclear 20.9%Solar 3.0%Hydroelectric 1.3%Waste 1.1%Biomass 0.4%Wind 0.0%

By fuel type in Connecticut

Natural Gas plants49 · 4.97 GWOil plants24 · 2.97 GWNuclear plants1 · 2.26 GWSolar plants77 · 322.4 MWHydroelectric plants13 · 144.5 MWWaste plants5 · 117.8 MWBiomass plants1 · 43 MWWind plants1 · 5 MW

All plants in Connecticut by capacity

PlantFuelOwnerCapacity
MillstoneNuclearDominion Energy Nuclear Conn Inc2.26 GW
CPV Towantic Energy CenterNatural GasCPV Towantic, LLC841.5 MW
Lake Road Generating PlantNatural GasLake Road Generating Co LP840 MW
MiddletownOilMiddletown Power LLC786.4 MW
Kleen Energy Systems ProjectNatural GasKleen Energy Systems, LLC693 MW
New Haven HarborOilGeneration Bridge II Connecticut, LLC641.5 MW
Milford Power ProjectNatural GasMilford Power Co LLC578 MW
Bridgeport StationNatural GasGeneration Bridge II Connecticut, LLC576.3 MW
Bridgeport Energy ProjectNatural GasBridgeport Energy LLC520 MW
Montville StationOilMontville Power LLC495.3 MW
Wallingford EnergyNatural GasWallingford Energy LLC350 MW
GenConn Devon LLCOilGenConn Devon LLC242 MW
GenConn Middletown LLCOilGenConn Middletown LLC242 MW
Devon StationOilDevon Power LLC222.6 MW
Cos CobOilConnecticut Jet Power LLC115 MW
Waterbury GenerationNatural GasEngie North America96 MW
A L PierceNatural GasMPH AL Pierce, LLC84 MW
Algonquin Windsor LocksNatural GasAhlstrom Power Windsor Locks LLC71 MW
Waterside Power, LLCOilWaterside Power, LLC69.6 MW
Wheelabrator BridgeportWasteWheelabrator Environmental Systems67 MW
Quinebaug SolarSolarQuinebaug Solar, LLC49.4 MW
Plainfield Renewable Energy LLCBiomassPlainfield Renewable Energy, LLC43 MW
Pfizer Groton PlantNatural GasPfizer Inc37.5 MW
ShepaugHydroelectricFirstLight Power Resources Services LLC37.2 MW
DWW Solar llSolarDWW Solar ll LLC36.9 MW
Kimberly Clark-Unit 1,2,3Natural GasKimberly-Clark Corporation36.3 MW
Rocky River (CT)HydroelectricFirstLight Power Resources Services LLC31 MW
StevensonHydroelectricFirstLight Power Resources Services LLC30.5 MW
Pratt & WhitneyNatural GasUnited Technologies25.8 MW
UCONN Cogen FacilityNatural GasUniversity of Connecticut25.7 MW
BranfordOilConnecticut Jet Power LLC21.8 MW
Franklin DriveOilConnecticut Jet Power LLC21.8 MW
Torrington TerminalOilConnecticut Jet Power LLC21.8 MW
TunnelOilFirstLight Power Resources Services LLC20.5 MW
Fusion Solar Center LLCSolarFusion Solar Centre, L.L.C20 MW
Woods Hill SolarSolarWoods Hill Solar, LLC20 MW
Nutmeg SolarSolarNutmeg Solar LLC19.6 MW
Covanta Southeastern Connecticut CompanyWasteCovanta Southeastern Connecticut Company18.3 MW
Bridgeport Fuel Cell, LLCNatural GasBridgeport Fuel Cell, LLC16.6 MW
Rand Whitney CHP PlantNatural GasRand Whitney Containerboard L.P.16.5 MW
Covanta Bristol EnergyWasteCovanta Bristol Inc16.3 MW
Foxwoods CoGenNatural GasFoxwoods Resort Casino16.2 MW
Wallingford SolarSolarWallingford Renewable Energy, LLC16.1 MW
North Stonington Solar Center, LLCSolarAdapture Renewables, Inc.15 MW
Wheelabrator LisbonWasteWheelabrator Environmental Systems14.6 MW
Derby Fuel CellNatural GasDerby Fuel Cell LLC14 MW
SR North StoningtonSolarSR North Stonington, LLC12 MW
Hartford Hospital CogenerationNatural GasCartier Energy, LLC11.8 MW
Backus Microgrid ProjectOilConnecticut Mun Elec Engy Coop10.4 MW
Fort Hill 1, 2, 3 & 4OilConnecticut Mun Elec Engy Coop10.4 MW
Stamford HealthOilStamford Health Systems, Inc.10.4 MW
Generate Colchester Fuel Cells, LLCNatural GasGenerate Colchester Fuel Cells, LLC10 MW
Sikorsky Aircraft CHPNatural GasSikorsky Aircraft Corporation9.9 MW
Falls VillageHydroelectricFirstLight Power Resources Services LLC9 MW
Derby HydroHydroelectricMcCallum Enterprises I LP8.6 MW
Rainbow (CT)HydroelectricFarmington River Power Company8 MW
Naval Sub Base New London Fuel CellNatural GasGroton Station Fuel Cell, LLC7.4 MW
Subase Microgrid ProjectNatural GasConnecticut Mun Elec Engy Coop7.4 MW
Bulls BridgeHydroelectricFirstLight Power Resources Services LLC7.2 MW
Norden 1-3OilThird Taxing District of Norwalk6 MW
Bradley Energy CenterNatural GasAmeresco Select Inc5.8 MW
Pfizer Groton Fuel CellNatural GasGroton Fuel Cell 1 LLC5.6 MW
Bridge Street 1 & 2OilConnecticut Mun Elec Engy Coop5.2 MW
Gary Court 1 & 2OilConnecticut Mun Elec Engy Coop5.2 MW
Lebanon Pines 1 & 2OilConnecticut Mun Elec Engy Coop5.2 MW
LNG 1 & 2OilConnecticut Mun Elec Engy Coop5.2 MW
Water Treatment 1 & 2OilConnecticut Mun Elec Engy Coop5.2 MW
East Windsor Solar OneSolarDG Connecticut III, LLC5 MW
Somers Solar Center, LLCSolarOnward Energy5 MW
South Windsor Fuel CellNatural GasSouth Energy Investments LLC5 MW
UI RCP Bridgeport SeasideNatural GasUnited Illuminating Co5 MW
Wind Colebrook SouthWindWind Colebrook South5 MW
Southington Solar OneSolarDG Connecticut III, LLC4.7 MW
Frito Lay IncorporatedNatural GasFrito Lay Incorporated Dayville4.6 MW
Fairfield University CHP PlantNatural GasFairfield University4.5 MW
CMEEC - Norwich Stott St Solar HybridSolarTesla Inc.4.3 MW
CMEEC - Polaris Park Solar HybridSolarTesla Inc.4.3 MW
Danbury Hospital Cogen PlantNatural GasDanbury Hospital4.3 MW
Antares-GRE 314 East Lyme LLCSolarMN8 Energy LLC4 MW
Enfield Solar OneSolarEnfield Solar One, LLC4 MW
HSCo CHPNatural GasCartier Energy, LLC4 MW
Norfolk Landfill Solar ProjectSolarNJR Clean Energy Ventures Corporation4 MW
Raffia Road Solar ProjectSolarNJR Clean Energy Ventures Corporation4 MW
TRS Fuel CellNatural GasTRS Fuel Cell, LLC3.7 MW
CCSU Co-Gen-STBY GenNatural GasCentral Connecticut State University3.6 MW
Burlington Solar 1SolarDG Connecticut III, LLC3.5 MW
Brass Mill CenterSolarBrass Mill Center3.4 MW
UDR Glastonbury Fuel CellNatural GasUIL Distributed Resources, LLC3.4 MW
Goodwin HydroelectricHydroelectricMetropolitan Dist of Hartford3.2 MW
Bristol Solar One, LLCSolarDG Connecticut III, LLC3 MW
Cellu TissueNatural GasDunn Paper East Hartford, LLC3 MW
Norwalk Hospital PlantNatural GasNorwalk Hospital3 MW
Town of Rocky Hill PV CSGSolarTesla Inc.3 MW
Niagara Bottling - BloomfieldSolarWestbound Solar 3, LLC2.8 MW
UI RCP New Haven Fuel CellNatural GasUnited Illuminating Co2.8 MW
UI RCP Woodbridge FCNatural GasUnited Illuminating Co2.8 MW
Jewett City 1OilConnecticut Mun Elec Engy Coop2.6 MW
Pepperidge Farm BloomfieldNatural GasPepperidge Farm, Inc.- Bloomfield2.6 MW
Becton CanaanSolarDG Northeast 1, LLC2.5 MW
CMEEC - BozrahSolarTesla Inc.2.5 MW
Quinebaug Lower ProjectHydroelectricQuinebaug Associates LLC2.5 MW
Wesleyan University Cogen 1Natural GasWesleyan University2.4 MW
Kinneytown New OldHydroelectricHydroland Omega LLC2.3 MW
Medtronic - New HavenNatural GasBloom Energy2.3 MW
Medtronic - New Haven 2Natural GasBloom Energy2.2 MW
Barrow SolarSolarEcos Energy LLC2 MW
BunceSolarLSE Indus LLC2 MW
Canis Major Solar FarmSolarLSE Canis Major LLC2 MW
CP East Hampton I & II SolarSolarNJR Clean Energy Ventures Corporation2 MW
CTGB Manson YouthSolarTotalEnergies Renewables USA LLC2 MW
Dickinson Solar (CT)SolarEcos Energy LLC2 MW
Digital FairfieldNatural GasBloom Energy2 MW
Ellington - 277 Sadds MillSolarOnyx Asset Services Group2 MW
Norcap NorthSolarLSE Canes Venatici LLC2 MW
Norcap SouthSolarLSE Coma Berenices LLC2 MW
Norwich WWTPOilCity of Norwich - (CT)2 MW
Platt HillSolarLSE Pictor LLC2 MW
Powder HillSolarLSE Delphinus LLC2 MW
Sand RoadSolarLSE Phoenix LLC2 MW
Scotland DamHydroelectricFirstLight Power Resources Services LLC2 MW
Stafford MS Ground Mount Community SolarSolarTown of Stafford - (CT)2 MW
Sydney SolarSolarEcos Energy LLC2 MW
Torrington Solar One, LLCSolarDG Connecticut III, LLC2 MW
Watertown Solar One, LLCSolarDG Connecticut III, LLC2 MW
CTGB OsbornSolarTotalEnergies Renewables USA LLC1.8 MW
Yale New Haven - New LondonNatural GasBloom Energy1.8 MW
Barrett Farm Solar - Phase ISolarOnyx Asset Services Group1.7 MW
Emerald Gardens PKI, LLCSolarEmerald Gardens PKI, LLC1.6 MW
New Milford Gas RecoveryWasteWM Renewable Energy LLC1.6 MW
North Haven Solar OneSolarNorth Haven Solar One, LLC1.6 MW
TaftvilleHydroelectricFirstLight Power Resources Services LLC1.6 MW
Dynamic Energy CT STAGSolarMilford Pepes Farm Road Solar LLC1.5 MW
FedEx MiddletownSolarVCP Realty, LLC1.5 MW
Stamford Health Tully Health CenterOilStamford Health Tully Health Center1.5 MW
CCSU Fuel Cell ProjectNatural GasNew Britain Renewable Energy, LLC1.4 MW
Tenth StreetHydroelectricCity of Norwich - (CT)1.4 MW
Trinity College Fuel CellNatural GasAEP Onsite Partners, LLC1.4 MW
UB Fuel CellNatural GasUB Fuel Cell1.4 MW
CMEEC - Rogers Rd SolarSolarTesla Inc.1.3 MW
ALDI DC 2SolarPowerflex1.2 MW
Connecticut CollegeNatural GasBloom Energy1.2 MW
IKEA New Haven Rooftop PV & Fuel CellSolarIKEA Property Inc1.1 MW
Town of BranfordSolarTesla Inc.1.1 MW
Adams SolarSolarEcos Energy LLC1 MW
Advance Stores Company, IncSolarTesla Inc.1 MW
Amazon BDL3 Solar ProjectSolarSolar Star Prime 1 LLC1 MW
Blair SolarSolarEcos Energy LLC1 MW
Canis Minor Solar FarmSolarLSE Canis Minor LLC1 MW
Clinton SolarSolarEcos Energy LLC1 MW
CMEEC - Navy NE TridentSolarTesla Inc.1 MW
Conn Mun Electric Energy CoopSolarTesla Inc.1 MW
Corbin Russwin Phase 3 BerlinSolarPowerflex1 MW
CP Middletown Solar I LLCSolarGreen Street Power Partners1 MW
CP Middletown Solar II LLCSolarGreen Street Power Partners1 MW
FDX010.0 FedEx Fuel CellNatural Gas2016 ESA Project Company, LLC1 MW
Few SolarSolarEcos Energy LLC1 MW
Franklin Solar (CT)SolarEcos Energy LLC1 MW
Hamilton SolarSolarEcos Energy LLC1 MW
Hartford Landfill Solar EGFSolarMaterials Innovation Recycling Authority1 MW
Jackson Solar (CT)SolarEcos Energy LLC1 MW
Jefferson Solar (CT)SolarEcos Energy LLC1 MW
Madison Solar (CT)SolarEcos Energy LLC1 MW
Manchester Community College EastSolarOnyx Asset Services Group1 MW
Manchester Community College NorthSolarOnyx Asset Services Group1 MW
McHenry SolarSolarEcos Energy LLC1 MW
Park SolarSolarEcos Energy LLC1 MW
Plainfield Solar 1SolarEcos Energy LLC1 MW
Plainfield Solar 2SolarEcos Energy LLC1 MW
Sherman SolarSolarEcos Energy LLC1 MW
Ticket Network South WindsorSolarPowerflex1 MW
Wilson Solar (CT)SolarEcos Energy LLC1 MW
Retired plants (8)
PlantFuelOwnerCapacity
South Meadowretired 2023OilNAES Corp167.2 MW
CT Resource Rec Authority Facilityretired 2022WasteNAES Corp90 MW
Capitol District Energy Centerretired 2021Natural GasCapitol District Energy Center70.5 MW
North Main Streetretired 2023OilCity of Norwich - (CT)19 MW
John Street 1, 3, 4 & 5retired 2018OilConnecticut Mun Elec Engy Coop7.2 MW
Colebrook Hydroelectricretired 2019HydroelectricMetropolitan Dist of Hartford3 MW
CJTS Energy Centerretired 2023Natural GasAmeresco Select Inc1.6 MW
IBM Southburyretired 2023Natural GasBloom Energy1.1 MW
Under construction (9)
PlantFuelOwnerCapacity
Gravel Pit Solar, LLCconstr.SolarGravel Pit Solar, LLC120 MW
Pure Hedge LLCconstr.SolarPure Hedge LLC90 MW
SR Litchfieldconstr.SolarSR Litchfield, LLC19.8 MW
North Franklin Solarconstr.SolarNJR Clean Energy Ventures Corporation5 MW
Amazon BDL4constr.SolarTelyon AMZ Windsor LLC3.9 MW
Windsor Solar Oneconstr.SolarNJR Clean Energy Ventures Corporation3 MW
CTGB Maloney and Websterconstr.SolarTotalEnergies Renewables USA LLC2 MW
Benz Solar 1constr.SolarEcos Energy LLC1 MW
Benz Solar 2constr.SolarEcos Energy LLC1 MW