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This is a list of electricity-generating power stations in the U.S. state of Connecticut, sorted by type and name. In 2020, Connecticut had a total summer capacity of 10,276 MW through all of its power plants, and a net generation of 41,191 GWh.[2] The corresponding electrical energy generation mix in 2021 was 55.6% natural gas, 39% nuclear, 2.1% other, 1.9% biomass & refuse-derived fuels , 0.7% hydroelectric, and 0.7% solar. The remaining 0.1% was split between petroleum and wind. Distributed small-scale solar, including customer-owned photovoltaic panels, delivered an additional net 860 GWh to the state's electricity grid. This compares as more than three times the amount generated by Connecticut's utility-scale solar facilities.[1]

Sources of Connecticut utility-scale electricity generation:
full-year 2021[1]

  Other (2.1%)
  Natural Gas (55.6%)
  Hydroelectric (0.7%)
  Nuclear (39%)
  Biomass & RDF (1.9%)
  Solar (0.7%)

Nuclear power stations


Data reported by U.S. Energy Information Administration[3]
Plant NameLocationCoordinatesCapacity
(MW)		TechnologyYear
Completed		Operational/Closure DateRefs
Millstone Nuclear Power PlantNew London County2,162.9NuclearOperational

Retired plants:


Fossil-fuel power stations



Coal


https://www.power-eng.com/coal/pseg-exits-coal-fired-power-with-bridgeport-harbor-station-retirement/


Petroleum


Data reported by U.S. Energy Information Administration
Plant NameLocationCoordinatesCapacity
(MW)		TechnologyYear
Completed		Operational/Closure DateRefs
Backus Microgrid ProjectNew London County10.4Petroleum LiquidsOperational
BranfordNew Haven County21.8Petroleum LiquidsOperational
Bridgeport StationFairfield County17Petroleum Liquids[A]Operational
Bridge Street 1 & 2New London County5.2Petroleum LiquidsOperational
Devon StationNew Haven County222.6Petroleum LiquidsOperational
Franklin DriveLitchfield County21.8Petroleum LiquidsOperational
CCSU Co-Gen-STBY GenHartford County1Petroleum Liquids[A]Operational
Cos Cob[B]Fairfield County115Petroleum LiquidsOperational
Fort Hill 1, 2, 3 & 4New London County10.4Petroleum LiquidsOperational
Gary Court 1 & 2New London County6Petroleum LiquidsOperational
Jewett City 1New London County2.6Petroleum LiquidsOperational
LNG 1 & 2New London County5.2Petroleum LiquidsOperational
Lebanon Pines 1 & 2New London County5.2Petroleum LiquidsOperational
MiddletownMiddlesex County417.2Petroleum Liquids[A]Operational
Montville StationNew London County495.3Petroleum LiquidsOperational
New Haven HarborNew Haven County128.7Petroleum Liquids[A]Operational
Norden 1-3Fairfield County6Petroleum LiquidsOperational
North Main StreetNew London County19Petroleum LiquidsOperational
Norwich WWTPNew London County2Petroleum LiquidsOperational
South MeadowHartford County167.2Petroleum LiquidsOperational
Torrington TerminalLitchfield County21.8Petroleum LiquidsOperational
TunnelNew London County16.5Petroleum Liquids[A]Operational
Waterside Power, LLCFairfield County69.6Petroleum LiquidsOperational
Water Treatment 1 & 2New London County5.2Petroleum LiquidsOperational

A Multi-fuel plant, listed is "Total Net Summer Capacity" by source.
B Not to be confused with the historic Cos Cob Power Station


Natural gas


Data reported by U.S. Energy Information Administration[3]
Plant NameLocationCoordinatesCapacity
(MW)		TechnologyYear
Completed		Operational/Closure DateRefs
A L PierceNew Haven County84Natural Gas Fired Combustion TurbineOperational
Algonquin Windsor LocksHartford County71Natural Gas Fired Combined CycleOperational
Bradley Energy CenterHartford County5.8Natural Gas Internal Combustion EngineOperational
Bridgeport Energy ProjectFairfield County520Natural Gas Fired Combined CycleOperational
Bridgeport Fuel Cell, LLCFairfield County16.6Other Natural GasOperational
Bridgeport StationFairfield County576.3Natural Gas Fired Combined Cycle[A]Operational
CCSU Co-Gen-STBY GenHartford County2.6Natural Gas Internal Combustion Engine[A]Operational
CCSU Fuel Cell ProjectHartford County1.4Other Natural GasOperational
CJTS Energy CenterMiddlesex County0.4Other Natural GasOperational
CPV Towantic Energy CenterNew Haven County841.5Natural Gas Fired Combined CycleOperational
Capitol District Energy CenterHartford County70.5Natural Gas Fired Combined CycleOperational
Cellu TissueHartford County3Natural Gas Internal Combustion EngineOperational
Danbury Hospital Cogen PlantFairfield County4.3Natural Gas Fired Combustion TurbineOperational
Digital FairfieldFairfield County2Other Natural GasOperational
Fairfield University CHP PlantFairfield County4.5Natural Gas Fired Combustion TurbineOperational
Frito Lay IncorporatedWindham County4.6Natural Gas Fired Combustion TurbineOperational
Foxwoods CoGenNew London County162Natural Gas Fired Combined CycleOperational
HSCo CHPHartford County4Natural Gas Fired Combustion TurbineOperational
Hartford Hospital CogenerationHartford County11.8Other Natural Gas
Natural Gas Fired Combined Cycle		Operational
IBM SouthburyNew Haven County1.1Other Natural GasOperational
IKEA New Haven Rooftop PV & Fuel CellNew Haven County0.3Other Natural Gas[A]Operational
Lake Road Generating PlantWindham County840Natural Gas Fired Combined CycleOperational
Kleen Energy Systems, LLCMiddlesex County693Natural Gas Fired Combined CycleOperational
Kimberly Clark-Unit 1,2,3Litchfield County36.3Natural Gas Fired Combined Cycle
Natural Gas Fired Combustion Turbine		Operational
MiddletownMiddlesex County417.2Natural Gas Steam Turbine[A]Operational
Milford Power ProjectNew Haven County578Natural Gas Fired Combined CycleOperational
New Haven HarborNew Haven County447.9Natural Gas Steam Turbine[A]Operational
Pepperidge Farm BloomfieldHartford County2.6Other Natural GasOperational
Pfizer Groton Fuel CellNew London County5.6Other Natural GasOperational
Pfizer Groton PlantNew London County37.5Natural Gas Fired Combustion Turbine
Natural Gas Steam Turbine		Operational
Pratt & WhitneyHartford County25.8Natural Gas Fired Combustion TurbineOperational
Rand Whitney CHP PlantNew London County14.6Natural Gas Fired Combustion TurbineOperational
South Windsor Fuel CellHartford County5Other Natural GasOperational
Sikorsky Aircraft CHPFairfield County9.3Natural Gas Fired Combustion Turbine[A]Operational
TRS Fuel CellFairfield County3.7Other Natural GasOperational
Trinity College Fuel CellHartford County1.4Other Natural GasOperational
UB Fuel CellFairfield County1.4Other Natural GasOperational
UCONN Cogen FacilityTolland County25.7Natural Gas Fired Combined CycleOperational
UI RCP Bridgeport SeasideFairfield County2.5Other Natural Gas[A]Operational
UI RCP New Haven Fuel CellNew Haven County2.8Other Natural GasOperational
UI RCP Woodbridge FCNew Haven County2.8Other Natural GasOperational
Waterbury GenerationNew Haven County96Natural Gas Steam TurbineOperational
Wesleyan University Cogen 1Middlesex County2.4Natural Gas Internal Combustion EngineOperational

A Multi-fuel plant, listed is "Total Net Summer Capacity" by source.


Renewable power stations



Biomass and refuse-derived fuels


Data reported by U.S. Energy Information Administration[3]
Plant NameLocationCoordinatesCapacity
(MW)		TechnologyYear
Completed		Operational/Closure DateRefs
Covanta Bristol EnergyHartford County16.9Municipal Solid WasteOperational
Covanta Southeastern Connecticut CompanyNew London County18.3Municipal Solid WasteOperational
CT Resource Rec Authority FacilityHartford County90Municipal Solid WasteClosed July 2022[4]
Exeter Energy LPWindham County31.3Tire-derived fuel (TDF)Operational[5]
Plainfield Renewable Energy LLCWindham County43Wood/Wood Waste BiomassOperational
New Milford Gas RecoveryLitchfield County2.4Landfill gasOperational
Wheelabrator BridgeportFairfield County67Municipal Solid WasteOperational
Wheelabrator LisbonNew London County14.6Municipal Solid WasteOperational

Geothermal


There were no utility-scale Geothermal facilities in the state of Connecticut in 2019.


Hydroelectric


See also: List of dams and reservoirs in Connecticut
Data reported by U.S. Energy Information Administration [3]
Plant NameLocationCoordinatesCapacity (MW)TechnologyYear CompletedRefs
Quinebaug Lower ProjectWindham County2.5Conventional Hydroelectric
Bulls BridgeLitchfield County7.2Conventional Hydroelectric
Falls VillageLitchfield County9Conventional Hydroelectric
Goodwin HydroelectricHartford County3.2Conventional Hydroelectric
Kinneytown New OldNew Haven County2.3Conventional Hydroelectric
McCallum Enterprises I LPFairfield County8.6Conventional Hydroelectric
Rainbow (CT)Hartford County8Conventional Hydroelectric
Scotland DamWindham County2Conventional Hydroelectric
ShepaugNew Haven County37.2Conventional Hydroelectric
StevensonFairfield County30.5Conventional Hydroelectric
TaftvilleNew London County1.6Conventional Hydroelectric
Tenth StreetNew London County1.4Conventional Hydroelectric
TunnelNew Haven County1.6[A]Conventional Hydroelectric

A Multi-fuel plant, listed is "Total Net Summer Capacity" by source.


Solar


See also: Solar power in Connecticut
Data reported by U.S. Energy Information Administration [3]
PlantLocationAreaCapacity (MW)TechnologyRefs
Adams SolarNew London County1Solar Photovoltaic
Advance Stores Company, IncHartford County1
ALDI DC 2Hartford County1.2Solar Photovoltaic
Amazon_BLD3New Haven County1Solar Photovoltaic
Antares-GRE 314 East Lyme LLCNew London County4Solar Photovoltaic
Barrett Farm Solar - Phase IWindham County1.7Solar Photovoltaic
Becton CanaanLitchfield County2.5Solar Photovoltaic
Brass Mill CenterNew Haven County3.4Solar Photovoltaic
CMEEC - BozrahNew London County2.5Solar Photovoltaic
CMEEC - Navy NE TridentNew London County1Solar Photovoltaic
CMEEC - Norwich Stott St Solar HybridNew London County4.3Solar Photovoltaic
CMEEC - Polaris Park Solar HybridNew London County4.3Solar Photovoltaic
CP Middletown Solar I LLCMiddlesex County1Solar Photovoltaic
Canis Major Solar FarmHartford County2Solar Photovoltaic
Canis Minor Solar FarmLitchfield County1Solar Photovoltaic
Conn Mun Electric Energy CoopNew London County2.5Solar Photovoltaic
Corbin Russwin Phase 3 BerlinHartford County1Solar Photovoltaic
DWW Solar IIHartford County36.9Solar Photovoltaic
Franklin SolarNew London County1Solar Photovoltaic
Fusion Solar Center LLCNew London County20Solar Photovoltaic
Hamilton SolarNew London County1Solar Photovoltaic
Hartford Landfill Solar EGFHartford County1Solar Photovoltaic
IKEA New Haven Rooftop PV & Fuel CellNew Haven County0.8Solar Photovoltaic[A]
Jackson Solar (CT)New London County1Solar Photovoltaic
Jefferson SolarNew London County1Solar Photovoltaic
Manchester Community College EastHartford County1Solar Photovoltaic
Manchester Community College NorthHartford County1Solar Photovoltaic
Plainfield Solar 2Windham County1Solar Photovoltaic
Sherman SolarNew London County1Solar Photovoltaic
Sikorsky Aircraft CHPFairfield County0.1Solar Photovoltaic[A]
Somers Solar Center, LLCTolland County5Solar Photovoltaic
Stafford MS Ground Mount Community SolarTolland County2Solar Photovoltaic
Ticket Network South WindsorHartford County1Solar Photovoltaic
Town of BranfordNew Haven County1.1Solar Photovoltaic
Town of Rocky Hill PV CSGHartford County3Solar Photovoltaic
UI RCP Bridgeport SeasideFairfield County2.2Solar Photovoltaic[A]
Wilson SolarNew London County1Solar Photovoltaic
Woods Hill SolarWindham County20Solar Photovoltaic

A Multi-fuel plant, listed is "Total Net Summer Capacity" by source.


Wind


See also: Wind power in Connecticut
Data reported by U.S. Energy Information Administration [3]
PlantLocationAreaCapacity (MW)TechnologyRefs
Wind Colebrook SouthLitchfield County5Onshore Wind Turbine

Storage power stations



Battery storage


There were no utility-scale Battery Storage facilities in the state of Connecticut in 2019.


Pumped storage


Data reported by U.S. Energy Information Administration [3]
PlantLocationAreaCapacity (MW)TechnologyRefs
Rocky River (CT)Litchfield County31Hydroelectric Pumped Storage

See also



References


  1. "Electricity Data Browser, Net generation for all sectors, Connecticut, Fuel Type-Check all, Annual, 2001–21". www.eia.gov. Retrieved 2022-07-05.
  2. "Connecticut Electricity Profile". U.S. Energy Information Administration. Retrieved 2022-07-18.
  3. "Connecticut Profile: State Profile and Energy Estimates". U.S. Energy Information Administration. Retrieved 2020-03-05.
  4. "Hartford, Connecticut Garbage Incinerator to Close in 2022". ilsr.org. Retrieved 2022-08-20.
  5. "Exeter Energy Lp in Sterling, Connecticut". CountyOffice.org. Retrieved 2021-02-25.


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