2. U.S. Power Plants
  3. Connecticut
  4. Southeastern Connecticut Planning Region, CT
  5. Groton, CT
  6. Water Treatment 1 & 2

Water Treatment 1 & 2

1268 Poquonnock Rd, Groton, CT 6340

Plant Summary Information

Water Treatment 1 & 2 is ranked #15 out of 20 distillate fuel oil power plants in Connecticut in terms of total annual net electricity generation.

Water Treatment 1 & 2 is comprised of 2 generators and generated 75.0 MWh during the 3-month period between July 2025 to October 2025.

Plant NameWater Treatment 1 & 2
Utility NameConnecticut Mun Elec Engy Coop
LocationSoutheastern Connecticut Planning Region, CT
Initial Operation DateOctober 2010
Last Update Oct 2025
Annual Generation 401.0 MWh
Annual Consumption 4.6 k MMBtu
Ranked #11,743 out of 12,553 Power Plants Nationwide
Ranked #560 out of 1,240 Distillate Fuel Oil Power Plants Nationwide
Ranked #153 out of 161 Connecticut Power Plants
Ranked #15 out of 20 Connecticut Distillate Fuel Oil Power Plants
Fuel Types Distillate Fuel Oil

Map of Water Treatment 1 & 2

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Monthly Net Generation for Water Treatment 1 & 2

Water Treatment 1 & 2 Details

Summary Information
Plant NameWater Treatment 1 & 2 (57605)
Plant Address1268 Poquonnock Rd, Groton, CT 6340
UtilityConnecticut Mun Elec Engy Coop (4180)
Latitude, Longitude41.3469, -72.0411
Generation Dates on FileJan 2011 to Oct 2025
Initial Operation DateOctober 2010
Annual Generation 401.0 MWh
Fuel Types Distillate Fuel Oil
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusRegulated
NERC RegionNPCC
Balancing AuthorityISO New England Inc. (ISNE)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water Source
Ash Impoundment No
Transmission / Distribution OwnerGroton Dept of Utilities - (CT) (7716) CT
Grid Voltage 13.80 kV
Energy StorageNo

* Data obtained from the 2024 EIA 860 Report

Generator WT1 Details Operating October 2010

TechnologyPetroleum Liquids
Prime MoverInternal Combustion Engine
OwnershipSingle Owner
Nameplate Capacity2.6 MW
Nameplate Power Factor0.8
Summer Capacity2.5 MW
Winter Capacity2.5 MW
Minimum Load1.5 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateOctober 2010
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceDistillate Fuel Oil
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Multiple FuelsNo

Generator WT2 Details Operating October 2010

TechnologyPetroleum Liquids
Prime MoverInternal Combustion Engine
OwnershipSingle Owner
Nameplate Capacity2.6 MW
Nameplate Power Factor0.8
Summer Capacity2.5 MW
Winter Capacity2.5 MW
Minimum Load1.5 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateOctober 2010
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceDistillate Fuel Oil
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load10M
Multiple FuelsNo

Water Treatment 1 & 2 Plant Owners

Owner NameAddressGeneratorOwnership
We couldn't locate any owners for this plant

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Distillate Fuel Oil.

RankPlant NamePlant LocationAnnual Generation
#550Falls CityFalls City, NE456.0 MWh
#551Ames GTAmes, IA420.0 MWh
#552Dominion/Lo MarManassas, VA418.0 MWh
#553New HamptonNew Hampton, IA676.0 MWh
#554Godwin Drive PlantManassas, VA416.0 MWh
#555Sam RayburnNursery, TX194.0 GWh
#556Bluegrass Generating StationLaGrange, KY112.5 GWh
#557NY Times Daily Production FacilityFlushing, NY409.0 MWh
#558Long Creek Waste Water PlantDallas, NC408.0 MWh
#559Dover PeakingDover, OH402.0 MWh
#561Seward (AK)Seward, AK393.0 MWh
#562RawhideWellington, CO1.4 TWh
#563DowntownFranklin, VA384.0 MWh
#564Quay CountyTucumcari, NM378.0 MWh
#565AlamosaAlamosa, CO10.6 GWh
#566Caithness Long Island Energy CenterYaphank, NY2.4 TWh
#567PyramidLordsburg, NM269.7 GWh
#568Energy Center DoverDover, DE95.4 GWh
#569Lagoon CreekBrownsville, TN3.1 TWh
#570Burlington GTBurlington, VT358.0 MWh

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