Water Treatment 1 & 2

1268 Poquonnock Rd, Groton, CT 6340

Plant Summary Information

Water Treatment 1 & 2 is ranked #14 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 160.0 MWh during the 3-month period between June 2025 to September 2025.

Plant Name	Water Treatment 1 & 2
Utility Name	Connecticut Mun Elec Engy Coop
Location	Southeastern Connecticut Planning Region, CT
Initial Operation Date	October 2010
Last Update	Sep 2025
Annual Generation	434.0 MWh
Annual Consumption	4.4 k MMBtu
Ranked #11,705 out of 12,539 Power Plants Nationwide
Ranked #544 out of 1,236 Distillate Fuel Oil Power Plants Nationwide
Ranked #152 out of 161 Connecticut Power Plants
Ranked #14 out of 20 Connecticut Distillate Fuel Oil Power Plants
Fuel Types	Distillate Fuel Oil

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Monthly Net Generation for Water Treatment 1 & 2

Water Treatment 1 & 2 Details

Summary Information
Plant Name	Water Treatment 1 & 2 (57605)
Plant Address	1268 Poquonnock Rd, Groton, CT 6340
Utility	Connecticut Mun Elec Engy Coop (4180)
Latitude, Longitude	41.3469, -72.0411
Generation Dates on File	Jan 2011 to Sep 2025
Initial Operation Date	October 2010
Annual Generation	434.0 MWh
Fuel Types	Distillate Fuel Oil

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Regulated
NERC Region	NPCC
Balancing Authority	ISO New England Inc. (ISNE)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source
Ash Impoundment	No
Transmission / Distribution Owner	Groton Dept of Utilities - (CT) (7716) CT
Grid Voltage	13.80 kV
Energy Storage	No

* Data obtained from the 2024 EIA 860 Report

Generator WT1 Details Operating October 2010

Technology	Petroleum Liquids
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	2.6 MW
Nameplate Power Factor	0.8
Summer Capacity	2.5 MW
Winter Capacity	2.5 MW
Minimum Load	1.5 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	October 2010
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Generator WT2 Details Operating October 2010

Technology	Petroleum Liquids
Prime Mover	Internal Combustion Engine
Ownership	Single Owner
Nameplate Capacity	2.6 MW
Nameplate Power Factor	0.8
Summer Capacity	2.5 MW
Winter Capacity	2.5 MW
Minimum Load	1.5 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	October 2010
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Water Treatment 1 & 2 Plant Owners

Owner Name	Address	Generator	Ownership
*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.

Rank	Plant Name	Plant Location	Annual Generation
#534	Eagle Point Power Generation	Westville, NJ	174.2 GWh
#535	Forked River	Forked River, NJ	3.8 GWh
#536	Bridge Street 1 & 2	Groton, CT	458.0 MWh
#537	Univ of Massachusetts Medical Center	Worcester, MA	68.7 GWh
#538	Petersburg	Petersburg, AK	13.0 GWh
#539	Pretlow	Franklin, VA	448.0 MWh
#540	Indianola	Indianola, IA	446.0 MWh
#541	Colstrip Energy LP	Colstrip, MT	287.5 GWh
#542	Electric Avenue Facility	Culpeper, VA	443.0 MWh
#543	Meridian	Meridian, MS	434.0 MWh
#545	SEMASS Resource Recovery	West Wareham, MA	569.5 GWh
#546	Bridgewater Power LP	Bridgewater, NH	93.0 GWh
#547	Gary Court 1 & 2	Groton, CT	422.0 MWh
#548	Lost Nation	Groveton, NH	422.0 MWh
#549	Falls City	Falls City, NE	456.0 MWh
#550	Ames GT	Ames, IA	420.0 MWh
#551	Dominion/Lo Mar	Manassas, VA	418.0 MWh
#552	New Hampton	New Hampton, IA	676.0 MWh
#553	Godwin Drive Plant	Manassas, VA	416.0 MWh
#554	Sam Rayburn	Nursery, TX	194.0 GWh

Nearby Power Plants

Below are closest 20 power plants surrounding Water Treatment 1 & 2.

Plant Name	Plant Location	Annual Generation	Distance
Antares-GRE 314 East Lyme LLC	East Lyme, CT	3.8 GWh	11.1 mi
Bridge Street 1 & 2	Groton, CT	458.0 MWh	2.4 mi
CMEEC - Navy NE Trident	Groton, CT	1.3 GWh	3.9 mi
CMEEC - Polaris Park Solar Hybrid	Gordon, CT	5.0 GWh	3 mi
Connecticut College	New London, CT	9.1 GWh	4 mi
Covanta Southeastern Connecticut Company	Preston, CT	113.3 GWh	9 mi
Fishers Island 1	Fisher's Island, NY	151.0 MWh	5.6 mi
Fort Hill 1, 2, 3 & 4	Uncasville, CT	618.0 MWh	9.1 mi
Foxwoods CoGen	Mashantucket, CT	10.8 GWh	9.7 mi
Gary Court 1 & 2	Groton, CT	422.0 MWh	1.3 mi
Millstone	Waterford, CT	16.3 TWh	7 mi
Montville Station	Uncasville, CT	27.8 GWh	6.4 mi
Naval Sub Base New London Fuel Cell	Groton, CT	43.6 GWh	4.3 mi
North Stonington Solar Center, LLC	North Stonington, CT	30.5 GWh	11.7 mi
Pfizer Groton Fuel Cell	Groton, CT	30.1 GWh	1.8 mi
Pfizer Groton Plant	Groton, CT	77.5 GWh	2.2 mi
Rand Whitney CHP Plant	Montville, CT	134.9 GWh	8.8 mi
Subase Microgrid Project	Groton, CT	43.1 GWh	4.3 mi
White Rock Road LLC	Westerly, RI	7.4 GWh	11.1 mi
Yale New Haven - New London	New London, CT	14.6 GWh	3.4 mi