Water Treatment 1 & 2

1268 Poquonnock Rd, Groton, CT 6340

Plant Summary Information

Water Treatment 1 & 2 is ranked #14 out of 19 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 108.0 MWh during the 3-month period between May 2026 to August 2026.

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	Aug 2026
Annual Generation	410.0 MWh
Annual Consumption	4.2 k MMBtu
Ranked #12,484 out of 13,301 Power Plants Nationwide
Ranked #602 out of 1,239 Distillate Fuel Oil Power Plants Nationwide
Ranked #162 out of 171 Connecticut Power Plants
Ranked #14 out of 19 Connecticut Distillate Fuel Oil Power Plants
Fuel Types	Distillate Fuel Oil

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Monthly Net Generation for Water Treatment 1 & 2

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Monthly Plant Fuel Consumption for Water Treatment 1 & 2

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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 Aug 2026
Initial Operation Date	October 2010
Annual Generation	410.0 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 2025 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
#592	St Marys	St. Marys, OH	434.0 MWh
#593	Algona	Algona, IA	449.0 MWh
#594	C W Burdick	Grand Island, NE	2.8 GWh
#595	Suwannee River	Live Oak, FL	58.5 GWh
#596	Dominion/Lo Mar	Manassas, VA	418.0 MWh
#597	Craig (AK)	Craig, AK	417.0 MWh
#598	Orrtanna	Orrtanna, PA	417.0 MWh
#599	Lost Nation	Groveton, NH	416.0 MWh
#600	Godwin Drive Plant	Manassas, VA	416.0 MWh
#601	Ascutney	Weatherfield, VT	411.0 MWh
#603	Blue Lake	Shakopee, MN	465.1 GWh
#604	Belleville	Belleville, KS	513.0 MWh
#605	NYU LANGONE HEALTH	New York, NY	46.5 GWh
#606	Forest City Light Plant	Forest City, IA	392.0 MWh
#607	Greenwood (MI)	Avoca, MI	1.8 TWh
#608	Chesterfield Landfill Gas	Chester, VA	457.0 MWh
#609	Webster City	Webster City, IA	383.2 MWh
#610	LNG 1 & 2	Norwich, CT	382.0 MWh
#611	Gary Court 1 & 2	Groton, CT	381.0 MWh
#612	Lebanon Pines 1 & 2	Lebanon, CT	374.0 MWh

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	4.4 GWh	11.1 mi
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Fort Hill 1, 2, 3 & 4	Uncasville, CT	639.0 MWh	9.1 mi
Foxwoods CoGen	Mashantucket, CT	10.8 GWh	9.7 mi
Gary Court 1 & 2	Groton, CT	381.0 MWh	1.3 mi
Millstone	Waterford, CT	17.0 TWh	7 mi
Montville Station	Uncasville, CT	133.2 GWh	6.4 mi
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Pfizer Groton Fuel Cell	Groton, CT	36.2 GWh	1.8 mi
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Rand Whitney CHP Plant	Montville, CT	132.0 GWh	8.8 mi
Subase Microgrid Project	Groton, CT	29.6 GWh	4.3 mi
White Rock Road LLC	Westerly, RI	11.5 GWh	11.1 mi
Yale New Haven - New London	New London, CT	14.0 GWh	3.4 mi