Water Treatment 1 & 2

1268 Poquonnock Rd, Groton, CT 6340

Plant Summary Information

Water Treatment 1 & 2 is ranked #13 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 121.0 MWh during the 3-month period between February 2026 to May 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	May 2026
Annual Generation	494.0 MWh
Annual Consumption	4.9 k MMBtu
Ranked #12,245 out of 13,081 Power Plants Nationwide
Ranked #569 out of 1,233 Distillate Fuel Oil Power Plants Nationwide
Ranked #159 out of 168 Connecticut Power Plants
Ranked #13 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 May 2026
Initial Operation Date	October 2010
Annual Generation	494.0 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
#559	Osceola Generating Station (FL)	St. Cloud, FL	3.7 GWh
#560	Piqua Power Plant	Piqua, OH	529.0 MWh
#561	East Campus Utility Plant	Cincinnati, OH	526.3 MWh
#562	Shawville	Shawville, PA	1.2 TWh
#563	Bellingham Cogeneration Facility	Bellingham, MA	367.8 GWh
#564	Yellowstone Energy LP	Billings, MT	450.2 GWh
#565	Cascade Creek	Rochester, MN	32.7 GWh
#566	Klawock Power Generation Station	Klawock, AK	500.0 MWh
#567	Univ Minnesota CHP Plant	Minneapolis, MN	172.0 GWh
#568	Winston	Lakeland, FL	497.0 MWh
#570	Clearwater Paper APP CB	Arkansas City, AR	123.3 GWh
#571	Marshall (NC)	Terrell, NC	7.5 TWh
#572	Southold	Greenport, NY	483.0 MWh
#573	Valencia	Nogales, AZ	6.8 GWh
#574	Paris Energy Center	Paris, TX	320.9 GWh
#575	Indiana University of Pennsylvania	Indiana, PA	19.9 GWh
#576	Greenville Electric Generating Station	Greenville, OH	105.0 GWh
#577	Litchfield	Litchfield, MN	861.0 MWh
#578	Montpelier	Montpelier, OH	466.0 MWh
#579	Hallam	Hallam, NE	547.0 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	4.2 GWh	11.1 mi
Bridge Street 1 & 2	Groton, CT	452.0 MWh	2.4 mi
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CMEEC - Polaris Park Solar Hybrid	Gordon, CT	4.5 GWh	3 mi
Connecticut College	New London, CT	10.1 GWh	4 mi
Covanta Southeastern Connecticut Company	Preston, CT	108.5 GWh	9 mi
Fishers Island 1	Fisher's Island, NY	129.0 MWh	5.6 mi
Fort Hill 1, 2, 3 & 4	Uncasville, CT	734.0 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	17.2 TWh	7 mi
Montville Station	Uncasville, CT	133.2 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	31.7 GWh	11.7 mi
Pfizer Groton Fuel Cell	Groton, CT	30.1 GWh	1.8 mi
Pfizer Groton Plant	Groton, CT	75.4 GWh	2.2 mi
Rand Whitney CHP Plant	Montville, CT	131.8 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