Summary of Electricity Activity in Groton, CT

Summary of Groton, CT Generation

Groton, CT is ranked #1,826 out of 5,718 U.S. cities nationwide and #10 out of 67 Connecticut cities in terms of total annual net electricity generation.

Annual Generation 13.3 GWh
Annual Consumption 3.1 M MMBtu
Last UpdateMar 2025
Power Plants8
Companies on File5
Power Plants in 50 Mile Radius 251
Power Plants in 100 Mile Radius 1,161

Map of Top Producing Plants in Groton, CT

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Overall National Rank

#1,826 /5,718 U.S. Cities

In Net Annual Generation

Overall State Rank

#10 /67 Connecticut Cities

In Net Annual Generation

Overall Annual Net Geneneration

190.0 GWh

Total Annual Fuel Consumption

3.1 M MMBtu

Electric Companies in Groton, CT

5

Groton, CT
Power Plants

8

Annual Net Generation From natural gas power

183.4 GWh

National Rank in Terms of natural gas Net Electricity Generation

#624 /1,469 U.S. Cities

State Rank in Terms of natural gas Net Electricity Generation

#7 /30 Connecticut Cities

Net Generation by Fuel Source

Net Generation by Fuel Source Breakdown

State RankNational RankGenerationFuel Consumption
All#10 / 67#1826 / 5718190.05 GWh3.08 M MMBtu
Natural Gas#7 / 30#624 / 1469183.36 GWh2.91 M MMBtu
Distillate Fuel Oil#3 / 14#173 / 10395.41 GWh162.74 k MMBtu
Solar#40 / 43#2835 / 29781.28 GWh4.51 k MMBtu

Monthly Net Generation for Groton, CT

Power Plants in Groton, CT

PlantUtility NameGenerationConsumptionFuel Types
Pfizer Groton PlantPfizer Inc80.2 GWh2.0 M MMBtu Natural Gas : 94.7% Distillate Fuel Oil : 5.3%
Subase Microgrid ProjectConnecticut Mun Elec Engy Coop43.1 GWh548.9 k MMBtu Natural Gas
Naval Sub Base New London Fuel CellGroton Station Fuel Cell, LLC34.2 GWh261.2 k MMBtu Natural Gas
Pfizer Groton Fuel CellGroton Fuel Cell 1 LLC30.1 GWh270.1 k MMBtu Natural Gas
CMEEC - Navy NE TridentTesla Inc.1.3 GWh4.5 k MMBtu Solar
Bridge Street 1 & 2Connecticut Mun Elec Engy Coop458.0 MWh5.3 k MMBtu Distillate Fuel Oil
Gary Court 1 & 2Connecticut Mun Elec Engy Coop422.0 MWh4.6 k MMBtu Distillate Fuel Oil
Water Treatment 1 & 2Connecticut Mun Elec Engy Coop303.0 MWh3.5 k MMBtu Distillate Fuel Oil

Electricity Generation for Neighboring Cities

National RankCityNet Generation# Power Plants
#2734Ashaway47.3 GWh3
#4510Conning Towers-Nautilus Park4.9 GWh1
#5522Fishers Island151.0 MWh2
#3120Gales Ferry27.8 GWh2
#3833Mashantucket10.8 GWh1
#3246New London23.7 GWh2
#3226Norwich24.3 GWh12
#1671Oxoboxo River249.0 GWh4
#28Waterford17.1 TWh1
#3670Westerly13.9 GWh2

* Net Generation data is based on the last 12 months since Mar 2025