Summary of Electricity Activity in Groton, CT
Summary of Groton, CT Generation
Groton, CT is ranked #1,886 out of 5,785 U.S. cities nationwide and #10 out of 66 Connecticut cities in terms of total annual net electricity generation.
| Annual Generation | 15.2 GWh |
|---|---|
| Annual Consumption | 2.9 M MMBtu |
| Last Update | Dec 2025 |
| Power Plants | 8 |
| Companies on File | 5 |
| Power Plants in 50 Mile Radius | 257 |
| Power Plants in 100 Mile Radius | 1,173 |
Map of Top Producing Plants in Groton, CT
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Annual Net Generation From natural gas power
184.3 GWh
National Rank in Terms of natural gas Net Electricity Generation
#616 /1,469 U.S. Cities
State Rank in Terms of natural gas Net Electricity Generation
#7 /30 Connecticut Cities
Monthly Net Generation for Groton, CT
Monthly Plant Fuel Consumption for Groton, CT
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #10 / 66 | #1886 / 5785 | 194.40 GWh | 2.93 M MMBtu |
| Natural Gas | #7 / 30 | #616 / 1469 | 184.33 GWh | 2.66 M MMBtu |
| Distillate Fuel Oil | #4 / 13 | #140 / 1023 | 8.80 GWh | 268.56 k MMBtu |
| Solar | #39 / 42 | #2930 / 3079 | 1.28 GWh | 4.51 k MMBtu |
Power Plants in Groton, CT
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Pfizer Groton Plant | Pfizer Inc | 75.0 GWh | 2.0 M MMBtu | Natural Gas : 90.0% Distillate Fuel Oil : 10.0% |
| Naval Sub Base New London Fuel Cell | Groton Station Fuel Cell, LLC | 43.6 GWh | 288.3 k MMBtu | Natural Gas |
| Subase Microgrid Project | Connecticut Mun Elec Engy Coop | 43.1 GWh | 327.3 k MMBtu | Natural Gas |
| Pfizer Groton Fuel Cell | Groton Fuel Cell 1 LLC | 30.1 GWh | 270.1 k MMBtu | Natural Gas |
| CMEEC - Navy NE Trident | Tesla Inc. | 1.3 GWh | 4.5 k MMBtu | Solar |
| Bridge Street 1 & 2 | Connecticut Mun Elec Engy Coop | 458.0 MWh | 5.3 k MMBtu | Distillate Fuel Oil |
| Gary Court 1 & 2 | Connecticut Mun Elec Engy Coop | 422.0 MWh | 4.6 k MMBtu | Distillate Fuel Oil |
| Water Treatment 1 & 2 | Connecticut Mun Elec Engy Coop | 417.0 MWh | 4.3 k MMBtu | Distillate Fuel Oil |
Electricity Generation for Neighboring Cities
| National Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #2799 | Ashaway | 47.3 GWh | 3 |
| #4559 | Conning Towers-Nautilus Park | 5.0 GWh | 1 |
| #5592 | Fishers Island | 151.0 MWh | 2 |
| #3183 | Gales Ferry | 27.8 GWh | 2 |
| #3887 | Mashantucket | 10.8 GWh | 1 |
| #3301 | New London | 23.7 GWh | 2 |
| #3291 | Norwich | 24.1 GWh | 12 |
| #1724 | Oxoboxo River | 255.0 GWh | 4 |
| #29 | Waterford | 16.7 TWh | 1 |
| #3721 | Westerly | 13.9 GWh | 2 |