Summary of Electricity Activity in Groton, CT
Summary of Groton, CT Generation
Groton, CT is ranked #1,847 out of 5,727 U.S. cities nationwide and #10 out of 67 Connecticut cities in terms of total annual net electricity generation.
| Annual Generation | 13.6 GWh |
|---|---|
| Annual Consumption | 3.1 M MMBtu |
| Last Update | May 2025 |
| Power Plants | 8 |
| Companies on File | 5 |
| 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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Annual Net Generation From natural gas power
185.2 GWh
National Rank in Terms of natural gas Net Electricity Generation
#621 /1,468 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 Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #10 / 67 | #1847 / 5727 | 192.03 GWh | 3.07 M MMBtu |
| Natural Gas | #7 / 30 | #621 / 1468 | 185.15 GWh | 2.90 M MMBtu |
| Distillate Fuel Oil | #3 / 14 | #166 / 1035 | 5.60 GWh | 169.19 k MMBtu |
| Solar | #40 / 43 | #2847 / 2990 | 1.28 GWh | 4.51 k MMBtu |
Monthly Net Generation for Groton, CT
Power Plants in Groton, CT
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Pfizer Groton Plant | Pfizer Inc | 82.2 GWh | 2.0 M MMBtu | Natural Gas : 94.6% Distillate Fuel Oil : 5.4% |
| Subase Microgrid Project | Connecticut Mun Elec Engy Coop | 43.1 GWh | 548.9 k MMBtu | Natural Gas |
| Naval Sub Base New London Fuel Cell | Groton Station Fuel Cell, LLC | 34.2 GWh | 261.2 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 | 290.0 MWh | 3.1 k MMBtu | Distillate Fuel Oil |
Electricity Generation for Neighboring Cities
| National Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #2759 | Ashaway | 47.3 GWh | 3 |
| #4518 | Conning Towers-Nautilus Park | 4.9 GWh | 1 |
| #5531 | Fishers Island | 151.0 MWh | 2 |
| #3142 | Gales Ferry | 27.8 GWh | 2 |
| #3847 | Mashantucket | 10.8 GWh | 1 |
| #3266 | New London | 23.7 GWh | 2 |
| #3251 | Norwich | 24.3 GWh | 12 |
| #1688 | Oxoboxo River | 249.7 GWh | 4 |
| #31 | Waterford | 16.0 TWh | 1 |
| #3682 | Westerly | 13.9 GWh | 2 |
* Net Generation data is based on the last 12 months since May 2025