Summary of Electricity Activity in Southeastern Connecticut Planning Region, CT
Summary of Southeastern Connecticut Planning Region, CT Generation
Southeastern Connecticut Planning Region, CT is ranked #39 out of 2,154 U.S. counties nationwide and #1 out of 9 Connecticut counties in terms of total annual net electricity generation.
| Annual Generation | 16.8 TWh |
|---|---|
| Annual Consumption | 195.5 M MMBtu |
| Last Update | May 2025 |
| Power Plants | 50 |
| Companies on File | 23 |
Map of Top Producing Plants in Southeastern Connecticut Planning Region, CT
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Annual Net Generation From nuclear power
16.0 TWh
National Rank in Terms of nuclear Net Electricity Generation
#20 /52 U.S. Counties
State Rank in Terms of nuclear Net Electricity Generation
#1 /1 Connecticut Counties
Monthly Net Generation for Southeastern Connecticut Planning Region, CT
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #1 / 9 | #39 / 2154 | 16.77 TWh | 195.47 M MMBtu |
| Nuclear | #1 / 1 | #20 / 52 | 15.96 TWh | 183.09 M MMBtu |
| Natural Gas | #7 / 8 | #385 / 926 | 444.10 GWh | 6.88 M MMBtu |
| NON-Biogenic Municipal Solid Waste | #2 / 3 | #22 / 50 | 116.65 GWh | 2.53 M MMBtu |
| Solar | #3 / 8 | #380 / 1212 | 115.03 GWh | 414.96 k MMBtu |
| Biogenic Municipal Solid Waste | #2 / 3 | #22 / 50 | 95.44 GWh | 2.07 M MMBtu |
| Water | #5 / 7 | #403 / 546 | 20.49 GWh | 79.76 k MMBtu |
| Residual Fuel Oil | #3 / 3 | #18 / 48 | 12.88 GWh | 165.71 k MMBtu |
| Distillate Fuel Oil | #3 / 6 | #111 / 736 | 10.07 GWh | 238.03 k MMBtu |
Power Plants in Southeastern Connecticut Planning Region, CT
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Millstone | Dominion Energy Nuclear Conn Inc | 16.0 TWh | 183.1 M MMBtu | Nuclear |
| Rand Whitney CHP Plant | Rand Whitney Containerboard L.P. | 133.2 GWh | 1.9 M MMBtu | Natural Gas |
| Covanta Southeastern Connecticut Company | Covanta Southeastern Connecticut Company | 112.2 GWh | 2.5 M MMBtu | Non-biogenic Municipal Solid Waste : 54.2% Biogenic Municipal Solid Waste : 44.3% Distillate Fuel Oil : 1.5% |
| Wheelabrator Lisbon | Wheelabrator Environmental Systems | 101.6 GWh | 2.2 M MMBtu | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Pfizer Groton Plant | Pfizer Inc | 82.2 GWh | 2.0 M MMBtu | Natural Gas : 94.6% Distillate Fuel Oil : 5.4% |
| Generate Colchester Fuel Cells, LLC | Generate Colchester Fuel Cells, LLC | 76.7 GWh | 1.3 M MMBtu | Natural Gas |
| Subase Microgrid Project | Connecticut Mun Elec Engy Coop | 43.1 GWh | 548.9 k MMBtu | Natural Gas |
| Fusion Solar Center LLC | Fusion Solar Centre, L.L.C | 39.9 GWh | 149.7 k MMBtu | Solar |
| Naval Sub Base New London Fuel Cell | Groton Station Fuel Cell, LLC | 34.2 GWh | 261.2 k MMBtu | Natural Gas |
| North Stonington Solar Center, LLC | Adapture Renewables, Inc. | 30.5 GWh | 107.7 k MMBtu | Solar |
| Pfizer Groton Fuel Cell | Groton Fuel Cell 1 LLC | 30.1 GWh | 270.1 k MMBtu | Natural Gas |
| Montville Station | Montville Power LLC | 27.8 GWh | 550.7 k MMBtu | Natural Gas : 52.4% Residual Fuel Oil : 46.4% Distillate Fuel Oil : 1.2% |
| Yale New Haven - New London | Bloom Energy | 14.6 GWh | 191.7 k MMBtu | Natural Gas |
| SR North Stonington | SR North Stonington, LLC | 13.2 GWh | 45.2 k MMBtu | Solar |
| Foxwoods CoGen | Foxwoods Resort Casino | 10.8 GWh | 124.1 k MMBtu | Natural Gas |
| Connecticut College | Bloom Energy | 9.1 GWh | 117.4 k MMBtu | Natural Gas |
| Tunnel | FirstLight Power Resources Services LLC | 7.7 GWh | 30.5 k MMBtu | Water |
| Scotland Dam | FirstLight Power Resources Services LLC | 6.6 GWh | 26.2 k MMBtu | Water |
| CMEEC - Polaris Park Solar Hybrid | Tesla Inc. | 4.9 GWh | 17.7 k MMBtu | Solar |
| CMEEC - Norwich Stott St Solar Hybrid | Tesla Inc. | 4.0 GWh | 14.0 k MMBtu | Solar |
| Antares-GRE 314 East Lyme LLC | MN8 Energy LLC | 3.9 GWh | 15.1 k MMBtu | Solar |
| Tenth Street | City of Norwich - (CT) | 3.2 GWh | 12.4 k MMBtu | Water |
| CMEEC - Bozrah | Tesla Inc. | 3.0 GWh | 10.6 k MMBtu | Solar |
| Taftville | FirstLight Power Resources Services LLC | 2.9 GWh | 10.9 k MMBtu | Water |
| Clinton Solar | Ecos Energy LLC | 1.7 GWh | 5.9 k MMBtu | Solar |
| Franklin Solar | Ecos Energy LLC | 1.5 GWh | 5.5 k MMBtu | Solar |
| Wilson Solar | Ecos Energy LLC | 1.5 GWh | 5.5 k MMBtu | Solar |
| Hamilton Solar | Ecos Energy LLC | 1.5 GWh | 5.4 k MMBtu | Solar |
| Jefferson Solar | Ecos Energy LLC | 1.5 GWh | 5.4 k MMBtu | Solar |
| Adams Solar | Ecos Energy LLC | 1.5 GWh | 5.3 k MMBtu | Solar |
| Jackson Solar (CT) | Ecos Energy LLC | 1.4 GWh | 5.1 k MMBtu | Solar |
| Sherman Solar | Ecos Energy LLC | 1.4 GWh | 5.1 k MMBtu | Solar |
| CMEEC - Navy NE Trident | Tesla Inc. | 1.3 GWh | 4.5 k MMBtu | Solar |
| Conn Mun Electric Energy Coop | Tesla Inc. | 1.1 GWh | 4.0 k MMBtu | Solar |
| CMEEC - Rogers Rd Solar | Tesla Inc. | 875.0 MWh | 3.2 k MMBtu | Solar |
| Backus Microgrid Project | Connecticut Mun Elec Engy Coop | 845.0 MWh | 9.1 k MMBtu | Distillate Fuel Oil |
| LNG 1 & 2 | Connecticut Mun Elec Engy Coop | 494.0 MWh | 5.3 k MMBtu | Distillate Fuel Oil |
| Lebanon Pines 1 & 2 | Connecticut Mun Elec Engy Coop | 471.0 MWh | 5.3 k MMBtu | Distillate Fuel Oil |
| Bridge Street 1 & 2 | Connecticut Mun Elec Engy Coop | 458.0 MWh | 5.3 k MMBtu | Distillate Fuel Oil |
| Fort Hill 1, 2, 3 & 4 | Connecticut Mun Elec Engy Coop | 449.0 MWh | 5.6 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 |
| Jewett City 1 | Connecticut Mun Elec Engy Coop | 205.0 MWh | 1.9 k MMBtu | Distillate Fuel Oil |
| Norwich WWTP | City of Norwich - (CT) | 1.0 MWh | 35 MMBtu | Distillate Fuel Oil |
| CMEEC - Hollyhock Solar | Tesla Inc. | 0.0 Wh | 0 MMBtu | No Information Available |
| Lebanon Solar 1 | Windham Solar LLC | 0.0 Wh | 0 MMBtu | No Information Available |
| Lebanon Solar 2 | Windham Solar LLC | 0.0 Wh | 0 MMBtu | No Information Available |
| North Main Street | City of Norwich - (CT) | 0.0 Wh | 0 MMBtu | No Information Available |
| Uncasville Mill | RockTenn-Uncasville | 0.0 Wh | 0 MMBtu | No Information Available |
| Versailles Mill | Fusion Paperboard Connecticut LLC | 0.0 Wh | 0 MMBtu | No Information Available |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #1824 | Bristol County | 13.7 GWh | 5 |
| #832 | Capitol Planning Region | 694.6 GWh | 54 |
| #1249 | Kent County | 218.0 GWh | 17 |
| #366 | Lower Connecticut River Valley Planning Region | 3.5 TWh | 16 |
| #544 | Newport County | 1.7 TWh | 10 |
| #224 | Northeastern Connecticut Planning Region | 6.2 TWh | 17 |
| #176 | Providence County | 7.5 TWh | 57 |
| #326 | South Central Connecticut Planning Region | 3.9 TWh | 23 |
| #149 | Suffolk County | 8.3 TWh | 67 |
| #1054 | Washington County | 400.4 GWh | 26 |
* Net Generation data is based on the last 12 months since May 2025
Electricity Generation for Cities Located in Southeastern Connecticut Planning Region, CT
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #13 | Baltic, CT | 141.4 GWh | 3 |
| #22 | Colchester, CT | 77.1 GWh | 2 |
| #50 | Conning Towers-Nautilus Park, CT | 4.9 GWh | 1 |
| #32 | Gales Ferry, CT | 27.8 GWh | 2 |
| #10 | Groton, CT | 192.0 GWh | 8 |
| #51 | Jewett City, CT | 4.8 GWh | 4 |
| #46 | Mashantucket, CT | 10.8 GWh | 1 |
| #36 | New London, CT | 23.7 GWh | 2 |
| #35 | Norwich, CT | 24.3 GWh | 12 |
| #9 | Oxoboxo River, CT | 249.7 GWh | 4 |
| #42 | South Windham, CT | 14.2 GWh | 8 |
| #1 | Waterford, CT | 16.0 TWh | 1 |
* Net Generation data is based on the last 12 months since May 2025