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 #36 out of 2,193 U.S. counties nationwide and #1 out of 9 Connecticut counties in terms of total annual net electricity generation.
| Annual Generation | 18.1 TWh |
|---|---|
| Annual Consumption | 202.4 M MMBtu |
| Last Update | May 2026 |
| Power Plants | 52 |
| Companies on File | 25 |
Map of Top Producing Plants in Southeastern Connecticut Planning Region, CT
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Annual Net Generation From nuclear power
17.2 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
Monthly Plant Fuel Consumption 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 | #36 / 2193 | 18.06 TWh | 202.41 M MMBtu |
| Nuclear | #1 / 1 | #20 / 52 | 17.16 TWh | 189.70 M MMBtu |
| Natural Gas | #7 / 8 | #395 / 927 | 441.94 GWh | 5.85 M MMBtu |
| Solar | #2 / 8 | #455 / 1317 | 116.58 GWh | 422.30 k MMBtu |
| NON-Biogenic Municipal Solid Waste | #2 / 3 | #22 / 48 | 113.84 GWh | 2.52 M MMBtu |
| Residual Fuel Oil | #1 / 3 | #11 / 48 | 99.25 GWh | 1.40 M MMBtu |
| Biogenic Municipal Solid Waste | #2 / 3 | #22 / 48 | 93.14 GWh | 2.07 M MMBtu |
| Distillate Fuel Oil | #5 / 6 | #113 / 741 | 15.98 GWh | 399.27 k MMBtu |
| Water | #6 / 7 | #425 / 536 | 13.93 GWh | 50.49 k MMBtu |
Power Plants in Southeastern Connecticut Planning Region, CT
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Millstone | Dominion Energy Nuclear Conn Inc | 17.2 TWh | 189.7 M MMBtu | Nuclear |
| Montville Station | Montville Power LLC | 133.2 GWh | 1.9 M MMBtu | Residual Fuel Oil : 74.2% Natural Gas : 24.9% Distillate Fuel Oil : 0.9% |
| Rand Whitney CHP Plant | Rand Whitney Containerboard L.P. | 131.8 GWh | 1.9 M MMBtu | Natural Gas |
| Covanta Southeastern Connecticut Company | Covanta Southeastern Connecticut Company | 108.5 GWh | 2.5 M MMBtu | Non-biogenic Municipal Solid Waste : 53.9% Biogenic Municipal Solid Waste : 44.1% Distillate Fuel Oil : 2.1% |
| Wheelabrator Lisbon | Wheelabrator Environmental Systems | 100.8 GWh | 2.2 M MMBtu | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Pfizer Groton Plant | Pfizer Inc | 75.4 GWh | 2.0 M MMBtu | Natural Gas : 88.5% Distillate Fuel Oil : 11.5% |
| Generate Colchester Fuel Cells, LLC | Generate Colchester Fuel Cells, LLC | 72.4 GWh | 591.5 k MMBtu | Natural Gas |
| Naval Sub Base New London Fuel Cell | Groton Station Fuel Cell, LLC | 43.6 GWh | 288.3 k MMBtu | Natural Gas |
| Fusion Solar Center LLC | Fusion Solar Centre, L.L.C | 37.8 GWh | 141.0 k MMBtu | Solar |
| North Stonington Solar Center, LLC | Adapture Renewables, Inc. | 31.7 GWh | 113.0 k MMBtu | Solar |
| Pfizer Groton Fuel Cell | Groton Fuel Cell 1 LLC | 30.1 GWh | 270.1 k MMBtu | Natural Gas |
| Subase Microgrid Project | Connecticut Mun Elec Engy Coop | 29.6 GWh | 263.2 k MMBtu | Natural Gas |
| SR North Stonington | SR North Stonington, LLC | 15.0 GWh | 53.2 k MMBtu | Solar |
| Yale New Haven - New London | Bloom Energy | 14.0 GWh | 109.2 k MMBtu | Natural Gas |
| Foxwoods CoGen | Foxwoods Resort Casino | 10.8 GWh | 126.2 k MMBtu | Natural Gas |
| Connecticut College | Bloom Energy | 10.1 GWh | 75.6 k MMBtu | Natural Gas |
| Tunnel | FirstLight Power Resources Services LLC | 5.9 GWh | 21.4 k MMBtu | Water |
| CMEEC - Polaris Park Solar Hybrid | Tesla Inc. | 4.5 GWh | 16.2 k MMBtu | Solar : 99.9% |
| Antares-GRE 314 East Lyme LLC | MN8 Energy LLC | 4.2 GWh | 16.0 k MMBtu | Solar |
| Scotland Dam | FirstLight Power Resources Services LLC | 3.8 GWh | 14.4 k MMBtu | Water |
| CMEEC - Norwich Stott St Solar Hybrid | Tesla Inc. | 3.6 GWh | 12.8 k MMBtu | Solar |
| CMEEC - Bozrah | Tesla Inc. | 3.1 GWh | 10.8 k MMBtu | Solar |
| Taftville | FirstLight Power Resources Services LLC | 2.2 GWh | 8.2 k MMBtu | Water |
| Tenth Street | City of Norwich - (CT) | 1.9 GWh | 6.6 k MMBtu | Water |
| Clinton Solar | Ecos Energy LLC | 1.7 GWh | 6.0 k MMBtu | Solar |
| Franklin Solar (CT) | Ecos Energy LLC | 1.6 GWh | 5.7 k MMBtu | Solar |
| Wilson Solar (CT) | Ecos Energy LLC | 1.6 GWh | 5.7 k MMBtu | Solar |
| Adams Solar | Ecos Energy LLC | 1.6 GWh | 5.6 k MMBtu | Solar |
| Hamilton Solar | Ecos Energy LLC | 1.6 GWh | 5.6 k MMBtu | Solar |
| Jefferson Solar (CT) | Ecos Energy LLC | 1.6 GWh | 5.6 k MMBtu | Solar |
| Sherman Solar | Ecos Energy LLC | 1.6 GWh | 5.5 k MMBtu | Solar |
| Jackson Solar (CT) | Ecos Energy LLC | 1.6 GWh | 5.5 k MMBtu | Solar |
| CMEEC - Rogers Rd Solar | Tesla Inc. | 1.5 GWh | 5.5 k MMBtu | Solar |
| Conn Mun Electric Energy Coop | Tesla Inc. | 1.2 GWh | 4.4 k MMBtu | Solar |
| CMEEC - Navy NE Trident | Tesla Inc. | 1.2 GWh | 4.3 k MMBtu | Solar |
| Backus Microgrid Project | Connecticut Mun Elec Engy Coop | 843.0 MWh | 8.4 k MMBtu | Distillate Fuel Oil |
| Fort Hill 1, 2, 3 & 4 | Connecticut Mun Elec Engy Coop | 734.0 MWh | 7.6 k MMBtu | Distillate Fuel Oil |
| Water Treatment 1 & 2 | Connecticut Mun Elec Engy Coop | 494.0 MWh | 4.9 k MMBtu | Distillate Fuel Oil |
| Bridge Street 1 & 2 | Connecticut Mun Elec Engy Coop | 452.0 MWh | 5.3 k MMBtu | Distillate Fuel Oil |
| LNG 1 & 2 | Connecticut Mun Elec Engy Coop | 382.0 MWh | 4.6 k MMBtu | Distillate Fuel Oil |
| Gary Court 1 & 2 | Connecticut Mun Elec Engy Coop | 381.0 MWh | 4.5 k MMBtu | Distillate Fuel Oil |
| Lebanon Pines 1 & 2 | Connecticut Mun Elec Engy Coop | 374.0 MWh | 4.4 k MMBtu | Distillate Fuel Oil |
| Jewett City 1 | Connecticut Mun Elec Engy Coop | 139.0 MWh | 1.6 k MMBtu | Distillate Fuel Oil |
| Norwich WWTP | City of Norwich - (CT) | 0.0 Wh | 0 MMBtu | No Information Available |
| 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 Franklin Solar | NJR Clean Energy Ventures Corporation | 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 |
| Wyre Wynd Hydroelectric Project | Relevate Power Management LLC | 0.0 Wh | 0 MMBtu | No Information Available |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #1765 | Bristol County | 26.9 GWh | 5 |
| #761 | Capitol Planning Region | 853.4 GWh | 61 |
| #1284 | Kent County | 225.7 GWh | 18 |
| #343 | Lower Connecticut River Valley Planning Region | 3.8 TWh | 16 |
| #585 | Newport County | 1.6 TWh | 11 |
| #227 | Northeastern Connecticut Planning Region | 6.2 TWh | 17 |
| #172 | Providence County | 7.8 TWh | 59 |
| #355 | South Central Connecticut Planning Region | 3.6 TWh | 23 |
| #126 | Suffolk County | 9.4 TWh | 69 |
| #1035 | Washington County | 438.4 GWh | 27 |
Electricity Generation for Cities Located in Southeastern Connecticut Planning Region, CT
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #14 | Baltic, CT | 138.6 GWh | 3 |
| #24 | Colchester, CT | 72.7 GWh | 2 |
| #54 | Conning Towers-Nautilus Park, CT | 4.5 GWh | 1 |
| #15 | Gales Ferry, CT | 133.2 GWh | 2 |
| #13 | Groton, CT | 181.3 GWh | 8 |
| #53 | Jewett City, CT | 4.9 GWh | 5 |
| #47 | Mashantucket, CT | 10.8 GWh | 1 |
| #35 | New London, CT | 24.2 GWh | 2 |
| #38 | Norwich, CT | 20.8 GWh | 12 |
| #9 | Oxoboxo River, CT | 245.2 GWh | 4 |
| #45 | South Windham, CT | 11.7 GWh | 9 |
| #1 | Waterford, CT | 17.2 TWh | 1 |