Directory of Power Plants in Connecticut
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Taftville | FirstLight Power Resources Services LLC | Taftville, CT | ISO New England (ISNE) | 5.1 GWh | Dec 1905 | Dec 2023 | Water |
| Tunnel | FirstLight Power Resources Services LLC | Preston, CT | ISO New England (ISNE) | 12.7 GWh | Dec 1918 | Dec 2023 | Water : 98.0% Jet Fuel : 2.0% |
| Tenth Street | City of Norwich - (CT) | Norwich, CT | ISO New England (ISNE) | 3.9 GWh | Apr 1967 | Dec 2023 | Water |
| Torrington Terminal | Connecticut Jet Power LLC | Torrington, CT | ISO New England (ISNE) | 191.2 MWh | Oct 1967 | Dec 2022 | Kerosene |
| Town of Rocky Hill PV CSG | Tesla Inc. | Rocky Hill, CT | ISO New England (ISNE) | 4.8 GWh | Feb 2018 | Dec 2023 | Solar |
| Ticket Network South Windsor | EnterSolar | South Windsor, CT | ISO New England (ISNE) | 1.6 GWh | Apr 2018 | Dec 2023 | Solar |
| Town of Branford | Tesla Inc. | Branford, CT | ISO New England (ISNE) | 1.6 GWh | May 2018 | Dec 2023 | Solar |
| Trinity College Fuel Cell | AEP Onsite Partners, LLC | Hartford, CT | ISO New England (ISNE) | 10.1 GWh | Jul 2018 | Dec 2022 | Natural Gas |
| Torrington Solar One, LLC | DG Connecticut III, LLC | Torrington, CT | ISO New England (ISNE) | 3.5 GWh | Feb 2021 | Dec 2023 | Solar |
Browse Power Plants By Connecticut Counties
Figures are based on June 2024 generation numbers.| County | State Rank | Active Plants | Jun 2024 Generation |
|---|---|---|---|
| Southeastern Connecticut Planning Region, CT | # 1 | 50 | 17.2 TWh |
| Greater Bridgeport Planning Region, CT | # 2 | 10 | 6.9 TWh |
| Northeastern Connecticut Planning Region, CT | # 3 | 17 | 6.3 TWh |
| Naugatuck Valley Planning Region, CT | # 4 | 13 | 6.3 TWh |
| South Central Connecticut Planning Region, CT | # 5 | 22 | 4.1 TWh |
| County | State Rank | Active Plants | Jun 2024 Generation |
|---|---|---|---|
| Lower Connecticut River Valley Planning Region, CT | # 6 | 15 | 3.3 TWh |
| Capitol Planning Region, CT | # 7 | 49 | 767.0 GWh |
| Western Connecticut Planning Region, CT | # 8 | 14 | 337.6 GWh |
| Northwest Hills Planning Region, CT | # 9 | 15 | 98.1 GWh |