Directory of Power Plants in Connecticut
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Lebanon Pines 1 & 2 | Connecticut Mun Elec Engy Coop | Lebanon, CT | ISO New England (ISNE) | 471.0 MWh | Mar 2010 | Dec 2024 | Distillate Fuel Oil |
| LNG 1 & 2 | Connecticut Mun Elec Engy Coop | Norwich, CT | ISO New England (ISNE) | 494.0 MWh | Mar 2010 | Dec 2024 | Distillate Fuel Oil |
| Lake Road Generating Plant | Lake Road Generating Co LP | Dayville, CT | ISO New England (ISNE) | 5.8 TWh | Feb 2002 | Sep 2025 | Natural Gas |
Browse Power Plants By Connecticut Counties
Figures are based on September 2025 generation numbers.| County | State Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Northwest Hills Planning Region, CT | # 9 | 15 | 73.7 GWh |
| Western Connecticut Planning Region, CT | # 8 | 15 | 178.8 GWh |
| Capitol Planning Region, CT | # 7 | 56 | 761.3 GWh |
| Lower Connecticut River Valley Planning Region, CT | # 6 | 16 | 3.3 TWh |
| South Central Connecticut Planning Region, CT | # 5 | 23 | 3.9 TWh |
| County | State Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Naugatuck Valley Planning Region, CT | # 4 | 17 | 5.6 TWh |
| Northeastern Connecticut Planning Region, CT | # 3 | 17 | 6.2 TWh |
| Greater Bridgeport Planning Region, CT | # 2 | 10 | 6.7 TWh |
| Southeastern Connecticut Planning Region, CT | # 1 | 51 | 17.1 TWh |