Directory of Power Plants in Connecticut
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Hamilton Solar | Ecos Energy LLC | Lebanon, CT | ISO New England (ISNE) | 1.5 GWh | Feb 2018 | Dec 2023 | Solar |
| Hartford Hospital Cogeneration | Cartier Energy, LLC | Hartford, CT | ISO New England (ISNE) | 43.8 GWh | Jun 1988 | Dec 2023 | Natural Gas : 99.8% |
| HSCo CHP | Cartier Energy, LLC | Hartford, CT | ISO New England (ISNE) | 26.6 GWh | Sep 2009 | Dec 2023 | Natural Gas |
| Hartford Landfill Solar EGF | Materials Innovation Recycling Authority | Hartford, CT | ISO New England (ISNE) | 1.4 GWh | May 2014 | Dec 2023 | Solar |
Browse Power Plants By Connecticut Counties
Figures are based on September 2024 generation numbers.| County | State Rank | Active Plants | Sep 2024 Generation |
|---|---|---|---|
| Northwest Hills Planning Region, CT | # 9 | 15 | 92.3 GWh |
| Western Connecticut Planning Region, CT | # 8 | 14 | 305.3 GWh |
| Capitol Planning Region, CT | # 7 | 50 | 711.3 GWh |
| Lower Connecticut River Valley Planning Region, CT | # 6 | 15 | 3.0 TWh |
| South Central Connecticut Planning Region, CT | # 5 | 23 | 4.0 TWh |
| County | State Rank | Active Plants | Sep 2024 Generation |
|---|---|---|---|
| Naugatuck Valley Planning Region, CT | # 4 | 13 | 5.7 TWh |
| Northeastern Connecticut Planning Region, CT | # 3 | 17 | 6.1 TWh |
| Greater Bridgeport Planning Region, CT | # 2 | 10 | 6.7 TWh |
| Southeastern Connecticut Planning Region, CT | # 1 | 50 | 16.9 TWh |