Directory of Power Plants in Rhode Island
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Richmond NMCA | AES Distributed Energy | Wood River Junction, RI | ISO New England (ISNE) | 5.7 GWh | Nov 2018 | Aug 2026 | Solar |
| Roger Williams - Melville at Portsmouth | Luminace Solar Rhode Island, LLC | Portsmouth, RI | ISO New England (ISNE) | 4.9 GWh | Feb 2021 | Dec 2025 | Solar |
| Rhode Island Hospital | Rhode Island Hospital | Providence, RI | ISO New England (ISNE) | 28.8 GWh | Sep 1974 | Jul 2026 | Natural Gas : 76.7% Residual Fuel Oil : 23.3% |
| Ridgewood Providence Power | Rhode Island LFG Genco | Johnston, RI | ISO New England (ISNE) | 3.8 GWh | Jul 2005 | Dec 2025 | Landfill Gas |
| Rhode Island Solar Renewable Energy IV, | Rhode Island Solar Renewable Energy IV, LLC | Tiverton, RI | ISO New England (ISNE) | 18.3 GWh | Nov 2023 | Dec 2025 | Solar |
| Rhode Island State Energy Center | RISEC Operating Services | Johnston, RI | ISO New England (ISNE) | 2.9 TWh | Sep 2002 | Aug 2026 | Natural Gas |
| Robin Hollow Solar | Robin Hollow Solar, LLC | West Greenwich, RI | ISO New England (ISNE) | 70.1 GWh | Nov 2023 | Aug 2026 | Solar |
Browse Power Plants By Rhode Island Counties
Figures are based on August 2026 generation numbers.| County | State Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Providence County, RI | # 1 | 60 | 7.2 TWh |
| Newport County, RI | # 2 | 11 | 1.6 TWh |
| Washington County, RI | # 3 | 28 | 439.4 GWh |
| County | State Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Kent County, RI | # 4 | 19 | 228.3 GWh |
| Bristol County, RI | # 5 | 5 | 26.9 GWh |