Directory of Power Plants in Rhode Island
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| McAllister Landfill | Solar Breakers LLC | Portsmouth, RI | ISO New England (ISNE) | 1.5 GWh | Sep 2022 | Dec 2025 | Solar |
| Little Bay | Altus Power America Management, LLC | Providence, RI | ISO New England (ISNE) | 1.5 GWh | Feb 2014 | Dec 2025 | Solar |
| Pomham Islander (CSG) | Nautilus Solar Solutions | North Smithfield, RI | ISO New England (ISNE) | 1.5 GWh | Jun 2025 | Dec 2025 | Solar |
| Brookside | Terraform Arcadia | North Smithfield, RI | ISO New England (ISNE) | 969.0 MWh | Oct 2015 | Nov 2025 | Solar |
| Orbit Energy RI | Anaergia | Johnston, RI | ISO New England (ISNE) | 144.0 MWh | Jun 2017 | Dec 2024 | Other Biomass Gas |
| Block Island | Block Island Utility District | Block Island, RI | (NA) | 57.0 MWh | May 1999 | Feb 2026 | Distillate Fuel Oil |
Browse Power Plants By Rhode Island Counties
Figures are based on June 2026 generation numbers.| County | State Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Providence County, RI | # 1 | 59 | 7.5 TWh |
| Newport County, RI | # 2 | 11 | 1.6 TWh |
| Washington County, RI | # 3 | 27 | 436.3 GWh |
| County | State Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Kent County, RI | # 4 | 18 | 228.4 GWh |
| Bristol County, RI | # 5 | 5 | 26.9 GWh |