Directory of Power Plants in Rhode Island
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Manchester Street | Manchester Street, LLC. | Providence, RI | ISO New England (ISNE) | 2.2 TWh | Aug 1995 | Aug 2026 | Natural Gas : 92.5% Distillate Fuel Oil : 7.5% |
| Ocean State Power II | Ocean State Power II | Harrisville, RI | ISO New England (ISNE) | 576.9 GWh | Sep 1991 | Dec 2025 | Natural Gas : 99.9% |
| Ocean State Power | Ocean State Power Co | Harrisville, RI | ISO New England (ISNE) | 1.0 TWh | Nov 1990 | Dec 2025 | Natural Gas : 99.7% |
| Thundermist Hydro | City of Woonsocket - (RI) | Providence, RI | ISO New England (ISNE) | 3.3 GWh | May 1981 | Jul 2025 | Water |
| Blackstone/Tupperware | Blackstone Hydro Inc. | North Smithfield, RI | ISO New England (ISNE) | 1.8 GWh | Dec 1980 | Aug 2026 | Water |
| 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% |
| Central Power Plant | State of Rhode Island | Cranston, RI | ISO New England (ISNE) | 16.0 GWh | Jul 1958 | Jul 2026 | Natural Gas : 98.6% Distillate Fuel Oil : 1.4% |
Browse Power Plants By Rhode Island Counties
Figures are based on December 2025 generation numbers.| County | State Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Bristol County, RI | # 5 | 5 | 26.9 GWh |
| Kent County, RI | # 4 | 19 | 228.3 GWh |
| Washington County, RI | # 3 | 28 | 439.4 GWh |
| County | State Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Newport County, RI | # 2 | 11 | 1.6 TWh |
| Providence County, RI | # 1 | 60 | 7.2 TWh |