Directory of Power Plants in Rhode Island
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Plainfield Pike | Captona Plainfield Pike Johnston LLC | Johnston, RI | ISO New England (ISNE) | 3.7 GWh | May 2019 | Dec 2025 | Solar |
| Pine Hill | Onsite Partners, LLC | Johnston, RI | ISO New England (ISNE) | 8.0 GWh | Jul 2020 | Dec 2025 | Solar |
| Pomham Islander (CSG) | Nautilus Solar Solutions | North Smithfield, RI | ISO New England (ISNE) | 1.5 GWh | Jun 2025 | Dec 2025 | Solar |
Browse Power Plants By Rhode Island Counties
Figures are based on May 2026 generation numbers.| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Providence County, RI | # 1 | 59 | 7.8 TWh |
| Newport County, RI | # 2 | 11 | 1.6 TWh |
| Washington County, RI | # 3 | 27 | 438.4 GWh |
| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Kent County, RI | # 4 | 18 | 225.7 GWh |
| Bristol County, RI | # 5 | 5 | 26.9 GWh |