TIVERTON POWER PLANT
OperatingNatural Gas power plant
- Capacity
- 273 MW
- Primary fuel
- Natural Gas
- County
- Newport County
- Operator
- TIVERTON POWER LLC
- Status
- Operating
- Commissioned
- 2000
- EIA plant ID
- 55048
- Generators
- 2
- Technology
- Natural Gas Fired Combined Cycle
- Net generation (2024)
- 1,663 GWh
- Capacity factor (2024, EIA nameplate)
- 65%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 41.6422, -71.1706
TIVERTON POWER PLANT, a 273 MW Natural Gas power plant in Newport County, Rhode Island. Operated by TIVERTON POWER LLC, commissioned 2000.
How TIVERTON POWER PLANT compares
With 273 MW of capacity, TIVERTON POWER PLANT ranks 3rd among the 20 operating power plants Bywatts maps in Rhode Island and 3rd of the 6 operating Natural Gas plants in the state. It accounts for about 14% of Rhode Island's operating Natural Gas capacity and 14% of all operating capacity in the state. Nationally it is the 486th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2000, it is newer than 50% of the 12 operating Rhode Island plants with a recorded commissioning year.
EIA-860 lists 2 generators at the site with 290 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 1,663 GWh in 2024 (a 65% capacity factor), up 57% from 2022.
Grid neighborhood
The closest transmission line found within 10 miles is a 115 kV line, under 0.1 miles away. Another 14 operating power plants totaling 1,689 MW sit within 25 miles; the largest is ENTERGY RHODE ISLAND STATE ENERGY LP (596 MW, Natural Gas). Within 50 miles is one mapped data center, Markley Group One Summer Street Boston in Boston, about 49.6 miles away.
Computed by Bywatts from HIFLD power plant and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
TIVERTON POWER PLANT is a 273 MW natural gas power plant in Newport County, RI, operated by TIVERTON POWER LLC, commissioned in 2000. Newport County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.2 of 5 at the 6th national percentile. Hurricane is the leading peril, rated Relatively Low by FEMA at the 78th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Newport County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively Low | 78th | 4.1 of 5 | 0.20 |
| Coastal flooding | Relatively Moderate | 61st | 3.4 of 5 | 3.7 |
| Earthquake | Very Low | 43rd | 2.7 of 5 | <0.01 |
| Ice storm | Relatively Low | 28th | 2.1 of 5 | 0.24 |
| Strong wind | Relatively Low | 16th | 1.6 of 5 | 0.70 |
| Winter weather | Relatively Low | 16th | 1.6 of 5 | 9.7 |
| Tornado | Very Low | 14th | 1.5 of 5 | 0.04 |
| Lightning | Relatively Low | 14th | 1.5 of 5 | 19.7 |
| Heat wave | Very Low | 5th | 1.2 of 5 | 2.6 |
| Riverine flooding | Relatively Low | 5th | 1.2 of 5 | 0.46 |
| Wildfire | Very Low | 4th | 1.2 of 5 | <0.01 |
| Hail | Very Low | 2nd | 1.1 of 5 | 1.1 |
Model hail, wind and flood exposure for Newport County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.