Tiverton Power Plant
Newport County, Rhode Island · EIA plant ID 55048 · Operator: Tiverton Power LLC
Nameplate275MWSummer 273 MW
Generators2in service
Net generation1,501GWh12 mo to Dec 2025
Capacity factor63%gas/coal/oil units, summer MW
Heat rate7,286Btu/kWhfossil units, electric fuel, HHV
First online2000Runs as baseload
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 1,774.9 | — | — |
| 2002 | 1,691.6 | — | — |
| 2003 | 1,657.2 | 75.7% | 7,167 |
| 2004 | 1,831.4 | 83.4% | 7,065 |
| 2005 | 1,791.8 | 81.8% | 7,064 |
| 2006 | 873.7 | 39.9% | 7,012 |
| 2007 | 1,211 | 55.3% | 7,335 |
| 2008 | 1,459.9 | 66.5% | 7,309 |
| 2009 | 1,529.1 | 69.8% | 7,272 |
| 2010 | 1,099.2 | 50.2% | 7,347 |
| 2011 | 1,578.7 | 72.1% | 7,329 |
| 2012 | 1,610.9 | 73.4% | 7,230 |
| 2013 | 1,220.4 | 55.7% | 7,331 |
| 2014 | 1,453.8 | 66.4% | 7,326 |
| 2015 | 1,354.1 | 61.8% | 7,322 |
| 2016 | 1,135.8 | 48.3% | 7,322 |
| 2017 | 1,302.3 | 55.5% | 7,146 |
| 2018 | 1,560.1 | 66.5% | 7,121 |
| 2019 | 1,140.2 | 48.6% | 7,172 |
| 2020 | 1,589.7 | 67.5% | 7,115 |
| 2021 | 1,511 | 63.2% | 7,029 |
| 2022 | 1,062.1 | 44.4% | 7,299 |
| 2023 | 1,653.2 | 69.1% | 7,238 |
| 2024 | 1,663.1 | 69.3% | 7,248 |
| 2025 | 1,500.8 | 62.8% | 7,286 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| UNT1 | Natural Gas Fired Combined Cycle | CT | 179.4 | 182.4 | Mar 2000 | Operating | — | coming soon |
| UNT2 | Natural Gas Fired Combined Cycle | CA | 95.1 | 90.6 | Jun 2000 | Operating | — | coming soon |
Owner / operator
Operator: Tiverton Power LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Tiverton Power LLC | 100.0% | 275 MW |
Nearby plants
Within 80 km.
| Rhode Island Solar Renewable Energy IV, | 12 MW | 3.5 km |
| Adirondack A+B Community Solar Garden | 5 MW | 6.4 km |
| WED Portsmouth One, LLC | 2 MW | 7.3 km |
| 1519 Crandall Road | 4 MW | 7.4 km |
| Westport Community Solar Garden | 2 MW | 8.3 km |
| Kearsarge West Shore Solar LLC | 5 MW | 8.5 km |