Ocean State Power II
Providence County, Rhode Island · EIA plant ID 54324 · Operator: Ocean State Power II
Nameplate307MWSummer 268 MW
Generators3in service
Net generation577GWh12 mo to Dec 2025
Capacity factor25%gas/coal/oil units, summer MW
Heat rate8,928Btu/kWhfossil units, electric fuel, HHV
First online1991Runs as intermediate
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 | 1,577.3 | — | — |
| 2002 | 1,279 | — | — |
| 2003 | 722 | 37.7% | 9,494 |
| 2004 | 649.3 | 33.8% | 8,866 |
| 2005 | 482 | 25.2% | 8,903 |
| 2006 | 470.4 | 24.6% | 8,552 |
| 2007 | 715.9 | 37.4% | 8,781 |
| 2008 | 555.1 | 28.9% | 8,702 |
| 2009 | 539.4 | 28.2% | 8,495 |
| 2010 | 678.5 | 35.4% | 8,510 |
| 2011 | 738 | 38.5% | 8,902 |
| 2012 | 682.5 | 35.5% | 8,246 |
| 2013 | 579.3 | 30.3% | 8,732 |
| 2014 | 559.8 | 29.2% | 8,672 |
| 2015 | 588.3 | 30.7% | 9,076 |
| 2016 | 284.4 | 14.8% | 9,051 |
| 2017 | 543.3 | 28.4% | 8,461 |
| 2018 | 836 | 43.6% | 9,443 |
| 2019 | 608.9 | 31.8% | 8,909 |
| 2020 | 633.1 | 33.0% | 7,998 |
| 2021 | 880 | 46.0% | 8,439 |
| 2022 | 708 | 37.0% | 8,621 |
| 2023 | 1,082.1 | 56.5% | 8,961 |
| 2024 | 896.8 | 46.7% | 8,974 |
| 2025 | 576.9 | 24.6% | 8,928 |
Fuel capability
Gas-fired turbines (CT/GT/CA/CS) that can also burn liquid fuel. EIA-860 Schedule 3 for capability, EIA-923 for actual burn.
StatusLikely still dual fuel
Liquid fuel burned · 36 mo46,007 MMBtu
Last month with liquid burnJan 2025
Switch while operatingYes
Net summer MW on gas156
Net summer MW on oil156
Time gas → oilup to 1 h (EIA 1H)
Time oil → gasup to 1 h (EIA 1H)
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 |
|---|---|---|---|---|---|---|---|---|
| GEN1 | Natural Gas Fired Combined Cycle | CT | 97.3 | 77.8 | Oct 1991 | Operating | — | coming soon |
| GEN2 | Natural Gas Fired Combined Cycle | CT | 97.3 | 77.8 | Oct 1991 | Operating | — | coming soon |
| GEN3 | Natural Gas Fired Combined Cycle | CA | 112 | 112 | Oct 1991 | Operating | — | coming soon |
Owner / operator
Operator: Ocean State Power II. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Ocean State Power Co | 100.0% | 307 MW |
Nearby plants
Within 80 km.
| Ocean State Power | 254 MW | 0.1 km |
| BJ's Wholesale Club, Inc- Uxbridge | 1 MW | 5.6 km |
| Town of Uxbridge MA at Commerce Dr | 2 MW | 5.8 km |
| Douglas Pike Solar, LLC | 2 MW | 6 km |
| Taft BESS | — | 6.1 km |
| Palombo Solar, LLC CSG | 2 MW | 6.1 km |