← Back to map

Ocean State Power

Providence County, Rhode Island · EIA plant ID 51030 · Operator: Ocean State Power Co
Natural gasNatural Gas Fired Combined Cycle⛽ Dual-fuelISONEBA: ISNE
Nameplate254MWSummer 232 MW
Generators3in service
Net generation1,012GWh12 mo to Dec 2025
Capacity factor50%gas/coal/oil units, summer MW
Heat rate8,704Btu/kWhfossil units, electric fuel, HHV
First online1990Runs as baseload

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
050100150GWh2001200320052007200920112013201520172019202120232025

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.
0%20%40%60%2005201020152020202549.8% · 12 mo

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
7,5008,0008,5009,000200520102015202020258,704 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20011,508.1——
20021,224.8——
2003812.242.4%8,746
2004674.335.1%8,671
2005296.315.5%8,817
2006522.827.3%8,713
2007692.836.2%8,722
2008574.729.9%8,483
2009509.926.6%8,465
2010755.539.5%8,304
2011710.937.1%8,364
2012868.645.2%8,096
2013700.936.6%8,246
201459431.0%8,701
2015702.836.7%8,778
2016487.725.4%9,209
2017513.426.8%8,251
2018679.135.5%8,152
2019639.433.4%8,713
2020663.234.5%7,788
20211,046.554.6%8,338
202276540.0%8,858
20231,322.369.0%8,742
20241,182.761.6%8,856
20251,01249.8%8,704

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 mo84,285 MMBtu
Last month with liquid burnDec 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 IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
GEN1Natural Gas Fired Combined CycleCT82.877.8Dec 1990Operating—coming soon
GEN2Natural Gas Fired Combined CycleCT82.877.8Dec 1990Operating—coming soon
GEN3Natural Gas Fired Combined CycleCA88.676.2Dec 1990Operating—coming soon

Owner / operator

Operator: Ocean State Power Co. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Ocean State Power Co100.0%254 MW

Nearby plants

Within 80 km.
Ocean State Power II307 MW0.1 km
BJ's Wholesale Club, Inc- Uxbridge1 MW5.5 km
Town of Uxbridge MA at Commerce Dr2 MW5.7 km
Douglas Pike Solar, LLC2 MW5.9 km
Taft BESS—6 km
Palombo Solar, LLC CSG2 MW6 km