Ocean State Power II — Plant Summary
- EIA Plant ID
- 54324
- Capacity
- 254.2 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Providence, RI
- Operating Since
- 1991
- Generators
- 3
- Operator
- Ocean State Power II
- Parent Company
- LS Power Development
- Annual Generation
- 896,830 MWh
- Capacity Factor
- 40.0%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
Ocean State Power II
OperatingNatural Gas
Ranked #5 of 8 Natural Gas plants in RI#691 of 2009 nationally
254.2 MW Natural Gas operating in Providence, RI — ISO New England Inc.
EIAWD
254.2 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
1991
Operating Since
Location
Coordinates
42.0099, -71.6701
County
Providence, RI
Nearby Plants
- Ocean State PowerNatural Gas254.2 MW · 0.1 km
- BJ's Wholesale Club, Inc- UxbridgeSolar1 MW · 5.6 km
- Town of Uxbridge MA at Commerce DrSolar1.8 MW · 5.8 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Ocean State Power II | Ocean State Power | — |
| Owner(s) | Ocean State Power Co | LS Power Development | — |
| Status | Operating | — | — |
Ownership Chain
About
Ocean State Power II is a 254.2 MW natural gas-fired combined cycle power plant located in Providence County, Rhode Island. The plant began operating in 1991 and is owned by LS Power Development. The operator listed with the EIA is Ocean State Power II. It consists of 3 generators using natural gas as its primary fuel source.
In the most recent year with available data, Ocean State Power II generated 896,830 MWh of electricity, achieving a capacity factor of 40.0%. The plant operates within the ISO New England Inc. balancing authority and the NPCC NERC region. It is ranked as the 4th largest power plant out of 5 in Rhode Island, and 693rd out of 945 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
66.3K MWh
Latest Month
896.8K MWh
Annual Generation
40.0%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
MEDIUM confidencePoint of Interconnection
Nearest Substation
Ocean State Substation · 345 kV
Substation Distance
< 10 km
Operator
LS Power Equity Partners LLC
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
—
Pricing Hub
.Z.RHODEISLAND
Node Source
Shared substation inference
Substation identified. Node ID not yet resolved against ISO roster.
UN.OCEAN_ST13.8OSP1Nearby ISO Node
Sherman Road SubstationSubstation
Nasonville SubstationSubstation
News & Articles (10)Beta
Hazards·ice storm
Powerful blizzard batters Rhode Island, causing power outages
The most severe winter storm to strike Rhode Island in decades continued to unleash its force Monday, covering the state with a thick...
Rhode Island (other)
Ocean State Media·3 weeks ago
General
Powerful blizzard batters Rhode Island, causing power outages
The most severe winter storm to strike Rhode Island in decades continued to unleash its force Monday, covering the state with a thick...
Ocean State Media·3 weeks ago
General
7 numbers that explain offshore wind's impact in New England
For more than a decade, Massachusetts and several other New England states have been banking on a large expansion of offshore wind.
WBUR·5 months ago
General
7 numbers that explain offshore wind's impact in New England
For more than a decade, Massachusetts and several other New England states have been banking on a large expansion of offshore wind.
WBUR·5 months ago
Last updated 2026-03-14
View all 10 articles