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254.2 MW Natural Gas operating in Providence, RI — ISO New England Inc.
254.2 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
1990
Operating Since
Coordinates
42.0097, -71.6689
County
Providence, RI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Ocean State Power Co | Ocean State Power | — |
| Owner(s) | Ocean State Power Co | LS Power Development | — |
| Status | Operating | — | — |
Ocean State Power is a 254.2 MW natural gas-fired combined cycle power plant located in Providence County, Rhode Island. The plant began operating in 1990 and is owned by LS Power Development. The operator listed with the EIA is Ocean State Power Co. The facility consists of three generators utilizing combined cycle technology. Ocean State Power is connected to the ISO New England Inc. balancing authority and is within the NPCC NERC region.
In the most recent year of data, Ocean State Power generated 1,182,727 MWh of electricity, achieving a capacity factor of 52.9%. The plant ranks 5th out of 5 power plants in Rhode Island by capacity, and 694th out of 945 plants nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
ISO-NE
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
66.0K MWh
Latest Month
1.2M MWh
Annual Generation
52.9%
Capacity Factor
CO₂ Intensity
971 lb/MWh
NOx
0.213 lb/MWh
SO₂
2013
$965/kW
Est. Construction Cost
Total estimated cost: $245.3M
Point 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
UN.OCEAN_ST13.8OSP1
Pricing Hub
.Z.RHODEISLAND
Location Type
NETWORK NODE
Node Source
EIA-860 direct report
Last updated 2026-03-26
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ask pi about Ocean State PowerISO New England Inc. (ISNE)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
0.005 lb/MWh
CH₄
0.019 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
59.4%
Annual Net Gen
1322 GWh
CO₂eq
972 lb/MWh
Subregion
NPCC New England