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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
1991
Operating Since
Coordinates
42.0099, -71.6701
County
Providence, RI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Ocean State Power II | Ocean State Power | — |
| Owner(s) | Ocean State Power Co | LS Power Development | — |
| Status | Operating | — | — |
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
ISO/RTO
ISO-NE
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
ISO New England Inc. (ISNE)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
66.3K MWh
Latest Month
896.8K MWh
Annual Generation
40.0%
Capacity Factor
CO₂ Intensity
996 lb/MWh
NOx
0.235 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.020 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
48.6%
Annual Net Gen
1082 GWh
CO₂eq
997 lb/MWh
Subregion
NPCC New England
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
—
Pricing Hub
.Z.RHODEISLAND
Node Source
Shared substation inference
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-14
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