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290.1 MW Natural Gas operating in Newport, RI
290.1 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combined Cycle
Technology
2000
Operating Since
Coordinates
41.6422, -71.1706
County
Newport, RI
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tiverton Power LLC | Tiverton Power | — |
| Owner(s) | Tiverton Power LLC | Carlyle Group | — |
| Status | Operating | — | — |
Tiverton Power Plant is a 290.1 MW natural gas-fired combined cycle power plant located in Newport County, Rhode Island. The plant began operating in 2000 and is owned by the Carlyle Group and operated by Tiverton Power LLC. It consists of two generators. Tiverton is the third-largest power plant in Rhode Island out of five total plants, and ranks 652nd nationally out of 945 plants.
The plant operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In the most recent year with available data, Tiverton Power Plant generated 1,663,114 MWh of electricity, achieving a capacity factor of 65.2%.
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
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
40.9K MWh
Latest Month
1.7M MWh
Annual Generation
65.2%
Capacity Factor
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CO₂ Intensity
840 lb/MWh
NOx
0.070 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.016 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
65.1%
Annual Net Gen
1653 GWh
CO₂eq
841 lb/MWh
Subregion
NPCC New England
2013
$965/kW
Est. Construction Cost
Total estimated cost: $280.0M
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Point of Interconnection
Nearest Substation
EMI Tiverton Substation · 115 kV
Substation Distance
< 10 km
Operator
Tiverton Power LLC
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
1226
Pricing Hub
.Z.RHODEISLAND
Node Source
EIA-860 direct report
Last updated 2026-03-26
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