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276.8 MW Natural Gas Fired Combined Cycle (207 MW) + Natural Gas Fired Combustion Turbine (19 MW) + Other Gases (51 MW) operating in Jefferson, TX — Midcontinent Independent Transmission System Operator, Inc..
276.8 MW
Nameplate Capacity
9
Generators
units
Hybrid (3)
Technology
Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine + Other Gases
1957
Operating Since
Coordinates
29.8885, -93.9510
County
Jefferson, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Motiva Enterprises LLC | Motiva Enterprises | — |
| Owner(s) | Motiva Enterprises LLC | Saudi Arabian Oil | — |
| Status | Operating | — | — |
The Motiva Enterprises Port Arthur Refinery is a 276.8 MW hybrid power plant located in Jefferson County, Texas. The plant, which began operating in 1957, is owned by Saudi Arabian Oil and operated by Motiva Enterprises LLC, a subsidiary of the Saudi Arabian national oil company. The facility utilizes a combination of natural gas-fired combined cycle and combustion turbine technologies, along with other gases, across its nine generators.
The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the SERC NERC region. In the most recent year of reported data, the facility generated 1,609,437 MWh, achieving a capacity factor of 66.4%. Ranked by capacity, the Motiva Enterprises Port Arthur Refinery is the 105th largest power plant in Texas out of 144, and the 672nd largest in the United States out of 945.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Industrial
Sector
Industrial CHP
147.7K MWh
Latest Month
1.6M MWh
Annual Generation
66.4%
Capacity Factor
CO₂ Intensity
957 lb/MWh
NOx
0.759 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.012 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
57.6%
Annual Net Gen
1396 GWh
CO₂eq
957 lb/MWh
Subregion
SERC Mississippi Valley
No financial data available for this plant.
This is a small open-data project — if you have sources or want more coverage here, drop a note.
Point of Interconnection
Nearest Substation
Texaco Substation · 69 kV
Substation Distance
0.216 km
Operator
Texaco
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
EES.MOTIVA_GEN
Pricing Hub
TEXAS.HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-03-26
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