Where is Motiva Enterprises Port Arthur Refinery?

In Jefferson County, Texas (TX). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.

How big is Motiva Enterprises Port Arthur Refinery?

277 MW of nameplate capacity across 9 units, as of the EIA-860M release for 2026-07.

Who owns Motiva Enterprises Port Arthur Refinery?

EIA-860M names Motiva Enterprises LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.

Is this the same as Motiva Enterprises Port Arthur Refinery LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Motiva Enterprises LLC here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Motiva Enterprises Port Arthur Refinery LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Motiva Enterprises Port Arthur Refinery still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

Motiva Enterprises Port Arthur Refinery

Motiva Enterprises Port Arthur Refinery is a 277 MW natural gas power plant in Jefferson County, Texas, operated by Motiva Enterprises LLC. EIA-860M lists 9 generating units here, inside MISO. Its units entered service between 1957 and 2011.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity: 276.8 MW; 239.4 MW net summer
Generating units: 9
In service: 1957–2011
EIA plant ID: 50973

Where it is

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County: Jefferson County, Texas
Coordinates: 29.8885, -93.951
Balancing authority: MISO
Sector: Industrial CHP

Units, technology and status

Operator of record: Motiva Enterprises LLC
Primary energy source: Natural gas
Technologies: Natural Gas Fired Combined Cycle, Natural Gas Fired Combustion Turbine, Other Gases
Status: Operating

This site runs on more than one energy source. EIA-860M capacity splits: Natural gas 226 MW, Other 51 MW. It is filed here under Natural gas, the source with the most capacity.

Every plant Motiva Enterprises LLC reports to EIA →

Motiva Enterprises Port Arthur Refinery: FAQ

Where is Motiva Enterprises Port Arthur Refinery?: In Jefferson County, Texas (TX). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Motiva Enterprises Port Arthur Refinery?: 277 MW of nameplate capacity across 9 units, as of the EIA-860M release for 2026-07.
Who owns Motiva Enterprises Port Arthur Refinery?: EIA-860M names Motiva Enterprises LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Motiva Enterprises Port Arthur Refinery LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Motiva Enterprises LLC here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Motiva Enterprises Port Arthur Refinery LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Motiva Enterprises Port Arthur Refinery still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.