Where is ExxonMobil Baytown Refinery?

In Harris 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 ExxonMobil Baytown Refinery?

209 MW of nameplate capacity across 7 units, as of the EIA-860M release for 2026-07.

Who owns ExxonMobil Baytown Refinery?

EIA-860M names Exxon Mobil Refining and Supply Co. 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 ExxonMobil Baytown Refinery LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Exxon Mobil Refining and Supply Co. 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 "ExxonMobil Baytown Refinery LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is ExxonMobil Baytown Refinery still running?

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

ExxonMobil Baytown Refinery

ExxonMobil Baytown Refinery is a 209 MW natural gas power plant in Harris County, Texas, operated by Exxon Mobil Refining and Supply Co.. EIA-860M lists 7 generating units here, inside ERCOT. Its units entered service between 1952 and 1989.

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: 209.3 MW; 141.5 MW net summer
Generating units: 7
In service: 1952–1989
EIA plant ID: 10436

Where it is

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County: Harris County, Texas
Coordinates: 29.7535, -94.9973
Balancing authority: ERCO
Sector: Industrial CHP

Units, technology and status

Operator of record: Exxon Mobil Refining and Supply Co.
Primary energy source: Natural gas
Technologies: All Other, Natural Gas Fired Combustion Turbine
Status: Operating

This site runs on more than one energy source. EIA-860M capacity splits: Natural gas 202 MW, Other 8 MW. It is filed here under Natural gas, the source with the most capacity.

Every plant Exxon Mobil Refining and Supply Co. reports to EIA →

ExxonMobil Baytown Refinery: FAQ

Where is ExxonMobil Baytown Refinery?: In Harris 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 ExxonMobil Baytown Refinery?: 209 MW of nameplate capacity across 7 units, as of the EIA-860M release for 2026-07.
Who owns ExxonMobil Baytown Refinery?: EIA-860M names Exxon Mobil Refining and Supply Co. 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 ExxonMobil Baytown Refinery LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Exxon Mobil Refining and Supply Co. 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 "ExxonMobil Baytown Refinery LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is ExxonMobil Baytown Refinery still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.