Where is Martinez Refining?

In Contra Costa County, California (CA). 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 Martinez Refining?

100 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.

Who owns Martinez Refining?

EIA-860M names Martinez Refining 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 Martinez Refining LLC?

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

Is Martinez Refining still running?

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

Martinez Refining

Martinez Refining is a 100 MW natural gas power plant in Contra Costa County, California, operated by Martinez Refining Co. EIA-860M lists 3 generating units here, inside CAISO. Its units entered service between 1995 and 1996.

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: 100 MW; 100 MW net summer
Generating units: 3
In service: 1995–1996
EIA plant ID: 54912

Where it is

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County: Contra Costa County, California
Coordinates: 38.0169, -122.1117
Balancing authority: CISO
Sector: Industrial CHP

Units, technology and status

Operator of record: Martinez Refining Co
Primary energy source: Natural gas
Technologies: Natural Gas Fired Combined Cycle, Other Gases
Status: Operating

This site runs on more than one energy source. EIA-860M capacity splits: Natural gas 80 MW, Other 20 MW. It is filed here under Natural gas, the source with the most capacity.

Every plant Martinez Refining Co reports to EIA →

Martinez Refining: FAQ

Where is Martinez Refining?: In Contra Costa County, California (CA). 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 Martinez Refining?: 100 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Martinez Refining?: EIA-860M names Martinez Refining 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 Martinez Refining LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Martinez Refining 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 "Martinez Refining LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Martinez Refining still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.