Where is Lost Hills Cogeneration Plant?

In Kern 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 Lost Hills Cogeneration Plant?

7 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.

Who owns Lost Hills Cogeneration Plant?

EIA-860M names AERA Energy 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 Lost Hills Cogeneration Plant LLC?

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

Is Lost Hills Cogeneration Plant still running?

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

Lost Hills Cogeneration Plant

Lost Hills Cogeneration Plant is a 7 MW natural gas power plant in Kern County, California, operated by AERA Energy LLC. EIA-860M lists 2 generating units here, inside CAISO. Its units entered service in 1985.

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: 7 MW; 5.4 MW net summer
Generating units: 2
In service: 1985
EIA plant ID: 52077

Where it is

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County: Kern County, California
Coordinates: 35.6661, -119.7669
Balancing authority: CISO
Sector: Industrial CHP

Units, technology and status

Operator of record: AERA Energy LLC
Primary energy source: Natural gas
Technologies: Natural Gas Fired Combustion Turbine
Status: Operating

Every plant AERA Energy LLC reports to EIA →

Lost Hills Cogeneration Plant: FAQ

Where is Lost Hills Cogeneration Plant?: In Kern 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 Lost Hills Cogeneration Plant?: 7 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Lost Hills Cogeneration Plant?: EIA-860M names AERA Energy 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 Lost Hills Cogeneration Plant LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — AERA Energy 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 "Lost Hills Cogeneration Plant LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Lost Hills Cogeneration Plant still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.