Where is Lost Hills/Blackwell?

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/Blackwell?

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

Who owns Lost Hills/Blackwell?

EIA-860M names Southern Power 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 Lost Hills/Blackwell LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Southern Power 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 "Lost Hills/Blackwell 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/Blackwell still running?

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

Lost Hills/Blackwell

Lost Hills/Blackwell is a 32 MW solar farm in Kern County, California, operated by Southern Power Co. EIA-860M lists 2 generating units here, inside CAISO. Its units entered service in 2015.

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: 32 MW; 32 MW net summer
Generating units: 2
In service: 2015
EIA plant ID: 58711

Where it is

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County: Kern County, California
Coordinates: 35.62, -119.85
Balancing authority: CISO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Southern Power Co
Primary energy source: Solar
Technologies: Solar Photovoltaic
Status: Operating

Every plant Southern Power Co reports to EIA →

Lost Hills/Blackwell: FAQ

Where is Lost Hills/Blackwell?: 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/Blackwell?: 32 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Lost Hills/Blackwell?: EIA-860M names Southern Power 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 Lost Hills/Blackwell LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Southern Power 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 "Lost Hills/Blackwell 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/Blackwell still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.