Where is Foster Clean Power B?

In Humboldt 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 Foster Clean Power B?

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

Who owns Foster Clean Power B?

EIA-860M names Foster Clean Power B 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 Foster Clean Power B LLC?

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

Is Foster Clean Power B still running?

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

Foster Clean Power B

Foster Clean Power B is a 5 MW solar farm in Humboldt County, California, operated by Foster Clean Power B LLC. EIA-860M lists 2 generating units here, inside CAISO. Its units entered service in 2025.

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: 5.2 MW; 5.2 MW net summer
Generating units: 2
In service: 2025
EIA plant ID: 67859

Where it is

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County: Humboldt County, California
Coordinates: 40.8823, -124.1012
Balancing authority: CISO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Foster Clean Power B LLC
Primary energy source: Solar
Technologies: Batteries, Solar Photovoltaic
Status: Operating

This site runs on more than one energy source. EIA-860M capacity splits: Solar 4 MW, Battery 1 MW. It is filed here under Solar, the source with the most capacity.

Every plant Foster Clean Power B LLC reports to EIA →

Foster Clean Power B: FAQ

Where is Foster Clean Power B?: In Humboldt 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 Foster Clean Power B?: 5 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Foster Clean Power B?: EIA-860M names Foster Clean Power B 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 Foster Clean Power B LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Foster Clean Power B 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 "Foster Clean Power B LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Foster Clean Power B still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.