Where is Geothermal 2?

In Sonoma 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 Geothermal 2?

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

Who owns Geothermal 2?

EIA-860M names Northern California Power Agny 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 Geothermal 2 LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Northern California Power Agny 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 "Geothermal 2 LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Geothermal 2 still running?

EIA-860M files it as "Out of service and NOT expected to return to service in next calendar year" for 2026-07. Statuses change monthly, and this page follows the monthly release.

Geothermal 2

Geothermal 2 is a 110 MW geothermal power plant in Sonoma County, California, operated by Northern California Power Agny. EIA-860M lists 2 generating units here, inside CAISO. Its units entered service between 1985 and 1986.

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: 110 MW; 65 MW net summer
Generating units: 2
In service: 1985–1986
EIA plant ID: 7369

Where it is

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County: Sonoma County, California
Coordinates: 38.7492, -122.7117
Balancing authority: CISO
Sector: Electric Utility

Units, technology and status

Operator of record: Northern California Power Agny
Primary energy source: Geothermal
Technologies: Geothermal
Status: Out of service and NOT expected to return to service in next calendar year (1) · Operating (1)

Every plant Northern California Power Agny reports to EIA →

Geothermal 2: FAQ

Where is Geothermal 2?: In Sonoma 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 Geothermal 2?: 110 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Geothermal 2?: EIA-860M names Northern California Power Agny 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 Geothermal 2 LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Northern California Power Agny 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 "Geothermal 2 LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Geothermal 2 still running?: EIA-860M files it as "Out of service and NOT expected to return to service in next calendar year" for 2026-07. Statuses change monthly, and this page follows the monthly release.