Three Forks Water Power Project

Three Forks Water Power Project is a 1 MW hydroelectric power plant in Trinity County, California, operated by Grizzly Mountain Ranch. EIA-860M lists 1 generating unit here, inside CAISO. Its unit entered service in 1984.

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
1.3 MW
1.2 MW net summer
Generating units
1
In service
1984
EIA plant ID
54308

Where it is

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County
Trinity County, California
Coordinates
40.1998, -123.5231
Balancing authority
CISO
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Grizzly Mountain Ranch
Primary energy source
Hydro
Technologies
Conventional Hydroelectric
Status
Operating

Every plant Grizzly Mountain Ranch reports to EIA →

Three Forks Water Power Project: FAQ

Where is Three Forks Water Power Project?
In Trinity 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 Three Forks Water Power Project?
1 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Three Forks Water Power Project?
EIA-860M names Grizzly Mountain Ranch 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 Three Forks Water Power Project LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Grizzly Mountain Ranch 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 "Three Forks Water Power Project LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Three Forks Water Power Project still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.