Moccasin Low Head Hydro Project

Moccasin Low Head Hydro Project is a 3 MW hydroelectric power plant in Tuolumne County, California, operated by City & County of San Francisco - (CA). EIA-860M lists 1 generating unit here, inside CAISO. Its unit entered service in 1987.

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
2.9 MW
1.5 MW net summer
Generating units
1
In service
1987
EIA plant ID
751

Where it is

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County
Tuolumne County, California
Coordinates
37.8164, -120.312
Balancing authority
CISO
Sector
Electric Utility

Units, technology and status

Operator of record
City & County of San Francisco - (CA)
Primary energy source
Hydro
Technologies
Conventional Hydroelectric
Status
Operating

Every plant City & County of San Francisco - (CA) reports to EIA →

Moccasin Low Head Hydro Project: FAQ

Where is Moccasin Low Head Hydro Project?
In Tuolumne 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 Moccasin Low Head Hydro Project?
3 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Moccasin Low Head Hydro Project?
EIA-860M names City & County of San Francisco - (CA) 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 Moccasin Low Head Hydro Project LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — City & County of San Francisco - (CA) 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 "Moccasin Low Head Hydro Project LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Moccasin Low Head Hydro Project still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.