Muck Valley Hydroelectric

Muck Valley Hydroelectric is a 30 MW hydroelectric power plant in Lassen County, California, operated by Malacha Hydro Limited Partnership. EIA-860M lists 1 generating unit here, inside CAISO. Its unit entered service in 1988.

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
29.9 MW
29.9 MW net summer
Generating units
1
In service
1988
EIA plant ID
10458

Where it is

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County
Lassen County, California
Coordinates
40.9764, -121.2558
Balancing authority
CISO
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Malacha Hydro Limited Partnership
Primary energy source
Hydro
Technologies
Conventional Hydroelectric
Status
Operating

Every plant Malacha Hydro Limited Partnership reports to EIA →

Muck Valley Hydroelectric: FAQ

Where is Muck Valley Hydroelectric?
In Lassen 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 Muck Valley Hydroelectric?
30 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Muck Valley Hydroelectric?
EIA-860M names Malacha Hydro Limited Partnership 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 Muck Valley Hydroelectric LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Malacha Hydro Limited Partnership 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 "Muck Valley Hydroelectric LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Muck Valley Hydroelectric still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.