Humboldt Sawmill Company
Humboldt Sawmill Company is a 33 MW biomass power plant in Humboldt County, California, operated by Mendocino Forest Products. EIA-860M lists 3 generating units here, inside CAISO. Its units entered service between 1938 and 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
- 32.5 MW
- 33.5 MW net summer
- Generating units
- 3
- In service
- 1938–1988
- EIA plant ID
- 50049
Where it is
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- County
- Humboldt County, California
- Coordinates
- 40.4728, -124.1014
- Balancing authority
- CISO
- Sector
- Industrial CHP
Units, technology and status
- Operator of record
- Mendocino Forest Products
- Primary energy source
- Biomass
- Technologies
- Wood/Wood Waste Biomass
- Status
- Operating (2) · Out of service and NOT expected to return to service in next calendar year (1)
Humboldt Sawmill Company: FAQ
- Where is Humboldt Sawmill Company?
- 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 Humboldt Sawmill Company?
- 33 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
- Who owns Humboldt Sawmill Company?
- EIA-860M names Mendocino Forest Products as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is Humboldt Sawmill Company still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.