Cosmo Specialty Fibers Plant
Cosmo Specialty Fibers Plant is a 15 MW biomass power plant in Grays Harbor County, Washington, operated by Cosmo Specialty Fibers. EIA-860M lists 2 generating units here. Its units entered service in 1957.
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
- 15 MW
- 17 MW net summer
- Generating units
- 2
- In service
- 1957
- EIA plant ID
- 50185
Where it is
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- County
- Grays Harbor County, Washington
- Coordinates
- 46.9541, -123.7611
- Balancing authority
- BPAT
- Sector
- Industrial CHP
Units, technology and status
- Operator of record
- Cosmo Specialty Fibers
- Primary energy source
- Biomass
- Technologies
- Wood/Wood Waste Biomass
- Status
- Out of service but expected to return to service in next calendar year
Cosmo Specialty Fibers Plant: FAQ
- Where is Cosmo Specialty Fibers Plant?
- In Grays Harbor County, Washington (WA). 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 Cosmo Specialty Fibers Plant?
- 15 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
- Who owns Cosmo Specialty Fibers Plant?
- EIA-860M names Cosmo Specialty Fibers 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 Cosmo Specialty Fibers Plant LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Cosmo Specialty Fibers 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 "Cosmo Specialty Fibers Plant LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Cosmo Specialty Fibers Plant still running?
- EIA-860M files it as "Out of service but expected to return to service in next calendar year" for 2026-07. Statuses change monthly, and this page follows the monthly release.