15 MW Wood Liquids out of service in Grays Harbor, WA — Bonneville Power Administration
15 MW
Nameplate Capacity
2
Generators
units
Wood/Wood Waste Biomass
Technology
1957
Operating Since
Coordinates
46.9541, -123.7611
County
Grays Harbor, WA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Cosmo Specialty Fibers | — | — |
| Owner(s) | Cosmo Specialty Fibers | — | — |
| Status | Out of service | — | — |
The Cosmo Specialty Fibers Plant is a 15 MW biomass-fueled power plant located in Grays Harbor County, Washington. The plant, which began operating in 1957, utilizes wood and wood waste biomass as its primary fuel source. It consists of two generators and is operated by Cosmo Specialty Fibers. The plant is within the Bonneville Power Administration balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
The Cosmo Specialty Fibers Plant is ranked as the largest of its kind in Washington state and second nationally among plants using similar technologies. The plant's operations have been the subject of 10 news articles, split evenly between industry and regulatory topics.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
Bonneville Power Administration
Grid Voltage
69 kV
Regulatory Status
NR
Entity Type
Industrial
Sector
Industrial CHP
0 MWh
Latest Month
0 MWh
Annual Generation
0.0%
Capacity Factor
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Defunct mill owner says WA emission allowances are ‘persecution’
The owner of a defunct and heavily contaminated pulp mill in Southwest Washington is digging in his heels while the bills keep piling up.
How polluted is Cosmopolis’ defunct pulp mill? We don’t know, WA says
COSMOPOLIS, Grays Harbor County — Washington's Department of Ecology is escalating its cleanup strategy for a once-prosperous pulp mill...
Dormant Grays Harbor pulp mill fined $2.3 million for multiple environmental violations
The Washington State Department of Ecology announced on Tuesday that it is fining a Cosmopolis pulp mill owner a total of $2.3 million for...
WA fines defunct pulp mill $2.3 million for violations, inaction
At the same time, the city in which the mill was once the largest employer, has struggled to find a way to turn its finances around and...
Last updated 2026-03-26
View all 10 articles