Cosmo Specialty Fibers Plant
Grays Harbor County, Washington · EIA plant ID 50185 · Operator: Cosmo Specialty Fibers
Nameplate15MWSummer 17 MW
Generators2in service
Net generation—GWh12 mo
Capacity factor—no 923 generation in the last 12 months
Heat rate—Btu/kWhfossil units, electric fuel, HHV
First online1957
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), primary-fuel units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 106 | 71.8% | 9,688 |
| 2002 | 114.6 | 69.0% | 11,112 |
| 2003 | 121.1 | 74.0% | 9,889 |
| 2004 | 125.5 | 75.8% | 12,210 |
| 2005 | 129.3 | 78.6% | 11,844 |
| 2006 | 81.3 | 53.7% | 12,210 |
| 2011 | 68.1 | 39.4% | 11,373 |
| 2012 | 111.3 | 70.8% | 11,373 |
| 2013 | 112 | 72.6% | 11,373 |
| 2014 | 108.9 | 69.5% | 11,373 |
| 2015 | 113.7 | 73.7% | 11,373 |
| 2016 | 119.6 | 76.9% | 4,549 |
| 2017 | 116 | 74.4% | 4,575 |
| 2018 | 114.6 | 74.0% | 4,549 |
| 2019 | 121.5 | 77.4% | 4,549 |
| 2020 | 41 | 25.3% | 4,549 |
| 2021 | 90.2 | 52.7% | 4,549 |
| 2022 | 99.6 | 58.4% | 4,549 |
| 2023 | 0 | 0.0% | — |
| 2024 | 0 | 0.0% | — |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| TG1 | Wood/Wood Waste Biomass | ST | 7.5 | 8.5 | Jan 1957 | Operating (Out of service, expected back within the year) | — | coming soon |
| TG2 | Wood/Wood Waste Biomass | ST | 7.5 | 8.5 | Jan 1957 | Operating (Out of service, expected back within the year) | — | coming soon |
Owner / operator
Operator: Cosmo Specialty Fibers. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Cosmo Specialty Fibers | 100.0% | 15 MW |
Nearby plants
Within 80 km.
| Sierra Pacific Aberdeen | 18 MW | 2.3 km |
| Grays Harbor Energy Facility | 715 MW | 21.4 km |
| Coastal Energy Project | 6 MW | 29.2 km |
| Wynoochee | 13 MW | 49.4 km |
| Cushman 2 | 85 MW | 64.8 km |
| Cushman 1 | 50 MW | 65.6 km |