West Point Treatment Plant
West Point Treatment Plant is a 5 MW biomass power plant in King County, Washington, operated by King County Dept-Natural Res - (WA). EIA-860M lists 2 generating units here. Its units entered service in 2012.
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
- 4.6 MW
- 4.6 MW net summer
- Generating units
- 2
- In service
- 2012
- EIA plant ID
- 50329
Where it is
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- County
- King County, Washington
- Coordinates
- 47.6611, -122.4464
- Balancing authority
- SCL
- Sector
- Commercial CHP
Units, technology and status
- Operator of record
- King County Dept-Natural Res - (WA)
- Primary energy source
- Biomass
- Technologies
- Other Waste Biomass
- Status
- Operating
Every plant King County Dept-Natural Res - (WA) reports to EIA →
West Point Treatment Plant: FAQ
- Where is West Point Treatment Plant?
- In King 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 West Point Treatment Plant?
- 5 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
- Who owns West Point Treatment Plant?
- EIA-860M names King County Dept-Natural Res - (WA) 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 West Point Treatment Plant LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — King County Dept-Natural Res - (WA) 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 "West Point Treatment Plant LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is West Point Treatment Plant still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.