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4.6 MW Bio. Gas operating in King, WA
Plant location falls outside the published BA/NERC/RC polygon coverage (coastal or border edge case).
4.6 MW
Nameplate Capacity
2
Generators
units
Other Waste Biomass
Technology
2012
Operating Since
Coordinates
36.0702, -94.2318
County
King, WA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | King County Dept-Natural Res - (WA) | — | — |
| Owner(s) | King County Dept-Natural Res | — | — |
| Status | Operating | — | — |
The West Point Treatment Plant is a major wastewater treatment plant in Seattle, WA. It is located in Seattle's Magnolia neighborhood, within Discovery Park. It is located at the tip of West Point, near the West Point Lighthouse. Operated by King County Wastewater Treatment Division (WTD), the plant handles significant wastewater and stormwater flows from the City of Seattle and other nearby communities. In 2017, the plant suffered a catastrophic flood that disabled it for months.
Read more on WikipediaThe West Point Treatment Plant, located in King County, Washington, is a 4.6 MW electricity generation facility fueled by other waste biomass (OBG). The plant began operating in 2012 and is owned and operated by the King County Department of Natural Resources. It consists of two generators utilizing "Other Waste Biomass" technology.
In its latest reporting year, the West Point Treatment Plant generated 9,565 MWh of electricity, achieving a capacity factor of 23.7%. The plant operates within the Seattle City Light balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. According to available data, the West Point Treatment Plant is the largest of its kind in Washington state and ranks 20th nationally among 74 similar facilities.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Seattle City Light (SCL)
Grid Voltage
13.8 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Municipal
Sector
Commercial CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
834 MWh
Latest Month
9.6K MWh
Annual Generation
23.7%
Capacity Factor
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CO₂ Intensity
0 lb/MWh
NOx
26 lb/MWh
SO₂
0.038 lb/MWh
CH₄
0.014 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
17.9%
Annual Net Gen
7 GWh
CO₂eq
0.749 lb/MWh
Subregion
WECC Northwest
2013
$3,495/kW
Est. Construction Cost
Total estimated cost: $16.1M
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This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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