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4.6 MW Bio. Gas operating in King, WA — Seattle City Light
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
| 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
834 MWh
Latest Month
9.6K MWh
Annual Generation
23.7%
Capacity Factor
CO₂ Intensity
0 lb/MWh
NOx
26 lb/MWh
SO₂
2013
$3,495/kW
Est. Construction Cost
Total estimated cost: $16.1M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
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ask pi about West Point Treatment PlantSeattle City Light (SCL)
Grid Voltage
13.8 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Municipal
Sector
Commercial CHP
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