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4.5 MW Wood Waste operating in Snohomish, WA — Bonneville Power Administration
4.5 MW
Nameplate Capacity
1
Generators
unit
Wood/Wood Waste Biomass
Technology
2007
Operating Since
Coordinates
48.2697, -121.6000
County
Snohomish, WA
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Hampton Lumber Mills - Washington Inc | — | — |
| Owner(s) | Hampton Lumber Mills - Washington Inc | — | — |
| Status | Operating | — | — |
The Darrington power plant is a 4.5 MW biomass facility located in Snohomish County, Washington. The plant began operating in 2007 and utilizes wood and wood waste as its primary fuel source. It consists of a single generator and is owned and operated by Hampton Lumber Mills - Washington Inc. The plant's output is managed within the Bonneville Power Administration balancing authority, which falls under the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, the Darrington plant generated 17,049 MWh of electricity, achieving a capacity factor of 43.1%. While a small facility, it contributes to the renewable energy mix in Washington state. Based on its total capacity, the Darrington plant ranks as the 4th largest biomass plant in Washington and 93rd nationally among facilities using similar technologies.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
1.5K MWh
Latest Month
17.0K MWh
Annual Generation
43.1%
Capacity Factor
CO₂ Intensity
0 lb/MWh
NOx
0.929 lb/MWh
SO₂
2013
$3,495/kW
Est. Construction Cost
Total estimated cost: $15.7M
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 DarringtonBonneville Power Administration (BPAT)
Grid Voltage
12.4 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
Industrial CHP
0.139 lb/MWh
CH₄
0.393 lb/MWh
N₂O
0.052 lb/MWh
Capacity Factor
40.5%
Annual Net Gen
16 GWh
CO₂eq
25 lb/MWh
Subregion
WECC Northwest