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57.9 MW Natural Gas Fired Combustion Turbine (7 MW) + Wood/Wood Waste Biomass (51 MW) operating in Stevens, WA
57.9 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combustion Turbine + Wood/Wood Waste Biomass
1983
Operating Since
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Avista Corp | Avista | — |
| Owner(s) | Avista Corp | Avista | — |
| Status | Operating | operating | — |
Kettle Falls Generating Station is a 57.9 MW hybrid power plant located in Stevens County, Washington. The plant, which began operating in 1983, utilizes both natural gas and wood/wood waste biomass as fuel sources. It consists of two generators employing natural gas-fired combustion turbine technology. The facility is owned and operated by Avista Corporation, which also serves as the balancing authority. Kettle Falls Generating Station operates within the Western Electricity Coordinating Council (WECC) NERC region.
The plant's latest annual generation was 329,779 MWh, resulting in a capacity factor of 64.9%. Kettle Falls Generating Station is ranked 15th out of 17 power plants in Washington state and 1073rd out of 1963 plants nationally.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Avista Corporation (AVA)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Historic generation and capacity factor for this asset — the foundation for forward forecasts on the InfraSure platform.
29.0K MWh
Latest Month
329.8K MWh
Annual Generation
64.9%
Capacity Factor
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CO₂ Intensity
111 lb/MWh
NOx
3 lb/MWh
SO₂
0.352 lb/MWh
CH₄
0.985 lb/MWh
N₂O
0.129 lb/MWh
Capacity Factor
66.1%
Annual Net Gen
335 GWh
CO₂eq
172 lb/MWh
Subregion
WECC Northwest
2013
$3,495/kW
Est. Construction Cost
Total estimated cost: $202.4M
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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.
Last updated 2026-03-26
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