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26 MW Muni. Waste operating in Spokane, WA — Avista Corporation
26 MW
Nameplate Capacity
1
Generators
unit
Municipal Solid Waste
Technology
1991
Operating Since
Coordinates
47.6263, -117.5042
County
Spokane, WA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of Spokane - (WA) | City of Spokane (Washington) | — |
| Owner(s) | City of Spokane | City of Spokane (Washington) | — |
| Status | Operating | operating | — |
The Spokane Waste to Energy plant is a 26 MW waste-to-energy facility located in Spokane County, Washington. It began operating in 1991 and is owned and operated by the City of Spokane. The plant utilizes municipal solid waste (MSW) as its primary fuel source and has a single generator. It is the only waste-to-energy plant in Washington state, and ranks 33rd out of 56 similar plants nationally.
In the most recent year with available data, the Spokane Waste to Energy plant generated 134,535 MWh of electricity, achieving a capacity factor of 59.1%. The plant operates within the Western Electricity Coordinating Council (WECC) NERC region, and its balancing authority is Avista Corporation.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
12.5K MWh
Latest Month
134.5K MWh
Annual Generation
59.1%
Capacity Factor
CO₂ Intensity
2193 lb/MWh
NOx
5 lb/MWh
SO₂
2013
$3,495/kW
Est. Construction Cost
Total estimated cost: $90.9M
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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ask pi about Spokane Waste to EnergyAvista Corporation (AVA)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Municipal
Sector
IPP Non-CHP
3 lb/MWh
CH₄
1 lb/MWh
N₂O
0.185 lb/MWh
Capacity Factor
54.7%
Annual Net Gen
125 GWh
CO₂eq
2282 lb/MWh
Subregion
WECC Northwest