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10 MW Hydro operating in Spokane, WA — Avista Corporation
10 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1922
Operating Since
Coordinates
47.6623, -117.4227
County
Spokane, WA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Avista Corp | Avista | — |
| Owner(s) | Avista Corp | Avista | — |
| Status | Operating | — | — |
The Upper Falls hydroelectric plant is located in Spokane County, Washington. The plant, owned and operated by Avista Corp, has a total capacity of 10 MW from a single generator. It began operating in 1922, utilizing conventional hydroelectric technology and water as its primary fuel source. The plant's balancing authority is Avista Corporation, and it operates within the Western Electricity Coordinating Council (WECC) NERC region.
In the latest year of reported generation, Upper Falls produced 59,922 MWh of electricity, achieving a capacity factor of 68.3%. According to available data, the installed cost per kW was $1,602.35. Upper Falls is ranked as the 52nd largest power plant in Washington out of 75, and nationally it is ranked 660th out of 1464 plants.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
6.9K MWh
Latest Month
59.9K MWh
Annual Generation
68.3%
Capacity Factor
Run-of-river hydro · Avista Corporation · Data from 2015–2024
$2,262/kW
Installed Cost
$12.5/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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 Upper FallsAvista Corporation (AVA)
Grid Voltage
13.8 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility