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92 MW Hydro operating in Grant, WA — Avista Corporation
92 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1985
Operating Since
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Columbia Basin Hydropower | Columbia Basin Hydropower | — |
| Owner(s) | East Columbia Basin Irr Dist, Quincy-Columbia Basin Irr Dist, South Columbia Basin Irr Dist | Grand Coulee Project Hydroelectric Authority | — |
| Status | Operating | operating | — |
GEM identifies the owner as Grand Coulee Project Hydroelectric Authority
This entity is not yet in the GEM ownership database — chain unavailable.
Summer Falls Power Plant is a 92 MW hydroelectric facility located in Grant County, Washington. The plant began operating in 1985 and is owned and operated by Columbia Basin Hydropower. It consists of two generators utilizing conventional hydroelectric technology. The plant's primary fuel source is water (WAT).
In the most recent year of reported data, Summer Falls Power Plant generated 398,185 MWh of electricity, achieving a capacity factor of 48.9%. The plant operates within the Avista Corporation balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Summer Falls ranks as the 24th largest power plant in Washington out of 75, and 206th nationally 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
0 MWh
Latest Month
398.2K MWh
Annual Generation
48.9%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $211.1M
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 Summer Falls Power PlantAvista Corporation (AVA)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility