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Preliminary 2025 facility recordOperating

Coulee City, WA · EIA plant 56695

Summer Falls Power Plant

Summer Falls Power Plant is a hydro power facility in Coulee City, WA, with 92 MW of operating capacity.

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Operating capacity92 MW2 operating generators
Proposed capacity0 MW0 proposed generators
UtilityColumbia Basin HydropowerEIA-reported operator
Balancing authorityAVAAvista Corporation

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro92 MW
ProposedNo proposed capacity reported
Reported technologiesConventional Hydroelectric

Nearby in WA

Related facilities

WA · 7.9 miMain Canal Headworks27 MW →WA · 24.7 miSR Quincy Valley130 MW →WA · 34.7 miGrand Coulee6,809 MW →WA · 37.7 miChief Joseph2,456 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source