Query
Summer Falls Power Plant
Type
Entity Briefing
Entity
Summer Falls Power Plant
Generated
2026-10-17T19:38:53.809Z

Briefing on Summer Falls Power Plant

Entity Briefing
Generated Oct 17, 2026·Dataset freshness not reported
92 MW
Capacity
Operating
Current status
1985
Operating since
2
Generators
48.9%
Capacity factor
398 GWh
Annual generation
Briefing/plantOperating

Summer Falls Power Plant is a 92 MW Conventional Hydroelectric asset in Washington, currently Operating.

Summer Falls Power Plant is reported in Washington since 1985 under Columbia Basin Hydropower. Available operating and financial measures include 48.9% capacity factor and 398 GWh annual generation; $2294/kW reported CapEx.

Location
Grant, Washington
Technology
Conventional Hydroelectric
Owner / parent
Columbia Basin Hydropower
Operator
Columbia Basin Hydropower
Grid
Avista Corporation
Plant ID
56695

What stands out

1

Summer Falls Power Plant is a 92 MW Conventional Hydroelectric asset in Washington with status Operating.

2

Latest annual operating measures report 48.9% capacity factor and 398 GWh annual generation.

3

Available financial measures include $2294/kW CapEx.

Market and operating context

Balancing authority
Avista Corporation
NERC region
WECC
State rank
#24 of 73
National rank
#204 of 1,462

Why it matters

For this asset, operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.