Query
Twin Reservoirs
Type
Entity Briefing
Entity
Twin Reservoirs
Generated
2026-10-17T20:39:49.543Z

Briefing on Twin Reservoirs

Entity Briefing
Generated Oct 17, 2026·Dataset freshness not reported
2 MW
Capacity
Operating
Current status
1988
Operating since
1
Generators
37.8%
Capacity factor
7 GWh
Annual generation
Briefing/plantOperating

Twin Reservoirs is a 2 MW Conventional Hydroelectric asset in Washington, currently Operating.

Twin Reservoirs is reported in Washington since 1988 under City of Walla Walla - (WA). Available operating and financial measures include 37.8% capacity factor and 7 GWh annual generation; $2294/kW reported CapEx.

Location
Walla Walla, Washington
Technology
Conventional Hydroelectric
Owner / parent
City of Walla Walla - (WA)
Operator
City of Walla Walla - (WA)
Grid
Bonneville Power Administration
Plant ID
50382

What stands out

1

Twin Reservoirs is a 2 MW Conventional Hydroelectric asset in Washington with status Operating.

2

Latest annual operating measures report 37.8% capacity factor and 7 GWh annual generation.

3

Available financial measures include $2294/kW CapEx.

Market and operating context

Balancing authority
Bonneville Power Administration
NERC region
WECC
State rank
#63 of 73
National rank
#1192 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.