Query
Diablo
Type
Entity Briefing
Entity
Diablo
Generated
2026-10-17T16:05:54.043Z

Briefing on Diablo

Entity Briefing
Generated Oct 17, 2026·Dataset freshness not reported
182 MW
Capacity
Operating
Current status
1936
Operating since
4
Generators
22.6%
Capacity factor
362 GWh
Annual generation
Briefing/plantOperating

Diablo is a 182 MW Conventional Hydroelectric asset in Washington, currently Operating.

Diablo is reported in Washington since 1936 under City of Seattle - (WA). Available operating and financial measures include 22.6% capacity factor and 362 GWh annual generation; $2294/kW reported CapEx.

Location
Whatcom, Washington
Technology
Conventional Hydroelectric
Owner / parent
City of Seattle - (WA)
Operator
City of Seattle - (WA)
Grid
Seattle City Light
Plant ID
6432

What stands out

1

Diablo is a 182 MW Conventional Hydroelectric asset in Washington with status Operating.

2

Latest annual operating measures report 22.6% capacity factor and 362 GWh annual generation.

3

Available financial measures include $2294/kW CapEx.

Market and operating context

Balancing authority
Seattle City Light
NERC region
WECC
State rank
#17 of 73
National rank
#101 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.