Query
Boundary
Type
Entity Briefing
Entity
Boundary
Generated
2026-10-18T08:38:55.290Z

Briefing on Boundary

Entity Briefing
Generated Oct 18, 2026·Dataset freshness not reported
1.2 GW
Capacity
Operating
Current status
1967
Operating since
6
Generators
30.4%
Capacity factor
3099 GWh
Annual generation
Briefing/plantOperating

Boundary is a 1.2 GW Conventional Hydroelectric asset in Washington, currently Operating.

Boundary is reported in Washington since 1967 under City of Seattle - (WA). Available operating and financial measures include 30.4% capacity factor and 3099 GWh annual generation; $2294/kW reported CapEx.

Location
Pend Oreille, Washington
Technology
Conventional Hydroelectric
Owner / parent
City of Seattle - (WA)
Operator
City of Seattle - (WA)
Grid
Seattle City Light
Plant ID
6433

What stands out

1

Boundary is a 1.2 GW Conventional Hydroelectric asset in Washington with status Operating.

2

Latest annual operating measures report 30.4% capacity factor and 3099 GWh annual generation.

3

Available financial measures include $2294/kW CapEx.

4

Latest linked story: “Boundary Hydroelectric Project” (Seattle.gov, 2023-04-25).

Market and operating context

Balancing authority
Seattle City Light
NERC region
WECC
State rank
#5 of 73
National rank
#16 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.