Query
Alder
Type
Entity Briefing
Entity
Alder
Generated
2026-10-17T19:43:59.447Z

Briefing on Alder

Entity Briefing
Generated Oct 17, 2026·Dataset freshness not reported
51 MW
Capacity
Operating
Current status
1945
Operating since
2
Generators
41.6%
Capacity factor
183 GWh
Annual generation
Briefing/plantOperating

Alder is a 51 MW Conventional Hydroelectric asset in Washington, currently Operating.

Alder is reported in Washington since 1945 under City of Tacoma - (WA). Available operating and financial measures include 41.6% capacity factor and 183 GWh annual generation; $2294/kW reported CapEx.

Location
Pierce, Washington
Technology
Conventional Hydroelectric
Owner / parent
City of Tacoma - (WA)
Operator
City of Tacoma - (WA)
Grid
City of Tacoma, Department of Public Utilities, Light Division
Plant ID
3913

What stands out

1

Alder is a 51 MW Conventional Hydroelectric asset in Washington with status Operating.

2

Latest annual operating measures report 41.6% capacity factor and 183 GWh annual generation.

3

Available financial measures include $2294/kW CapEx.

4

Latest linked story: “Tacoma City Light's Alder Dam on the Nisqually River generates electricity in September 1945.” (HistoryLink.org, 2003-01-25).

Market and operating context

Balancing authority
City of Tacoma, Department of Public Utilities, Light Division
NERC region
WECC
State rank
#32 of 73
National rank
#297 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.