Hancock Creek Hydroelectric Project

Hancock Creek Hydroelectric Project is a 6 MW hydroelectric power plant in King County, Washington, operated by PUD No 1 of Snohomish County - (WA). EIA-860M lists 1 generating unit here. Its unit entered service in 2018.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity
6 MW
7 MW net summer
Generating units
1
In service
2018
EIA plant ID
60517

Where it is

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County
King County, Washington
Coordinates
47.5722, -121.6897
Balancing authority
PSEI
Sector
Electric Utility

Units, technology and status

Operator of record
PUD No 1 of Snohomish County - (WA)
Primary energy source
Hydro
Technologies
Conventional Hydroelectric
Status
Operating

Every plant PUD No 1 of Snohomish County - (WA) reports to EIA →

Hancock Creek Hydroelectric Project: FAQ

Where is Hancock Creek Hydroelectric Project?
In King County, Washington (WA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Hancock Creek Hydroelectric Project?
6 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Hancock Creek Hydroelectric Project?
EIA-860M names PUD No 1 of Snohomish County - (WA) as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Hancock Creek Hydroelectric Project LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — PUD No 1 of Snohomish County - (WA) here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Hancock Creek Hydroelectric Project LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Hancock Creek Hydroelectric Project still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.