Threemile Canyon

Threemile Canyon is a 10 MW wind farm in Morrow County, Oregon, operated by Threemile Canyon Wind I, LLC. EIA-860M lists 1 generating unit here. Its unit entered service in 2009.

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
9.9 MW
9.9 MW net summer
Generating units
1
In service
2009
EIA plant ID
56933

Where it is

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County
Morrow County, Oregon
Coordinates
45.6758, -119.9375
Balancing authority
PACW
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Threemile Canyon Wind I, LLC
Primary energy source
Wind
Technologies
Onshore Wind Turbine
Status
Operating

Every plant Threemile Canyon Wind I, LLC reports to EIA →

Threemile Canyon: FAQ

Where is Threemile Canyon?
In Morrow County, Oregon (OR). 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 Threemile Canyon?
10 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Threemile Canyon?
EIA-860M names Threemile Canyon Wind I, LLC 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 Threemile Canyon LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Threemile Canyon Wind I, LLC 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 "Threemile Canyon LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Threemile Canyon still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.