Hells Canyon

Hells Canyon is a 411 MW operating hydroelectric plant in Wallowa County, Oregon, operated by Idaho Power Co.

Plant statusOperating

Planning (completed)
Consented (completed)
Construction (completed)
OperatingOct 1967 (current stage)
Closed (not yet reached)

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Generators

Each generating unit EIA lists at this plant.

Unit	Technology	Capacity	Status	Online
3	Conventional Hydroelectric	150 MW	Operating	Oct 1967
1	Conventional Hydroelectric	131 MW	Operating	Dec 1967
2	Conventional Hydroelectric	131 MW	Operating	Dec 1967

Plant details

Operator: Idaho Power Co
Location: Wallowa County, Oregon
Balancing authority: IPCO
Sector: Electric Utility
Capacity: Operating: 411 MW
First unit online: Oct 1967
EIA plant ID: 3013

Location

45.2439, -116.7008

Nearby power plants

Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem