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Hells Canyon Dam - General Information

Hells Canyon Dam image
Image Source: USACE, Portland District

Dam: Hells Canyon Dam. Snake River. River Mile 247.0
Constructed: 1967
Owner: Idaho Power Company
Normal Full Pool: 1688 feet
Minimum Pool: 1678.5 feet
Powerhouse Capacity:
Nameplate capacity 1: 391.5 MW total
Plant capacity: 3 @ 150 MW, 450 MW total
Hydraulic capacity: 30 kcfs
Spillway2: 330 feet, 3 gates
1 Information provided by Power Plant Profile, Idaho Power Company.
2 Information provided by Idaho Power Company via email, Jan-8-1997.
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Monday, 25-Feb-2008 13:02:57 PST