Hells Canyon — Wallowa, OR — Operational Power Plant
EIA 860M DataOperational
Total Capacity
411.1 MW
Summer: 453.1 MW | Winter: 450 MW
Technology
Hydro
3 generators
First Unit Online
October 1, 1967
Hells Canyon is a hydro power plant in Wallowa County, OR with 3 generating units totaling 411.1 MW of nameplate capacity. It is operated by Idaho Power Co. Its first unit came online in 1967.
About this plant
Hells Canyon Dam is a concrete gravity dam in the western United States, on the Snake River in Hells Canyon along the Idaho-Oregon border. At river mile 247, the dam impounds Hells Canyon Reservoir; its spillway elevation is 1,680 feet (512 m) above sea level.
Source: Wikipedia
Capacity rank
- #59 in the U.S. by capacity
- #5 in OR by capacity
Looking for hydro projects still in development?
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Monthly generation history
Source: EIA Form 923
Generators (3)
Operational
3 generators
3 operational generators totaling 411.1 MW · online 1967
Plant Information
| Plant ID | 3013 |
| Plant Name | Hells Canyon |
| Operator | Idaho Power Co |
| Sector | Electric Utility |
| Balancing Authority | IPCO |
| Power Market | |
| County | Wallowa |
| State | |
| Status | Operational |
| Generation Type(s) | Hydro |
| Total Nameplate Capacity (MW) | 411.1 |
| Total Summer Capacity (MW) | 453.1 |
| Total Winter Capacity (MW) | 450 |
| Generating Units | 3 |
| Operational Units | 3 |
| Planned Units | 0 |
U.S. county map showing Wallowa, OR
Data source: U.S. Energy Information Administration EIA Form 860M
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