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411.1 MW Hydro operating in Wallowa, OR — Idaho Power Company
411.1 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1967
Operating Since
Coordinates
45.2439, -116.7008
County
Wallowa, OR
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Idaho Power Co | Idaho Power | — |
| Owner(s) | Idaho Power Co | IDACORP | — |
| Status | Operating | operating | — |
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.
Read more on WikipediaHells Canyon is a 411.1 MW hydroelectric power plant located in Wallowa County, Oregon. The plant began operating in 1967 and utilizes conventional hydroelectric technology. It is owned by IDACORP and operated by Idaho Power Co. The plant has three generators and uses water (WAT) as its primary fuel source. Hells Canyon ranks as the 5th largest of 11 hydroelectric plants in Oregon, and 59th out of 194 nationally.
The plant operates within the Idaho Power Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In the latest year of reported generation data, Hells Canyon produced 1,925,510 MWh of electricity, achieving a capacity factor of 53.4%. Financial data indicates an installed cost of $224.37 per kW.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
116.9K MWh
Latest Month
1.9M MWh
Annual Generation
53.4%
Capacity Factor
Energy storage · Idaho Power Company · Data from 2015–2024
$315/kW
Installed Cost
$1.9/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
LMP Node
HCPR_2_TOT_GEN-APND
Pricing Hub
—
Last updated 2026-03-26
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ask pi about Hells CanyonIdaho Power Company (IPCO)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility