Arrowrock P-4656

General information

Waterway  Boise River
Current status   Active license 
Type of facility Conventional Hydro
Type of permit FERC License

FERC information

FERC docket # P-4656
FERC project name Arrowrock Dam
Permit issued 3/22/89
Permit expiration 2/24/39

Ownership and operation

Owner Big Bend Irrigation District
Owner type Publicly Owned Utility
Year first online (conventional hydro) 2010
Transmission or distribution system owner Idaho Power Co

Power and generating capacity

Number of units 2
Total capacity from hydraulic turbine-generator units within each plant 15.0 MW
Average annual net hydropower generation 72,270.3 MWH

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