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Preliminary 2025 facility recordOperating

Boise, ID · EIA plant 56997

Arrowrock Hydroelectric Project

Arrowrock Hydroelectric Project is a hydro power facility in Boise, ID, with 15 MW of operating capacity.

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Operating capacity15 MW2 operating generators
Proposed capacity0 MW0 proposed generators
UtilityBoise-Kuna Irrigation DistrictEIA-reported operator
Balancing authorityIPCOIdaho Power Company

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro15 MW
ProposedNo proposed capacity reported
Reported technologiesConventional Hydroelectric

Nearby in ID

Related facilities

ID · 8.2 miLucky Peak Power Plant Project101 MW →ID · 9.4 miBoise R Diversion3 MW →ID · 10.2 miBarber Dam4 MW →ID · 11.9 miBoise Bench BESS150 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source