Idaho · Hydroelectric

Hydroelectric power plants in Idaho

There are 76 hydroelectric plants in Idaho in this directory, with a combined nameplate capacity of 2.70 GW. The largest is Brownlee at 675 MW.

76
Plants
2.70 GW
Combined capacity
35.5 MW
Average plant size
1973
Avg. commissioning year
PlantFuelOwnerCapacity
BrownleeHydroelectricIdaho Power Co675 MW
DworshakHydroelectricUSACE Northwestern Division465 MW
Cabinet GorgeHydroelectricAvista Corp265.2 MW
Palisades DamHydroelectricU S Bureau of Reclamation176.4 MW
Lucky Peak Power Plant ProjectHydroelectricBoise-Kuna Irrigation District101.2 MW
American FallsHydroelectricIdaho Power Co92.4 MW
C J StrikeHydroelectricIdaho Power Co82.8 MW
Bliss (ID)HydroelectricIdaho Power Co75 MW
Lower SalmonHydroelectricIdaho Power Co60 MW
Milner HydroHydroelectricIdaho Power Co59.5 MW
Twin Falls (ID)HydroelectricIdaho Power Co52.7 MW
Albeni FallsHydroelectricUSACE Northwestern Division42 MW
Anderson RanchHydroelectricU S Bureau of Reclamation40 MW
Smith Falls Hydro ProjectHydroelectricSmith Creek Hydro, LLC38.1 MW
GraceHydroelectricPacifiCorp33 MW
OneidaHydroelectricPacifiCorp30 MW
MinidokaHydroelectricU S Bureau of Reclamation27.7 MW
Swan FallsHydroelectricIdaho Power Co27.2 MW
Gem StateHydroelectricCity of Idaho Falls - (ID)23.4 MW
Upper Salmon AHydroelectricIdaho Power Co18 MW
Upper Salmon BHydroelectricIdaho Power Co16.5 MW
Arrowrock Hydroelectric ProjectHydroelectricBoise-Kuna Irrigation District15 MW
Shoshone FallsHydroelectricIdaho Power Co14.7 MW
SodaHydroelectricPacifiCorp14.6 MW
Post FallsHydroelectricAvista Corp14.5 MW
Lower MaladHydroelectricIdaho Power Co13.5 MW
Cascade Dam (ID)HydroelectricIdaho Power Co12.4 MW
Black CanyonHydroelectricU S Bureau of Reclamation10.2 MW
BypassHydroelectricNorth Side Energy Company9.9 MW
Horseshoe Bend Hydroelectric CoHydroelectricHorseshoe Bend Hydroelectric Co9.4 MW
Falls River HydroHydroelectricMarysville Hydro Partners9 MW
Magic Dam Hydroelectric ProjectHydroelectricWood Hydro, LLC9 MW
S E Hazelton AHydroelectricNorth Side Energy Company8.7 MW
Wilson Lake Hydroelectric ProjectHydroelectricHazelton/Wilson Joint Venture8.4 MW
Upper MaladHydroelectricIdaho Power Co8.3 MW
City Power PlantHydroelectricCity of Idaho Falls - (ID)8 MW
Lower No 1HydroelectricCity of Idaho Falls - (ID)8 MW
South Forks HydroHydroelectricSouth Forks Joint Venture8 MW
Upper Power PlantHydroelectricCity of Idaho Falls - (ID)8 MW
Hazelton B HydroHydroelectricHazelton/Wilson Joint Venture7.6 MW
FeltHydroelectricFall River Rural Elec Coop Inc7.4 MW
Thousand SpringsHydroelectricIdaho Power Co6.8 MW
AshtonHydroelectricPacifiCorp6.7 MW
Dietrich DropHydroelectricWood Hydro, LLC4.8 MW
Island ParkHydroelectricFall River Rural Elec Coop Inc4.8 MW
Barber DamHydroelectricBarber Pool Hydro LLC4.1 MW
Moyie SpringsHydroelectricCity of Bonners Ferry3.9 MW
Chester Diversion Hydroelectric ProjectHydroelectricFall River Rural Elec Coop Inc3.6 MW
Dry Creek ProjectHydroelectricDry Creek LLC3.6 MW
Boise R DiversionHydroelectricU S Bureau of Reclamation3.3 MW
Mink Creek HydroHydroelectricMink Creek Hydro Entity3.1 MW
Lower No 2HydroelectricCity of Idaho Falls - (ID)3 MW
Little Wood Hydro ProjectHydroelectricLittlewood Irrigation District2.8 MW
Low Line RapidsHydroelectricLower Lowline LLC2.8 MW
Birch Creek PowerHydroelectricBirch Power Co2.6 MW
El Dorado Hydro Elk CreekHydroelectricHydroland Omega LLC2.6 MW
Clear LakeHydroelectricIdaho Power Co2.5 MW
Lateral 10 VenturesHydroelectricLateral 10 Ventures2.4 MW
Crystal SpringsHydroelectricCrystal Springs Hydro Elec LP2.3 MW
MC6 Hydro FacilityHydroelectricMC6 Hydro Facility2.3 MW
Rock Creek IHydroelectricShorock Hydro Inc2.1 MW
Rock Creek IIHydroelectricHydroland Omega LLC1.9 MW
Last ChanceHydroelectricPacifiCorp1.7 MW
Mora Drop Hydroelectric ProjectHydroelectricBoise-Kuna Irrigation District1.7 MW
Marsh Valley DevelopmentHydroelectricMarsh Valley Development Inc1.6 MW
Little Mac ProjectHydroelectricLittle Mac Power Company1.5 MW
Mile 28 Water Power ProjectHydroelectricWood Hydro, LLC1.4 MW
Blind Canyon HydroHydroelectricBlind Canyon Aquaranch, Inc.1.3 MW
Koyle Ranch Hydroelectric ProjectHydroelectricKoyle Hydro Inc1.3 MW
North Gooding Main HydroHydroelectricNorth Gooding Main Hydro LLC1.3 MW
AJMS, LLCHydroelectricAJMS, LLC1.2 MW
Ford Hydro LPHydroelectricFord Hydro Ltd Partnership1.2 MW
Head of U Canal Hydro ProjectHydroelectricNorth Side Energy Company1.2 MW
Marco RanchHydroelectricMarco Power Inc1.2 MW
Fargo DropHydroelectricRiverside Investments LLC1.1 MW
GeoBon IIHydroelectricKoosh, Inc.1 MW