Prices here are state averages across all utilities and rate plans, from the U.S. Energy Information Administration — not the rate on any one bill. Generation-mix figures are reported annually, not real time.

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Power Plants in Idaho

152 operating plants, ranked by nameplate capacity.

BrownleeIdaho Power Co · Conventional Hydroelectric · 5 generators675 MW DworshakUSACE Northwestern Division · Conventional Hydroelectric · 3 generators465 MW Langley Gulch Power PlantIdaho Power Co · Natural Gas Fired Combined Cycle · 2 generators318.5 MW Rathdrum Power LLCRathdrum Power LLC · Natural Gas Fired Combined Cycle · 2 generators301.5 MW Cabinet GorgeAvista Corp · Conventional Hydroelectric · 4 generators265.2 MW Evander Andrews Power ComplexIdaho Power Co · Natural Gas Fired Combustion Turbine · 2 generators225 MW Matrix Pleasant ValleyPleasant Valley Solar, LLC · Solar Photovoltaic · 1 generator200 MW Palisades DamU S Bureau of Reclamation · Conventional Hydroelectric · 4 generators176.4 MW Bennett MountainIdaho Power Co · Natural Gas Fired Combustion Turbine · 1 generator172.8 MW RathdrumAvista Corp · Natural Gas Fired Combustion Turbine · 2 generators166.4 MW Hemmingway BESSIdaho Power Co · Batteries · 3 generators166 MW Cedar Creek Wind, LLCCedar Creek Wind, LLC · Onshore Wind Turbine · 1 generator160 MW Kuna BESSKuna BESS, LLC · Batteries · 1 generator150 MW Boise Bench BESSIdaho Power Co · Batteries · 1 generator150 MW Pleasant Valley Solar 2 ProjectPVS 2, LLC · Solar Photovoltaic · 1 generator125 MW Goshen Phase IIAE Power Services LLC · Onshore Wind Turbine · 1 generator124.5 MW Jackpot Solar, LLCDuke Energy Renewables Services · Solar Photovoltaic · 1 generator120 MW Meadow Creek Project CompanyRidgeline Energy LLC · Onshore Wind Turbine · 1 generator119.7 MW Lucky Peak Power Plant ProjectBoise-Kuna Irrigation District · Conventional Hydroelectric · 3 generators101.2 MW Franklin Solar HybridFranklin Solar Idaho · Solar Photovoltaic · 1 generator100 MW Clearwater Paper IPP LewistonClearwater Paper Corporation · Wood/Wood Waste Biomass · 2 generators93.8 MW C J StrikeIdaho Power Co · Conventional Hydroelectric · 3 generators82.8 MW Happy Valley Battery StorageIdaho Power Co · Batteries · 1 generator82 MW Grand View Solar TwoGrand View PV Solar Two, LLC · Solar Photovoltaic · 2 generators80 MW Rockland Wind FarmRidgeline Energy LLC · Onshore Wind Turbine · 1 generator79.2 MW Bliss (ID)Idaho Power Co · Conventional Hydroelectric · 3 generators75 MW Wolverine CreekInvenergy Services LLC · Onshore Wind Turbine · 1 generator64.5 MW Lower SalmonIdaho Power Co · Conventional Hydroelectric · 4 generators60 MW Franklin Battery StorageIdaho Power Co · Batteries · 1 generator60 MW Milner HydroIdaho Power Co · Conventional Hydroelectric · 3 generators59.5 MW Horse Butte Wind I, LLCUtah Associated Mun Power Sys · Onshore Wind Turbine · 1 generator57.6 MW Twin Falls (ID)Idaho Power Co · Conventional Hydroelectric · 2 generators52.7 MW Albeni FallsUSACE Northwestern Division · Conventional Hydroelectric · 3 generators42 MW ID SolarAES Distributed Energy · Solar Photovoltaic · 1 generator40 MW Black Mesa BESSIdaho Power Co · Batteries · 1 generator40 MW Anderson RanchU S Bureau of Reclamation · Conventional Hydroelectric · 2 generators40 MW Black Mesa Solar, LLCBlack Mesa Solar, LLC · Solar Photovoltaic · 1 generator40 MW High MesaHigh Mesa Energy, LLC · Onshore Wind Turbine · 1 generator40 MW Smith Falls Hydro ProjectSmith Creek Hydro, LLC · Conventional Hydroelectric · 3 generators38.1 MW GracePacifiCorp · Conventional Hydroelectric · 3 generators33 MW OneidaPacifiCorp · Conventional Hydroelectric · 3 generators30 MW MinidokaU S Bureau of Reclamation · Conventional Hydroelectric · 4 generators27.7 MW Swan FallsIdaho Power Co · Conventional Hydroelectric · 2 generators27.2 MW Gem StateCity of Idaho Falls - (ID) · Conventional Hydroelectric · 1 generator23.4 MW Two Ponds WindfarmMountain Air Projects, LLC · Onshore Wind Turbine · 1 generator23 MW Cold Springs WindfarmMountain Air Projects, LLC · Onshore Wind Turbine · 1 generator23 MW Mainline WindfarmMountain Air Projects, LLC · Onshore Wind Turbine · 1 generator23 MW Ryegrass WindfarmMountain Air Projects, LLC · Onshore Wind Turbine · 1 generator23 MW Desert Meadow WindfarmMountain Air Projects, LLC · Onshore Wind Turbine · 1 generator23 MW Hammett Hill WindfarmMountain Air Projects, LLC · Onshore Wind Turbine · 1 generator23 MW Power County Wind Park NorthPower County Wind Park North LLC · Onshore Wind Turbine · 1 generator22.5 MW Camp ReedIdaho Wind Partners 1 LLC · Onshore Wind Turbine · 1 generator22.5 MW Power County Wind Park SouthPower County Wind Park South LLC · Onshore Wind Turbine · 1 generator22.5 MW Sawtooth Wind ProjectIdaho Winds LLC · Onshore Wind Turbine · 1 generator22.4 MW Burley Butte WindparkIdaho Wind Partners 1 LLC · Onshore Wind Turbine · 1 generator21.3 MW Payne's FerryIdaho Wind Partners 1 LLC · Onshore Wind Turbine · 1 generator21 MW Salmon Falls Wind ParkIdaho Wind Partners 1 LLC · Onshore Wind Turbine · 1 generator21 MW Mountain HomeHot Springs Windfarm, LLC · Onshore Wind Turbine · 1 generator21 MW Bennett Creek Windfarm LLC - Mountain HomeBennett Creek Windfarm LLC · Onshore Wind Turbine · 1 generator21 MW Yahoo CreekIdaho Wind Partners 1 LLC · Onshore Wind Turbine · 1 generator21 MW Mt. Home Solar 1, LLCStandard Solar · Solar Photovoltaic · 1 generator20 MW Orchard Ranch SolarOrchard Ranch Solar, LLC · Solar Photovoltaic · 1 generator20 MW American Falls SolarAmerican Falls Solar LLC · Solar Photovoltaic · 1 generator20 MW American Falls Solar IIAmerican Falls Solar II, LLC · Solar Photovoltaic · 1 generator20 MW Murphy Flat SolarMurphy Flat Power, LLC · Solar Photovoltaic · 1 generator20 MW Simcoe SolarSimcoe Solar · Solar Photovoltaic · 1 generator20 MW Milner Dam Wind Park LLCIdaho Wind Partners 1 LLC · Onshore Wind Turbine · 1 generator19.5 MW Cassia GulchCassia Gulch Wind Park, LLC · Onshore Wind Turbine · 1 generator18.9 MW Upper Salmon AIdaho Power Co · Conventional Hydroelectric · 2 generators18 MW IFP Peaking PlantCity of Idaho Falls - (ID) · Natural Gas Internal Combustion Engine · 7 generators17.5 MW Tuana SpringsTuana Springs Energy, LLC · Onshore Wind Turbine · 1 generator16.8 MW Upper Salmon BIdaho Power Co · Conventional Hydroelectric · 2 generators16.5 MW Raft River Geothermal Power PlantUS Geothermal Inc. · Geothermal · 1 generator16 MW Simplot Leasing Don PlantSimplot Leasing Corp · All Other · 1 generator15.9 MW Arrowrock Hydroelectric ProjectBoise-Kuna Irrigation District · Conventional Hydroelectric · 2 generators15 MW Shoshone FallsIdaho Power Co · Conventional Hydroelectric · 2 generators14.7 MW SodaPacifiCorp · Conventional Hydroelectric · 2 generators14.6 MW Oregon Trail Wind ParkIdaho Wind Partners 1 LLC · Onshore Wind Turbine · 1 generator13.5 MW Lower MaladIdaho Power Co · Conventional Hydroelectric · 1 generator13.5 MW Cascade Dam (ID)Idaho Power Co · Conventional Hydroelectric · 2 generators12.4 MW Thousand Springs Wind ParkIdaho Wind Partners 1 LLC · Onshore Wind Turbine · 1 generator12 MW Golden Valley Wind Park LLCIdaho Wind Partners 1 LLC · Onshore Wind Turbine · 1 generator12 MW Amalgamated Sugar Twin FallsThe Amalgamated Sugar Co · Natural Gas Steam Turbine · 3 generators11.2 MW Pilgrim Stage Wind ParkIdaho Wind Partners 1 LLC · Onshore Wind Turbine · 1 generator10.5 MW Fossil GulchGreenbacker Renewable Energy Corporation · Onshore Wind Turbine · 1 generator10.5 MW Tuana Gulch Wind ParkIdaho Wind Partners 1 LLC · Onshore Wind Turbine · 1 generator10.5 MW Black CanyonU S Bureau of Reclamation · Conventional Hydroelectric · 2 generators10.2 MW BypassNorth Side Energy Company · Conventional Hydroelectric · 3 generators9.9 MW Horseshoe Bend Hydroelectric CoHorseshoe Bend Hydroelectric Co · Conventional Hydroelectric · 2 generators9.4 MW Magic Dam Hydroelectric ProjectWood Hydro, LLC · Conventional Hydroelectric · 3 generators9 MW Falls River HydroMarysville Hydro Partners · Conventional Hydroelectric · 2 generators9 MW Post FallsAvista Corp · Conventional Hydroelectric · 4 generators8.8 MW S E Hazelton ANorth Side Energy Company · Conventional Hydroelectric · 3 generators8.7 MW Cassia WindCassia Wind Farm, LLC · Onshore Wind Turbine · 1 generator8.4 MW Wilson Lake Hydroelectric ProjectHazelton/Wilson Joint Venture · Conventional Hydroelectric · 2 generators8.4 MW Upper MaladIdaho Power Co · Conventional Hydroelectric · 1 generator8.3 MW Amalgamated Sugar LLC NampaAmalgamated Sugar Co-Nampa · Natural Gas Steam Turbine · 2 generators8.2 MW City Power PlantCity of Idaho Falls - (ID) · Conventional Hydroelectric · 1 generator8 MW South Forks HydroSouth Forks Joint Venture · Conventional Hydroelectric · 2 generators8 MW Lower No 1City of Idaho Falls - (ID) · Conventional Hydroelectric · 1 generator8 MW

Showing the top 100 of 152 plants by capacity.

Source: U.S. Energy Information Administration, Forms EIA-860/EIA-860M — currently operating generators only, aggregated to the plant level.

Power Plants in Idaho | EnergyAtlasUSA