Directory of Power Plants in Idaho
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Cold Springs Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 55.6 GWh | Nov 2012 | Dec 2024 | Wind |
| Two Ponds Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 63.9 GWh | Nov 2012 | Dec 2024 | Wind |
| Sawtooth Wind Project | Idaho Winds LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 60.3 GWh | Sep 2011 | Dec 2024 | Wind |
| Power County Wind Park South | Power County Wind Park South LLC | American Falls, ID | PacifiCorp East (PACE) | 53.4 GWh | Nov 2011 | Dec 2024 | Wind |
| Power County Wind Park North | Power County Wind Park North LLC | American Falls, ID | PacifiCorp East (PACE) | 61.3 GWh | Nov 2011 | Dec 2024 | Wind |
| Rockland Wind Farm | Ridgeline Energy LLC | American Falls, ID | Idaho Power Company (IPCO) | 250.6 GWh | Nov 2011 | Dec 2024 | Wind |
| Hidden Hollow Energy | Hidden Hollow Energy LLC | Boise, ID | Idaho Power Company (IPCO) | 18.1 GWh | Dec 2006 | Dec 2024 | Landfill Gas |
| Horse Butte Wind I, LLC | Utah Associated Mun Power Sys | Iona, ID | Bonneville Power Administration (BPAT) | 167.4 GWh | Jul 2012 | Dec 2024 | Wind |
| Fighting Creek LFGTE Plant | Kootenai Renewable Energy LLC | Coeur d'Alene, ID | Avista Corporation (AVA) | 19.9 GWh | Feb 2012 | Dec 2024 | Landfill Gas |
| Meadow Creek Project Company | Ridgeline Energy LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 325.0 GWh | Nov 2012 | Dec 2024 | Wind |
| Mt. Home Solar 1, LLC | Standard Solar | Pocatello, ID | Idaho Power Company (IPCO) | 47.2 GWh | Feb 2017 | Dec 2024 | Solar |
| ID Solar | AES Distributed Energy | Kuna, ID | Idaho Power Company (IPCO) | 85.3 GWh | Jul 2016 | Dec 2024 | Solar |
| Milner Butte LFGE | Southern Idaho Solid Waste | Burley, ID | Idaho Power Company (IPCO) | 24.1 GWh | Sep 2018 | Dec 2024 | Landfill Gas |
| AJMS, LLC | AJMS, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 3.8 GWh | Sep 2015 | Dec 2024 | Water |
| West Point RNG | Camco International Group, Inc. | Wendell, ID | Idaho Power Company (IPCO) | 5.2 GWh | Jul 2024 | Dec 2024 | Other Biomass Gas |
| Salmon Diesel | Idaho Power Co | Salmon, ID | Idaho Power Company (IPCO) | 54.0 MWh | Nov 1967 | Feb 2025 | Distillate Fuel Oil |
| Langley Gulch Power Plant | Idaho Power Co | New Plymouth, ID | Idaho Power Company (IPCO) | 1.7 TWh | May 2012 | Mar 2025 | Natural Gas |
| Tamarack Energy | Tamarack Energy | New Meadows, ID | Idaho Power Company (IPCO) | 13.7 GWh | May 1983 | Apr 2025 | Wood/Wood Waste Solids |
| Simplot Leasing Don Plant | Simplot Leasing Corp | Pocatello, ID | Idaho Power Company (IPCO) | 70.8 GWh | Jan 1986 | Apr 2025 | Waste Heat |
| Clearwater Paper IPP Lewiston | Clearwater Paper Corporation | Lewiston, ID | Avista Corporation (AVA) | 395.3 GWh | Dec 1949 | Apr 2025 | Black Liquor : 56.2% Wood/Wood Waste Solids : 24.7% Natural Gas : 19.1% |
| Mountain Home | Hot Springs Windfarm, LLC | Mountain Home, ID | Idaho Power Company (IPCO) | 34.6 GWh | Apr 2008 | Apr 2025 | Wind |
| Bennett Creek Windfarm LLC - Mountain Home | Bennett Creek Windfarm LLC | Mountain Home, ID | Idaho Power Company (IPCO) | 38.8 GWh | Jun 2008 | Apr 2025 | Wind |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | Chester, ID | Bonneville Power Administration (BPAT) | 8.0 GWh | Apr 2014 | Apr 2025 | Water |
| Cassia Wind | Cassia Wind Farm, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 17.8 GWh | Feb 2009 | Apr 2025 | Wind |
| Cassia Gulch | Cassia Gulch Wind Park, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 37.6 GWh | Feb 2009 | Apr 2025 | Wind |
| Tuana Springs | Tuana Springs Energy, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 29.6 GWh | Apr 2010 | Apr 2025 | Wind |
| High Mesa | High Mesa Energy, LLC | King Hill, ID | Idaho Power Company (IPCO) | 86.6 GWh | Nov 2012 | Apr 2025 | Wind |
| BYUI Central Energy Facility | Brigham Young Univ Idaho | Rexburg, ID | PacifiCorp East (PACE) | 39.9 GWh | Jul 2015 | Apr 2025 | Natural Gas |
| Bannock County LFG to Energy | Bannock County Landfill | Pocatello, ID | Idaho Power Company (IPCO) | 12.8 GWh | Apr 2014 | Apr 2025 | Landfill Gas |
| Murphy Flat Solar | Murphy Flat Power, LLC | Murphy, ID | Idaho Power Company (IPCO) | 39.4 GWh | Mar 2017 | Apr 2025 | Solar |
| Orchard Ranch Solar | Orchard Ranch Solar, LLC | Orchard, ID | Idaho Power Company (IPCO) | 43.5 GWh | Feb 2017 | Apr 2025 | Solar |
| American Falls Solar | American Falls Solar LLC | American Falls, ID | Idaho Power Company (IPCO) | 44.5 GWh | Feb 2017 | Apr 2025 | Solar |
| American Falls Solar II | American Falls Solar II, LLC | American Falls, ID | Idaho Power Company (IPCO) | 44.2 GWh | Feb 2017 | Apr 2025 | Solar |
| Grand View Solar Two | Grand View PV Solar Two, LLC | Grand View, ID | Idaho Power Company (IPCO) | 182.0 GWh | Nov 2016 | Apr 2025 | Solar |
| Simcoe Solar | Simcoe Solar | Mountain Home, ID | Idaho Power Company (IPCO) | 47.9 GWh | Feb 2017 | Apr 2025 | Solar |
| Cedar Creek Wind, LLC | Cedar Creek Wind, LLC | Shelley, ID | PacifiCorp East (PACE) | 466.6 GWh | Feb 2024 | Apr 2025 | Wind |
| Jackpot Solar, LLC | Duke Energy Renewables Services | Twin Falls, ID | Idaho Power Company (IPCO) | 257.6 GWh | Nov 2022 | Apr 2025 | Solar |
| Black Mesa Solar, LLC | Black Mesa Solar, LLC | King Hill, ID | Idaho Power Company (IPCO) | 84.6 GWh | May 2023 | Apr 2025 | Solar |
| Franklin Solar Hybrid | Franklin Solar Idaho | Twin Falls, ID | Idaho Power Company (IPCO) | 202.8 GWh | Apr 2024 | Apr 2025 | Solar |
| Matrix Pleasant Valley | Pleasant Valley Solar, LLC | Boise, ID | Idaho Power Company (IPCO) | 90.2 GWh | - | Apr 2025 | Solar |
Browse Power Plants By Idaho Counties
Figures are based on April 2025 generation numbers.| County | State Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Elmore County, ID | # 1 | 26 | 3.1 TWh |
| Kootenai County, ID | # 2 | 4 | 2.3 TWh |
| Washington County, ID | # 3 | 2 | 2.2 TWh |
| Bonneville County, ID | # 4 | 13 | 2.0 TWh |
| Payette County, ID | # 5 | 1 | 1.7 TWh |
| Twin Falls County, ID | # 6 | 40 | 1.4 TWh |
| Clearwater County, ID | # 7 | 2 | 1.4 TWh |
| Bonner County, ID | # 8 | 2 | 1.0 TWh |
| Gooding County, ID | # 9 | 14 | 845.4 GWh |
| Power County, ID | # 10 | 6 | 696.4 GWh |
| Ada County, ID | # 11 | 13 | 675.9 GWh |
| Bingham County, ID | # 12 | 2 | 466.6 GWh |
| Owyhee County, ID | # 13 | 3 | 460.8 GWh |
| Nez Perce County, ID | # 14 | 1 | 395.3 GWh |
| Cassia County, ID | # 15 | 10 | 367.0 GWh |
| Jerome County, ID | # 16 | 13 | 188.4 GWh |
| Minidoka County, ID | # 17 | 2 | 111.7 GWh |
| Caribou County, ID | # 18 | 4 | 111.6 GWh |
| County | State Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Fremont County, ID | # 19 | 4 | 105.9 GWh |
| Boundary County, ID | # 20 | 2 | 103.9 GWh |
| Bannock County, ID | # 21 | 4 | 90.5 GWh |
| Gem County, ID | # 22 | 2 | 58.8 GWh |
| Canyon County, ID | # 23 | 4 | 53.2 GWh |
| Franklin County, ID | # 24 | 2 | 53.0 GWh |
| Boise County, ID | # 25 | 1 | 42.0 GWh |
| Madison County, ID | # 26 | 1 | 39.9 GWh |
| Valley County, ID | # 27 | 1 | 37.4 GWh |
| Teton County, ID | # 28 | 2 | 27.8 GWh |
| Blaine County, ID | # 29 | 2 | 24.7 GWh |
| Lincoln County, ID | # 30 | 3 | 15.7 GWh |
| Adams County, ID | # 31 | 1 | 13.7 GWh |
| Clark County, ID | # 32 | 2 | 12.6 GWh |
| Butte County, ID | # 33 | 1 | 10.1 GWh |
| Jefferson County, ID | # 34 | 1 | 9.2 GWh |
| Lemhi County, ID | # 35 | 1 | 54.0 MWh |