Directory of Power Plants in Idaho
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Desert Meadow Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 54.3 GWh | Nov 2012 | Dec 2025 | Wind |
| Cold Springs Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 46.6 GWh | Nov 2012 | Dec 2025 | Wind |
| Two Ponds Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 55.2 GWh | Nov 2012 | Dec 2025 | Wind |
| Sawtooth Wind Project | Idaho Winds LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 49.9 GWh | Sep 2011 | Dec 2025 | Wind |
| Power County Wind Park South | Power County Wind Park South LLC | American Falls, ID | PacifiCorp East (PACE) | 56.8 GWh | Nov 2011 | Dec 2025 | Wind |
| Power County Wind Park North | Power County Wind Park North LLC | American Falls, ID | PacifiCorp East (PACE) | 63.9 GWh | Nov 2011 | Dec 2025 | Wind |
| Rockland Wind Farm | Ridgeline Energy LLC | American Falls, ID | Idaho Power Company (IPCO) | 219.4 GWh | Nov 2011 | Dec 2025 | Wind |
| Hidden Hollow Energy | Hidden Hollow Energy LLC | Boise, ID | Idaho Power Company (IPCO) | 2.8 GWh | Dec 2006 | Dec 2025 | Landfill Gas |
| Horse Butte Wind I, LLC | Utah Associated Mun Power Sys | Iona, ID | Bonneville Power Administration (BPAT) | 158.0 GWh | Jul 2012 | Dec 2025 | Wind |
| Fighting Creek LFGTE Plant | Kootenai Renewable Energy LLC | Coeur d'Alene, ID | Avista Corporation (AVA) | 21.8 GWh | Feb 2012 | Dec 2025 | Landfill Gas |
| Meadow Creek Project Company | Ridgeline Energy LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 292.3 GWh | Nov 2012 | Dec 2025 | Wind |
| Mt. Home Solar 1, LLC | Standard Solar | Pocatello, ID | Idaho Power Company (IPCO) | 48.5 GWh | Feb 2017 | Dec 2025 | Solar |
| ID Solar | AES Distributed Energy | Kuna, ID | Idaho Power Company (IPCO) | 92.2 GWh | Jul 2016 | Dec 2025 | Solar |
| Clif Bar Bakery of Twin Falls | Mondelez Global LLC (Twin Falls) | Twin Falls, ID | Idaho Power Company (IPCO) | 2.6 GWh | May 2019 | Dec 2025 | Solar |
| Milner Butte LFGE | Southern Idaho Solid Waste | Burley, ID | Idaho Power Company (IPCO) | 26.7 GWh | Sep 2018 | Dec 2025 | Landfill Gas |
| West Point RNG | Camco International Group, Inc. | Wendell, ID | Idaho Power Company (IPCO) | 13.7 GWh | Jul 2024 | Dec 2025 | Other Biomass Gas |
| Salmon Diesel | Idaho Power Co | Salmon, ID | Idaho Power Company (IPCO) | 56.0 MWh | Nov 1967 | May 2026 | Distillate Fuel Oil |
| Tamarack Energy | Tamarack Energy | New Meadows, ID | Idaho Power Company (IPCO) | 13.7 GWh | May 1983 | May 2026 | Wood/Wood Waste Solids |
| Simplot Leasing Don Plant | Simplot Leasing Corp | Pocatello, ID | Idaho Power Company (IPCO) | 73.2 GWh | Jan 1986 | May 2026 | Waste Heat |
| Clearwater Paper IPP Lewiston | Clearwater Paper Corporation | Lewiston, ID | Avista Corporation (AVA) | 473.0 GWh | Dec 1949 | May 2026 | Black Liquor : 60.7% Wood/Wood Waste Solids : 23.2% Natural Gas : 16.1% |
| Mountain Home | Hot Springs Windfarm, LLC | Mountain Home, ID | Idaho Power Company (IPCO) | 31.2 GWh | Apr 2008 | May 2026 | Wind |
| Bennett Creek Windfarm LLC - Mountain Home | Bennett Creek Windfarm LLC | Mountain Home, ID | Idaho Power Company (IPCO) | 36.6 GWh | Jun 2008 | May 2026 | Wind |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | Chester, ID | Bonneville Power Administration (BPAT) | 6.9 GWh | Apr 2014 | May 2026 | Water |
| Cassia Wind | Cassia Wind Farm, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 17.2 GWh | Feb 2009 | May 2026 | Wind |
| Cassia Gulch | Cassia Gulch Wind Park, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 35.0 GWh | Feb 2009 | May 2026 | Wind |
| Langley Gulch Power Plant | Idaho Power Co | New Plymouth, ID | Idaho Power Company (IPCO) | 1.7 TWh | May 2012 | May 2026 | Natural Gas |
| Tuana Springs | Tuana Springs Energy, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 27.1 GWh | Apr 2010 | May 2026 | Wind |
| High Mesa | High Mesa Energy, LLC | King Hill, ID | Idaho Power Company (IPCO) | 68.4 GWh | Nov 2012 | May 2026 | Wind |
| BYUI Central Energy Facility | Brigham Young Univ Idaho | Rexburg, ID | PacifiCorp East (PACE) | 37.7 GWh | Jul 2015 | May 2026 | Natural Gas : 99.8% |
| Bannock County LFG to Energy | Bannock County Landfill - (ID) | Pocatello, ID | Idaho Power Company (IPCO) | 12.6 GWh | Apr 2014 | May 2026 | Landfill Gas |
| Murphy Flat Solar | Murphy Flat Power, LLC | Murphy, ID | Idaho Power Company (IPCO) | 43.1 GWh | Mar 2017 | May 2026 | Solar |
| Orchard Ranch Solar | Orchard Ranch Solar, LLC | Kuna, ID | Idaho Power Company (IPCO) | 46.3 GWh | Feb 2017 | May 2026 | Solar |
| American Falls Solar | American Falls Solar LLC | American Falls, ID | Idaho Power Company (IPCO) | 43.6 GWh | Feb 2017 | May 2026 | Solar |
| American Falls Solar II | American Falls Solar II, LLC | American Falls, ID | Idaho Power Company (IPCO) | 45.4 GWh | Feb 2017 | May 2026 | Solar |
| Grand View Solar Two | Grand View PV Solar Two, LLC | Grand View, ID | Idaho Power Company (IPCO) | 181.1 GWh | Nov 2016 | May 2026 | Solar |
| Simcoe Solar | Simcoe Solar | Mountain Home, ID | Idaho Power Company (IPCO) | 48.0 GWh | Feb 2017 | May 2026 | Solar |
| Cedar Creek Wind, LLC | Cedar Creek Wind, LLC | Shelley, ID | PacifiCorp East (PACE) | 504.9 GWh | Feb 2024 | May 2026 | Wind |
| Jackpot Solar, LLC | Duke Energy Renewables Services | Twin Falls, ID | Idaho Power Company (IPCO) | 288.3 GWh | Nov 2022 | May 2026 | Solar |
| Black Mesa Solar, LLC | Black Mesa Solar, LLC | King Hill, ID | Idaho Power Company (IPCO) | 90.4 GWh | May 2023 | May 2026 | Solar |
| Franklin Solar Hybrid | Franklin Solar Idaho | Twin Falls, ID | Idaho Power Company (IPCO) | 247.7 GWh | Apr 2024 | May 2026 | Solar |
| Matrix Pleasant Valley | Pleasant Valley Solar, LLC | Boise, ID | Idaho Power Company (IPCO) | 503.6 GWh | Feb 2025 | May 2026 | Solar |
| Pleasant Valley Solar 2 Project | PVS 2, LLC | Boise, ID | Idaho Power Company (IPCO) | 90.3 GWh | - | May 2026 | Solar |
Browse Power Plants By Idaho Counties
Figures are based on May 2026 generation numbers.| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Elmore County, ID | # 1 | 26 | 2.9 TWh |
| Kootenai County, ID | # 2 | 4 | 2.6 TWh |
| Washington County, ID | # 3 | 2 | 2.3 TWh |
| Bonneville County, ID | # 4 | 13 | 1.8 TWh |
| Payette County, ID | # 5 | 1 | 1.7 TWh |
| Clearwater County, ID | # 6 | 2 | 1.5 TWh |
| Twin Falls County, ID | # 7 | 40 | 1.3 TWh |
| Ada County, ID | # 8 | 14 | 1.2 TWh |
| Bonner County, ID | # 9 | 2 | 1.1 TWh |
| Gooding County, ID | # 10 | 14 | 773.4 GWh |
| Power County, ID | # 11 | 6 | 635.3 GWh |
| Bingham County, ID | # 12 | 2 | 504.9 GWh |
| Nez Perce County, ID | # 13 | 1 | 473.0 GWh |
| Owyhee County, ID | # 14 | 3 | 401.1 GWh |
| Cassia County, ID | # 15 | 10 | 282.9 GWh |
| Jerome County, ID | # 16 | 13 | 168.0 GWh |
| Boundary County, ID | # 17 | 2 | 108.6 GWh |
| Caribou County, ID | # 18 | 4 | 102.4 GWh |
| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Minidoka County, ID | # 19 | 2 | 98.8 GWh |
| Bannock County, ID | # 20 | 4 | 89.2 GWh |
| Fremont County, ID | # 21 | 4 | 87.8 GWh |
| Gem County, ID | # 22 | 2 | 62.9 GWh |
| Franklin County, ID | # 23 | 2 | 48.1 GWh |
| Boise County, ID | # 24 | 1 | 46.8 GWh |
| Valley County, ID | # 25 | 1 | 40.3 GWh |
| Canyon County, ID | # 26 | 4 | 39.5 GWh |
| Madison County, ID | # 27 | 1 | 37.7 GWh |
| Teton County, ID | # 28 | 2 | 24.2 GWh |
| Blaine County, ID | # 29 | 2 | 16.8 GWh |
| Lincoln County, ID | # 30 | 3 | 15.3 GWh |
| Adams County, ID | # 31 | 1 | 13.7 GWh |
| Clark County, ID | # 32 | 2 | 10.4 GWh |
| Jefferson County, ID | # 33 | 1 | 9.2 GWh |
| Butte County, ID | # 34 | 1 | 7.8 GWh |
| Lemhi County, ID | # 35 | 1 | 56.0 MWh |