Directory of Power Plants in Idaho
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Salmon Diesel | Idaho Power Co | Salmon, ID | Idaho Power Company (IPCO) | 54.0 MWh | Nov 1967 | Feb 2025 | Distillate Fuel Oil |
| GeoBon II | Koosh, Inc. | Shoshone, ID | Idaho Power Company (IPCO) | 55.0 MWh | Aug 1986 | Dec 2023 | Water |
| Clif Bar Bakery of Twin Falls | Clif Bar Bakery of Twin Falls, LLC | Twin Falls, ID | Idaho Power Company (IPCO) | 2.8 GWh | May 2019 | Dec 2023 | Solar |
| Ford Hydro LP | Ford Hydro Ltd Partnership | Weippe, ID | Avista Corporation (AVA) | 3.1 GWh | Feb 1988 | Dec 2023 | Water |
| Last Chance | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 3.4 GWh | Jan 1984 | Dec 2023 | Water |
| Lateral 10 Ventures | Lateral 10 Ventures | Buhl, ID | Idaho Power Company (IPCO) | 3.8 GWh | Oct 1984 | Dec 2023 | Water |
| AJMS, LLC | AJMS, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 3.9 GWh | Sep 2015 | Dec 2023 | Water |
| Little Mac Project | Little Mac Power Company | Buhl, ID | Idaho Power Company (IPCO) | 4.5 GWh | Apr 1984 | Dec 2023 | Water |
| Rock Creek II | Hydroland Omega LLC | Twin Falls, ID | Idaho Power Company (IPCO) | 5.8 GWh | Jul 1990 | Dec 2023 | Water |
| Marsh Valley Development | Marsh Valley Development Inc | McCammon, ID | PacifiCorp East (PACE) | 6.9 GWh | Mar 1993 | Dec 2023 | Water |
| Upper Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 7.0 GWh | Aug 1982 | Dec 2023 | Water |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | Chester, ID | Bonneville Power Administration (BPAT) | 7.7 GWh | Apr 2014 | Mar 2025 | Water |
| Clear Lake | Idaho Power Co | Buhl, ID | Idaho Power Company (IPCO) | 8.4 GWh | Nov 1937 | Dec 2023 | Water |
| Boise R Diversion | U S Bureau of Reclamation | Boise, ID | Idaho Power Company (IPCO) | 8.6 GWh | May 2004 | Dec 2023 | Water |
| Crystal Springs | Crystal Springs Hydro Elec LP | Filer, ID | Idaho Power Company (IPCO) | 8.9 GWh | Dec 1987 | Dec 2023 | Water |
| Barber Dam | Central Rivers Power US, LLC | Boise, ID | Idaho Power Company (IPCO) | 9.2 GWh | Jul 1990 | Dec 2023 | Water |
| Birch Creek Power | Birch Power Co | Terreton, ID | PacifiCorp East (PACE) | 9.2 GWh | Mar 1986 | Dec 2023 | Water |
| Kettle Butte Digester, LLC | Kettle Butte Digester, LLC | Roberts, ID | PacifiCorp East (PACE) | 9.2 GWh | Apr 2011 | Dec 2023 | Other Biomass Gas |
| Big Sky Dairy Digester | DF-AP #1 LLC | Gooding, ID | Idaho Power Company (IPCO) | 9.4 GWh | Dec 2008 | Dec 2023 | Other Biomass Gas |
| Rock Creek I | Shorock Hydro Inc | Twin Falls, ID | Idaho Power Company (IPCO) | 9.6 GWh | Aug 1983 | Dec 2023 | Water |
| Mink Creek Hydro | Mink Creek Hydro Entity | Preston, ID | PacifiCorp East (PACE) | 10.5 GWh | Nov 1986 | Dec 2023 | Water |
| Dry Creek Project | Dry Creek LLC | Howe, ID | PacifiCorp East (PACE) | 12.5 GWh | Nov 1987 | Dec 2023 | Water |
| Bannock County LFG to Energy | Bannock County Landfill | Pocatello, ID | Idaho Power Company (IPCO) | 12.8 GWh | Apr 2014 | Mar 2025 | Landfill Gas |
| Tamarack Energy Partnership | Tamarack Energy | New Meadows, ID | Idaho Power Company (IPCO) | 14.1 GWh | May 1983 | Mar 2025 | Wood/Wood Waste Solids |
| Moyie Springs | City of Bonners Ferry | Moyie Springs, ID | Bonneville Power Administration (BPAT) | 16.0 GWh | Nov 1921 | Dec 2023 | Water |
| Island Park | Fall River Rural Elec Coop Inc | Island Park, ID | Bonneville Power Administration (BPAT) | 16.3 GWh | Mar 1994 | Dec 2023 | Water |
| Soda | PacifiCorp | Soda Springs, ID | PacifiCorp East (PACE) | 16.5 GWh | Jun 1924 | Dec 2023 | Water |
| Fighting Creek LFGTE Plant | Kootenai Electric Cooperative Inc | Coeur d'Alene, ID | Avista Corporation (AVA) | 17.0 GWh | Feb 2012 | Dec 2023 | Landfill Gas |
| Milner Butte LFGE | Southern Idaho Solid Waste | Burley, ID | Idaho Power Company (IPCO) | 18.4 GWh | Sep 2018 | Dec 2023 | Landfill Gas |
| Cassia Wind | Cassia Wind Farm, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 18.7 GWh | Feb 2009 | Mar 2025 | Wind |
| Hidden Hollow Energy | Hidden Hollow Energy LLC | Boise, ID | Idaho Power Company (IPCO) | 24.0 GWh | Dec 2006 | Dec 2023 | Landfill Gas |
| Fossil Gulch | Greenbacker Renewable Energy Corporation | Hagerman, ID | Idaho Power Company (IPCO) | 24.5 GWh | Jan 2005 | Dec 2023 | Wind |
| Felt | Fall River Rural Elec Coop Inc | Felt, ID | PacifiCorp East (PACE) | 26.7 GWh | Aug 1946 | Dec 2023 | Water |
| Golden Valley Wind Park LLC | Idaho Wind Partners 1 LLC | Burley, ID | Idaho Power Company (IPCO) | 27.8 GWh | Dec 2010 | Dec 2023 | Wind |
| Tuana Gulch Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 28.8 GWh | Dec 2010 | Dec 2023 | Wind |
| Milner Hydro | Idaho Power Co | Murtaugh, ID | Idaho Power Company (IPCO) | 29.0 GWh | Aug 1992 | Dec 2023 | Water |
| Ashton | PacifiCorp | Ashton, ID | PacifiCorp East (PACE) | 30.2 GWh | Jun 1917 | Dec 2023 | Water |
| Tuana Springs | Tuana Springs Energy, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 31.1 GWh | Apr 2010 | Mar 2025 | Wind |
| Pilgrim Stage Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 31.8 GWh | Dec 2010 | Dec 2023 | Wind |
| Thousand Springs Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 32.2 GWh | Dec 2010 | Dec 2023 | Wind |
| Oregon Trail Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 34.6 GWh | Dec 2010 | Dec 2023 | Wind |
| Horseshoe Bend Hydroelectric Co | Horseshoe Bend Hydroelectric Co | Horseshoe Bend, ID | Idaho Power Company (IPCO) | 35.5 GWh | Mar 1995 | Dec 2023 | Water |
| Cascade Dam | Idaho Power Co | Cascade, ID | Idaho Power Company (IPCO) | 35.5 GWh | Nov 1983 | Dec 2023 | Water |
| Mountain Home | Hot Springs Windfarm, LLC | Mountain Home, ID | Idaho Power Company (IPCO) | 35.9 GWh | Apr 2008 | Mar 2025 | Wind |
| Amalgamated Sugar Twin Falls | The Amalgamated Sugar Co | Twin Falls, ID | Idaho Power Company (IPCO) | 36.5 GWh | Nov 1948 | Dec 2023 | Natural Gas |
| Matrix Pleasant Valley | Pleasant Valley Solar, LLC | Boise, ID | Idaho Power Company (IPCO) | 36.8 GWh | - | Mar 2025 | Solar |
| Twin Falls (ID) | Idaho Power Co | Kimberly, ID | Idaho Power Company (IPCO) | 37.1 GWh | Feb 1935 | Dec 2023 | Water |
| Mt. Home Solar 1, LLC | Standard Solar | Pocatello, ID | Idaho Power Company (IPCO) | 38.2 GWh | Feb 2017 | Dec 2023 | Solar |
| City Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 39.1 GWh | Jun 1982 | Dec 2023 | Water |
| Cassia Gulch | Cassia Gulch Wind Park, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 39.3 GWh | Feb 2009 | Mar 2025 | Wind |
| Lower No 1 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 39.6 GWh | Mar 1982 | Dec 2023 | Water |
| BYUI Central Energy Facility | Brigham Young Univ Idaho | Rexburg, ID | PacifiCorp East (PACE) | 39.9 GWh | Jul 2015 | Mar 2025 | Natural Gas |
| Murphy Flat Solar | Murphy Flat Power, LLC | Murphy, ID | Idaho Power Company (IPCO) | 40.1 GWh | Mar 2017 | Mar 2025 | Solar |
| Bennett Creek Windfarm LLC - Mountain Home | Bennett Creek Windfarm LLC | Mountain Home, ID | Idaho Power Company (IPCO) | 40.9 GWh | Jun 2008 | Mar 2025 | Wind |
| Power County Wind Park South | Power County Wind Park South LLC | American Falls, ID | PacifiCorp East (PACE) | 41.2 GWh | Nov 2011 | Dec 2023 | Wind |
| Shoshone Falls | Idaho Power Co | Twin Falls, ID | Idaho Power Company (IPCO) | 42.3 GWh | Jul 1907 | Dec 2023 | Water |
| Oneida | PacifiCorp | Riverdale, ID | PacifiCorp East (PACE) | 42.4 GWh | Jun 1915 | Dec 2023 | Water |
| Orchard Ranch Solar | Orchard Ranch Solar, LLC | Orchard, ID | Idaho Power Company (IPCO) | 42.6 GWh | Feb 2017 | Mar 2025 | Solar |
| American Falls Solar II | American Falls Solar II, LLC | American Falls, ID | Idaho Power Company (IPCO) | 43.9 GWh | Feb 2017 | Mar 2025 | Solar |
| American Falls Solar | American Falls Solar LLC | American Falls, ID | Idaho Power Company (IPCO) | 44.2 GWh | Feb 2017 | Mar 2025 | Solar |
| Falls River Hydro | Marysville Hydro Partners | Ashton, ID | Bonneville Power Administration (BPAT) | 44.2 GWh | Jul 1993 | Dec 2023 | Water |
| Milner Dam Wind Park LLC | Idaho Wind Partners 1 LLC | Burley, ID | Idaho Power Company (IPCO) | 46.6 GWh | Jan 2011 | Dec 2023 | Wind |
| Simcoe Solar | Simcoe Solar | Mountain Home, ID | Idaho Power Company (IPCO) | 47.6 GWh | Feb 2017 | Mar 2025 | Solar |
| Post Falls | Avista Corp | Post Falls, ID | Avista Corporation (AVA) | 48.0 GWh | Jun 1906 | Dec 2023 | Water |
| Power County Wind Park North | Power County Wind Park North LLC | American Falls, ID | PacifiCorp East (PACE) | 48.1 GWh | Nov 2011 | Dec 2023 | Wind |
| Amalgamated Sugar LLC Nampa | Amalgamated Sugar Co-Nampa | Nampa, ID | Idaho Power Company (IPCO) | 49.3 GWh | Sep 1948 | Dec 2023 | Natural Gas |
| Burley Butte Windpark | Idaho Wind Partners 1 LLC | Burley, ID | Idaho Power Company (IPCO) | 49.5 GWh | Jan 2011 | Dec 2023 | Wind |
| Cold Springs Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 50.8 GWh | Nov 2012 | Dec 2023 | Wind |
| Smith Falls Hydro Project | Smith Creek Hydro, LLC | Bonners Ferry, ID | Bonneville Power Administration (BPAT) | 50.9 GWh | Nov 1989 | Dec 2023 | Water |
| Upper Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 52.2 GWh | May 1948 | Dec 2023 | Water |
| Ryegrass Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 52.4 GWh | Nov 2012 | Dec 2023 | Wind |
| Thousand Springs | Idaho Power Co | Wendell, ID | Idaho Power Company (IPCO) | 54.2 GWh | Jul 1912 | Dec 2023 | Water |
| Mainline Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 54.9 GWh | Nov 2012 | Dec 2023 | Wind |
| Desert Meadow Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 55.6 GWh | Nov 2012 | Dec 2023 | Wind |
| Arrowrock Hydroelectric Project | Boise-Kuna Irrigation District | Boise, ID | Idaho Power Company (IPCO) | 55.9 GWh | Mar 2010 | Dec 2023 | Water |
| Two Ponds Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 56.2 GWh | Nov 2012 | Dec 2023 | Wind |
| Sawtooth Wind Project | Idaho Winds LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 56.4 GWh | Sep 2011 | Dec 2023 | Wind |
| Black Canyon | U S Bureau of Reclamation | Emmet, ID | Bonneville Power Administration (BPAT) | 56.9 GWh | Nov 1925 | Dec 2023 | Water |
| Hammett Hill Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 57.2 GWh | Nov 2012 | Dec 2023 | Wind |
| Salmon Falls Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 57.2 GWh | Mar 2011 | Dec 2023 | Wind |
| Minidoka | U S Bureau of Reclamation | Rupert, ID | Bonneville Power Administration (BPAT) | 59.4 GWh | May 1927 | Dec 2023 | Water |
| Payne's Ferry | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 59.8 GWh | Nov 2010 | Dec 2023 | Wind |
| Yahoo Creek | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 60.9 GWh | Nov 2010 | Dec 2023 | Wind |
| Camp Reed | Idaho Wind Partners 1 LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 63.7 GWh | Nov 2010 | Dec 2023 | Wind |
| Simplot Leasing Don Plant | Simplot Leasing Corp | Pocatello, ID | Idaho Power Company (IPCO) | 71.5 GWh | Jan 1986 | Mar 2025 | Waste Heat |
| Grace | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 72.9 GWh | Jun 1923 | Dec 2023 | Water |
| Upper Salmon A | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 81.7 GWh | Aug 1937 | Dec 2023 | Water |
| Black Mesa Solar, LLC | Black Mesa Solar, LLC | King Hill, ID | Idaho Power Company (IPCO) | 84.9 GWh | May 2023 | Mar 2025 | Solar |
| Upper Salmon B | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 87.8 GWh | Aug 1947 | Dec 2023 | Water |
| Raft River Geothermal Power Plant | US Geothermal Inc. | Malta, ID | Bonneville Power Administration (BPAT) | 88.6 GWh | Dec 2007 | Dec 2023 | Geothermal |
| High Mesa | High Mesa Energy, LLC | King Hill, ID | Idaho Power Company (IPCO) | 89.2 GWh | Nov 2012 | Mar 2025 | Wind |
| ID Solar | AES Distributed Energy | Kuna, ID | Idaho Power Company (IPCO) | 91.7 GWh | Jul 2016 | Dec 2023 | Solar |
| Gem State | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 104.1 GWh | Oct 1988 | Dec 2023 | Water |
| Lower Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 106.8 GWh | Sep 1948 | Dec 2023 | Water |
| Swan Falls | Idaho Power Co | Kuna, ID | Idaho Power Company (IPCO) | 113.0 GWh | Feb 1994 | Dec 2023 | Water |
| Anderson Ranch | U S Bureau of Reclamation | Mountain Home, ID | Bonneville Power Administration (BPAT) | 121.6 GWh | Nov 1950 | Dec 2023 | Water |
| Wolverine Creek | Invenergy Services LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 134.7 GWh | Jan 2006 | Dec 2023 | Wind |
| Horse Butte Wind I, LLC | Utah Associated Mun Power Sys | Iona, ID | Bonneville Power Administration (BPAT) | 149.4 GWh | Jul 2012 | Dec 2023 | Wind |
| Albeni Falls | USACE Northwestern Division | Oldtown, ID | Bonneville Power Administration (BPAT) | 164.4 GWh | Apr 1955 | Dec 2023 | Water |
| Franklin Solar Hybrid | Franklin Solar Idaho | Twin Falls, ID | Idaho Power Company (IPCO) | 177.6 GWh | - | Mar 2025 | Solar |
Browse Power Plants By Idaho Counties
Figures are based on February 2025 generation numbers.| County | State Rank | Active Plants | Feb 2025 Generation |
|---|---|---|---|
| Lemhi County, ID | # 34 | 1 | 54.0 MWh |
| Lincoln County, ID | # 33 | 3 | 4.0 GWh |
| Clark County, ID | # 32 | 1 | 9.2 GWh |
| Jefferson County, ID | # 31 | 1 | 9.2 GWh |
| Butte County, ID | # 30 | 1 | 12.5 GWh |
| Adams County, ID | # 29 | 1 | 14.1 GWh |
| Teton County, ID | # 28 | 2 | 26.7 GWh |
| Boise County, ID | # 27 | 1 | 35.5 GWh |
| Valley County, ID | # 26 | 1 | 35.5 GWh |
| Madison County, ID | # 25 | 1 | 39.9 GWh |
| Jerome County, ID | # 24 | 13 | 42.3 GWh |
| Canyon County, ID | # 23 | 4 | 49.3 GWh |
| Franklin County, ID | # 22 | 2 | 53.0 GWh |
| Gem County, ID | # 21 | 2 | 56.9 GWh |
| Minidoka County, ID | # 20 | 2 | 59.4 GWh |
| Boundary County, ID | # 19 | 2 | 66.9 GWh |
| Bannock County, ID | # 18 | 4 | 91.3 GWh |
| County | State Rank | Active Plants | Feb 2025 Generation |
|---|---|---|---|
| Caribou County, ID | # 17 | 4 | 92.8 GWh |
| Fremont County, ID | # 16 | 4 | 98.4 GWh |
| Cassia County, ID | # 15 | 10 | 259.9 GWh |
| Nez Perce County, ID | # 14 | 1 | 389.8 GWh |
| Owyhee County, ID | # 13 | 3 | 416.5 GWh |
| Bingham County, ID | # 12 | 2 | 470.9 GWh |
| Ada County, ID | # 11 | 11 | 657.6 GWh |
| Power County, ID | # 10 | 6 | 659.1 GWh |
| Gooding County, ID | # 9 | 14 | 737.9 GWh |
| Bonner County, ID | # 8 | 2 | 980.2 GWh |
| Twin Falls County, ID | # 7 | 40 | 1.2 TWh |
| Clearwater County, ID | # 6 | 2 | 1.4 TWh |
| Bonneville County, ID | # 5 | 12 | 1.6 TWh |
| Payette County, ID | # 4 | 1 | 1.7 TWh |
| Washington County, ID | # 3 | 2 | 2.1 TWh |
| Elmore County, ID | # 2 | 26 | 2.3 TWh |
| Kootenai County, ID | # 1 | 4 | 2.7 TWh |