Directory of Power Plants in Idaho
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Murphy Flat Solar | Murphy Flat Power, LLC | Murphy, ID | Idaho Power Company (IPCO) | 40.1 GWh | Mar 2017 | Mar 2025 | Solar |
| North Gooding Main Hydro | North Gooding Main Hydro LLC | Gooding, ID | Idaho Power Company (IPCO) | 4.6 GWh | Sep 2016 | Oct 2024 | Water |
| Bypass | North Side Energy Company | Hazelton, ID | Idaho Power Company (IPCO) | 27.2 GWh | Feb 1987 | Oct 2024 | Water |
| S E Hazelton A | North Side Energy Company | Hazelton, ID | Idaho Power Company (IPCO) | 24.7 GWh | May 1990 | Oct 2024 | Water |
| Head of U Canal Hydro Project | North Side Energy Company | Jerome, ID | Idaho Power Company (IPCO) | 4.5 GWh | May 2015 | Oct 2024 | Water |
| Orchard Ranch Solar | Orchard Ranch Solar, LLC | Orchard, ID | Idaho Power Company (IPCO) | 42.6 GWh | Feb 2017 | Mar 2025 | Solar |
| Last Chance | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 4.5 GWh | Jan 1984 | Dec 2024 | Water |
| Soda | PacifiCorp | Soda Springs, ID | PacifiCorp East (PACE) | 19.1 GWh | Jun 1924 | Dec 2024 | Water |
| Oneida | PacifiCorp | Riverdale, ID | PacifiCorp East (PACE) | 42.0 GWh | Jun 1915 | Dec 2024 | Water |
| Ashton | PacifiCorp | Ashton, ID | PacifiCorp East (PACE) | 32.6 GWh | Jun 1917 | Dec 2024 | Water |
| Grace | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 88.1 GWh | Jun 1923 | Dec 2024 | Water |
| Matrix Pleasant Valley | Pleasant Valley Solar, LLC | Boise, ID | Idaho Power Company (IPCO) | 36.8 GWh | - | Mar 2025 | Solar |
| 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 |
| 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 |
| Rathdrum Power LLC | Rathdrum Power LLC | Rathdrum, ID | Avista Corporation (AVA) | 1.4 TWh | Aug 2001 | Dec 2024 | Natural Gas |
| Meadow Creek Project Company | Ridgeline Energy LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 325.0 GWh | Nov 2012 | Dec 2024 | Wind |
| Rockland Wind Farm | Ridgeline Energy LLC | American Falls, ID | Idaho Power Company (IPCO) | 250.6 GWh | Nov 2011 | Dec 2024 | Wind |
| Fargo Drop | Riverside Investments LLC | Wilder, ID | Idaho Power Company (IPCO) | 3.8 GWh | Mar 2013 | Oct 2024 | Water |
| Rock Creek I | Shorock Hydro Inc | Twin Falls, ID | Idaho Power Company (IPCO) | 10.6 GWh | Aug 1983 | Dec 2024 | Water |
| Simcoe Solar | Simcoe Solar | Mountain Home, ID | Idaho Power Company (IPCO) | 47.6 GWh | Feb 2017 | Mar 2025 | Solar |
| Simplot Leasing Don Plant | Simplot Leasing Corp | Pocatello, ID | Idaho Power Company (IPCO) | 71.5 GWh | Jan 1986 | Mar 2025 | Waste Heat |
| Smith Falls Hydro Project | Smith Creek Hydro, LLC | Bonners Ferry, ID | Bonneville Power Administration (BPAT) | 83.0 GWh | Nov 1989 | Nov 2024 | Water |
| South Forks Hydro | South Forks Joint Venture | Hansen, ID | Idaho Power Company (IPCO) | 26.0 GWh | Nov 1984 | Oct 2024 | Water |
| Milner Butte LFGE | Southern Idaho Solid Waste | Burley, ID | Idaho Power Company (IPCO) | 24.1 GWh | Sep 2018 | Dec 2024 | Landfill Gas |
| Mt. Home Solar 1, LLC | Standard Solar | Pocatello, ID | Idaho Power Company (IPCO) | 47.2 GWh | Feb 2017 | Dec 2024 | Solar |
| Tamarack Energy | Tamarack Energy | New Meadows, ID | Idaho Power Company (IPCO) | 14.1 GWh | May 1983 | Mar 2025 | Wood/Wood Waste Solids |
| Amalgamated Sugar Twin Falls | The Amalgamated Sugar Co | Twin Falls, ID | Idaho Power Company (IPCO) | 28.5 GWh | Nov 1948 | Dec 2024 | Natural Gas |
| Tuana Springs | Tuana Springs Energy, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 31.1 GWh | Apr 2010 | Mar 2025 | Wind |
| Boise R Diversion | U S Bureau of Reclamation | Boise, ID | Idaho Power Company (IPCO) | 7.9 GWh | May 2004 | Dec 2024 | Water |
| Black Canyon | U S Bureau of Reclamation | Emmet, ID | Bonneville Power Administration (BPAT) | 58.8 GWh | Nov 1925 | Dec 2024 | Water |
| Minidoka | U S Bureau of Reclamation | Rupert, ID | Bonneville Power Administration (BPAT) | 111.7 GWh | May 1927 | Dec 2024 | Water |
| Palisades Dam | U S Bureau of Reclamation | Palisades, ID | Bonneville Power Administration (BPAT) | 744.4 GWh | Jan 1957 | Dec 2024 | Water |
| Anderson Ranch | U S Bureau of Reclamation | Mountain Home, ID | Bonneville Power Administration (BPAT) | 130.0 GWh | Nov 1950 | Dec 2024 | Water |
| Raft River Geothermal Power Plant | US Geothermal Inc. | Malta, ID | Bonneville Power Administration (BPAT) | 92.0 GWh | Dec 2007 | Dec 2024 | Geothermal |
| Dworshak | USACE Northwestern Division | Ahsahka, ID | Bonneville Power Administration (BPAT) | 1.4 TWh | Aug 1974 | Dec 2024 | Water |
| Albeni Falls | USACE Northwestern Division | Oldtown, ID | Bonneville Power Administration (BPAT) | 179.3 GWh | Apr 1955 | Dec 2024 | Water |
| Horse Butte Wind I, LLC | Utah Associated Mun Power Sys | Iona, ID | Bonneville Power Administration (BPAT) | 167.4 GWh | Jul 2012 | Dec 2024 | Wind |
| Magic Dam Hydroelectric Project | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 19.9 GWh | Apr 1989 | Sep 2024 | Water |
| Dietrich Drop | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 8.3 GWh | Jul 1990 | Oct 2024 | Water |
| Mile 28 Water Power Project | Wood Hydro, LLC | Eden, ID | Idaho Power Company (IPCO) | 5.3 GWh | May 1994 | Dec 2024 | Water |
Browse Power Plants By Idaho Counties
Figures are based on March 2025 generation numbers.| County | State Rank | Active Plants | Mar 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 |
| Clearwater County, ID | # 6 | 2 | 1.4 TWh |
| Twin Falls County, ID | # 7 | 40 | 1.4 TWh |
| Bonner County, ID | # 8 | 2 | 1.0 TWh |
| Gooding County, ID | # 9 | 14 | 845.4 GWh |
| Power County, ID | # 10 | 6 | 695.8 GWh |
| Ada County, ID | # 11 | 13 | 621.6 GWh |
| Bingham County, ID | # 12 | 2 | 470.9 GWh |
| Owyhee County, ID | # 13 | 3 | 461.7 GWh |
| Nez Perce County, ID | # 14 | 1 | 389.8 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 | Mar 2025 Generation |
|---|---|---|---|
| Fremont County, ID | # 19 | 4 | 105.6 GWh |
| Boundary County, ID | # 20 | 2 | 103.9 GWh |
| Bannock County, ID | # 21 | 4 | 91.2 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 | 14.1 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 |