Directory of Power Plants in Idaho
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Salmon Falls Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 57.2 GWh | Mar 2011 | Dec 2023 | Wind |
| Sawtooth Wind Project | Idaho Winds LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 56.4 GWh | Sep 2011 | Dec 2023 | Wind |
| Shoshone Falls | Idaho Power Co | Twin Falls, ID | Idaho Power Company (IPCO) | 42.3 GWh | Jul 1907 | Dec 2023 | 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) | 50.9 GWh | Nov 1989 | Dec 2023 | Water |
| Soda | PacifiCorp | Soda Springs, ID | PacifiCorp East (PACE) | 16.5 GWh | Jun 1924 | Dec 2023 | Water |
| Swan Falls | Idaho Power Co | Kuna, ID | Idaho Power Company (IPCO) | 113.0 GWh | Feb 1994 | Dec 2023 | Water |
| Tamarack Energy Partnership | Tamarack Energy | New Meadows, ID | Idaho Power Company (IPCO) | 14.1 GWh | May 1983 | Mar 2025 | Wood/Wood Waste Solids |
| Thousand Springs | Idaho Power Co | Wendell, ID | Idaho Power Company (IPCO) | 54.2 GWh | Jul 1912 | Dec 2023 | Water |
| Thousand Springs Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 32.2 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 |
| Tuana Springs | Tuana Springs Energy, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 31.1 GWh | Apr 2010 | Mar 2025 | Wind |
| Twin Falls (ID) | Idaho Power Co | Kimberly, ID | Idaho Power Company (IPCO) | 37.1 GWh | Feb 1935 | 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 |
| Upper Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 52.2 GWh | May 1948 | 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 |
| Upper Salmon A | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 81.7 GWh | Aug 1937 | Dec 2023 | Water |
| Upper Salmon B | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 87.8 GWh | Aug 1947 | Dec 2023 | Water |
| Wolverine Creek | Invenergy Services LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 134.7 GWh | Jan 2006 | Dec 2023 | Wind |
| Yahoo Creek | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 60.9 GWh | Nov 2010 | Dec 2023 | Wind |
Browse Power Plants By Idaho Counties
Figures are based on March 2025 generation numbers.| County | State Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Ada County, ID | # 11 | 11 | 657.6 GWh |
| Adams County, ID | # 29 | 1 | 14.1 GWh |
| Bannock County, ID | # 18 | 4 | 91.3 GWh |
| Bingham County, ID | # 12 | 2 | 470.9 GWh |
| Boise County, ID | # 27 | 1 | 35.5 GWh |
| Bonner County, ID | # 8 | 2 | 980.2 GWh |
| Bonneville County, ID | # 5 | 12 | 1.6 TWh |
| Boundary County, ID | # 19 | 2 | 66.9 GWh |
| Butte County, ID | # 30 | 1 | 12.5 GWh |
| Canyon County, ID | # 23 | 4 | 49.3 GWh |
| Caribou County, ID | # 17 | 4 | 92.8 GWh |
| Cassia County, ID | # 15 | 10 | 259.9 GWh |
| Clark County, ID | # 32 | 1 | 9.2 GWh |
| Clearwater County, ID | # 6 | 2 | 1.4 TWh |
| Elmore County, ID | # 2 | 26 | 2.3 TWh |
| Franklin County, ID | # 22 | 2 | 53.0 GWh |
| Fremont County, ID | # 16 | 4 | 98.4 GWh |
| County | State Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Gem County, ID | # 21 | 2 | 56.9 GWh |
| Gooding County, ID | # 9 | 14 | 737.9 GWh |
| Jefferson County, ID | # 31 | 1 | 9.2 GWh |
| Jerome County, ID | # 24 | 13 | 42.3 GWh |
| Kootenai County, ID | # 1 | 4 | 2.7 TWh |
| Lemhi County, ID | # 34 | 1 | 54.0 MWh |
| Lincoln County, ID | # 33 | 3 | 4.0 GWh |
| Madison County, ID | # 25 | 1 | 39.9 GWh |
| Minidoka County, ID | # 20 | 2 | 59.4 GWh |
| Nez Perce County, ID | # 14 | 1 | 389.8 GWh |
| Owyhee County, ID | # 13 | 3 | 416.5 GWh |
| Payette County, ID | # 4 | 1 | 1.7 TWh |
| Power County, ID | # 10 | 6 | 659.1 GWh |
| Teton County, ID | # 28 | 2 | 26.7 GWh |
| Twin Falls County, ID | # 7 | 40 | 1.2 TWh |
| Valley County, ID | # 26 | 1 | 35.5 GWh |
| Washington County, ID | # 3 | 2 | 2.1 TWh |