Directory of Power Plants in Idaho
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Lateral 10 Ventures | Lateral 10 Ventures | Buhl, ID | Idaho Power Company (IPCO) | 3.8 GWh | Oct 1984 | Dec 2023 | Water |
| Clear Lake | Idaho Power Co | Buhl, ID | Idaho Power Company (IPCO) | 8.4 GWh | Nov 1937 | Dec 2023 | Water |
| Little Mac Project | Little Mac Power Company | Buhl, ID | Idaho Power Company (IPCO) | 4.5 GWh | Apr 1984 | Dec 2023 | Water |
| C J Strike | Idaho Power Co | Bruneau, ID | Idaho Power Company (IPCO) | 377.1 GWh | Feb 1952 | Dec 2023 | Water |
| Smith Falls Hydro Project | Smith Creek Hydro, LLC | Bonners Ferry, ID | Bonneville Power Administration (BPAT) | 50.9 GWh | Nov 1989 | Dec 2023 | Water |
| Matrix Pleasant Valley | Pleasant Valley Solar, LLC | Boise, ID | Idaho Power Company (IPCO) | 36.8 GWh | - | Mar 2025 | Solar |
| Hidden Hollow Energy | Hidden Hollow Energy LLC | Boise, ID | Idaho Power Company (IPCO) | 24.0 GWh | Dec 2006 | Dec 2023 | Landfill Gas |
| Arrowrock Hydroelectric Project | Boise-Kuna Irrigation District | Boise, ID | Idaho Power Company (IPCO) | 55.9 GWh | Mar 2010 | Dec 2023 | Water |
| Barber Dam | Central Rivers Power US, LLC | Boise, ID | Idaho Power Company (IPCO) | 9.2 GWh | Jul 1990 | Dec 2023 | Water |
| Lucky Peak Power Plant Project | Boise-Kuna Irrigation District | Boise, ID | Idaho Power Company (IPCO) | 331.8 GWh | Sep 1988 | 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 |
| Bliss | Idaho Power Co | Bliss, ID | Idaho Power Company (IPCO) | 295.1 GWh | Oct 1949 | Dec 2023 | Water |
| Falls River Hydro | Marysville Hydro Partners | Ashton, ID | Bonneville Power Administration (BPAT) | 44.2 GWh | Jul 1993 | Dec 2023 | Water |
| Ashton | PacifiCorp | Ashton, ID | PacifiCorp East (PACE) | 30.2 GWh | Jun 1917 | Dec 2023 | Water |
| Rockland Wind Farm | Ridgeline Energy LLC | American Falls, ID | Idaho Power Company (IPCO) | 219.4 GWh | Nov 2011 | Dec 2023 | Wind |
| American Falls Solar | American Falls Solar LLC | American Falls, ID | Idaho Power Company (IPCO) | 44.2 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 |
| 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 |
| 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 |
| American Falls | Idaho Power Co | American Falls, ID | Idaho Power Company (IPCO) | 262.2 GWh | Feb 1978 | Dec 2023 | Water |
| Dworshak | USACE Northwestern Division | Ahsahka, ID | Bonneville Power Administration (BPAT) | 1.4 TWh | Aug 1974 | Dec 2023 | Water |
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 |