Directory of Power Plants in Idaho
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| 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 |
| C J Strike | Idaho Power Co | Bruneau, ID | Idaho Power Company (IPCO) | 422.3 GWh | Feb 1952 | Dec 2024 | Water |
| Cascade Dam | Idaho Power Co | Cascade, ID | Idaho Power Company (IPCO) | 37.4 GWh | Nov 1983 | Dec 2024 | Water |
| Clear Lake | Idaho Power Co | Buhl, ID | Idaho Power Company (IPCO) | 16.7 GWh | Nov 1937 | Dec 2024 | Water |
| Cabinet Gorge | Avista Corp | Clark Fork, ID | Avista Corporation (AVA) | 857.6 GWh | Aug 1952 | Dec 2024 | Water |
| City Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 40.4 GWh | Jun 1982 | Dec 2024 | Water |
| Crystal Springs | Crystal Springs Hydro Elec LP | Filer, ID | Idaho Power Company (IPCO) | 9.4 GWh | Dec 1987 | Dec 2024 | Water |
| Camp Reed | Idaho Wind Partners 1 LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 69.4 GWh | Nov 2010 | Dec 2024 | Wind |
| Cold Springs Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 55.6 GWh | Nov 2012 | Dec 2024 | Wind |
| Clearwater Paper IPP Lewiston | Clearwater Paper Corporation | Lewiston, ID | Avista Corporation (AVA) | 389.8 GWh | Dec 1949 | Mar 2025 | Black Liquor : 55.5% Wood/Wood Waste Solids : 24.9% Natural Gas : 19.6% |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | Chester, ID | Bonneville Power Administration (BPAT) | 7.7 GWh | Apr 2014 | Mar 2025 | Water |
| Cassia Wind | Cassia Wind Farm, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 18.7 GWh | Feb 2009 | Mar 2025 | Wind |
| Cassia Gulch | Cassia Gulch Wind Park, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 39.3 GWh | Feb 2009 | Mar 2025 | Wind |
| Cedar Creek Wind, LLC | Cedar Creek Wind, LLC | Shelley, ID | PacifiCorp East (PACE) | 470.9 GWh | Feb 2024 | Mar 2025 | Wind |
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 |