Directory of Power Plants in Idaho
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Island Park | Fall River Rural Elec Coop Inc | Island Park, ID | Bonneville Power Administration (BPAT) | 16.3 GWh | Mar 1994 | Dec 2023 | Water |
| Moyie Springs | City of Bonners Ferry | Moyie Springs, ID | Bonneville Power Administration (BPAT) | 16.0 GWh | Nov 1921 | Dec 2023 | Water |
| Tamarack Energy Partnership | Tamarack Energy | New Meadows, ID | Idaho Power Company (IPCO) | 12.9 GWh | May 1983 | Sep 2024 | Wood/Wood Waste Solids |
| Bannock County LFG to Energy | Bannock County Landfill | Pocatello, ID | Idaho Power Company (IPCO) | 12.8 GWh | Apr 2014 | Sep 2024 | Landfill Gas |
| Dry Creek Project | Dry Creek LLC | Howe, ID | PacifiCorp East (PACE) | 12.5 GWh | Nov 1987 | Dec 2023 | Water |
| Mink Creek Hydro | Mink Creek Hydro Entity | Preston, ID | PacifiCorp East (PACE) | 10.5 GWh | Nov 1986 | Dec 2023 | Water |
| Dietrich Drop | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 10.5 GWh | Jul 1990 | Oct 2023 | Water |
| Rock Creek I | Shorock Hydro Inc | Twin Falls, ID | Idaho Power Company (IPCO) | 9.6 GWh | Aug 1983 | Dec 2023 | Water |
| Big Sky Dairy Digester | DF-AP #1 LLC | Gooding, ID | Idaho Power Company (IPCO) | 9.4 GWh | Dec 2008 | Dec 2023 | Other Biomass Gas |
| Kettle Butte Digester, LLC | Kettle Butte Digester, LLC | Roberts, ID | PacifiCorp East (PACE) | 9.2 GWh | Apr 2011 | Dec 2023 | Other Biomass Gas |
| Birch Creek Power | Birch Power Co | Terreton, ID | PacifiCorp East (PACE) | 9.2 GWh | Mar 1986 | Dec 2023 | Water |
| Barber Dam | Central Rivers Power US, LLC | Boise, ID | Idaho Power Company (IPCO) | 9.2 GWh | Jul 1990 | Dec 2023 | Water |
| Low Line Rapids | Lower Lowline LLC | Kimberly, ID | Idaho Power Company (IPCO) | 8.9 GWh | Jul 1990 | Oct 2023 | Water |
| Crystal Springs | Crystal Springs Hydro Elec LP | Filer, ID | Idaho Power Company (IPCO) | 8.9 GWh | Dec 1987 | Dec 2023 | Water |
| Plummer Cogen | Stimson Lumber Company | Plummer, ID | Avista Corporation (AVA) | 8.8 GWh | Nov 1982 | Sep 2023 | Wood/Wood Waste Solids |
| MC6 Hydro Facility | MC6 Hydro Facility | Kuna, ID | Idaho Power Company (IPCO) | 8.7 GWh | Mar 2021 | Oct 2023 | Water |
| Boise R Diversion | U S Bureau of Reclamation | Boise, ID | Idaho Power Company (IPCO) | 8.6 GWh | May 2004 | Dec 2023 | Water |
| Clear Lake | Idaho Power Co | Buhl, ID | Idaho Power Company (IPCO) | 8.4 GWh | Nov 1937 | Dec 2023 | Water |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | Chester, ID | Bonneville Power Administration (BPAT) | 7.8 GWh | Apr 2014 | Sep 2024 | Water |
| Upper Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 7.0 GWh | Aug 1982 | Dec 2023 | Water |
| Marsh Valley Development | Marsh Valley Development Inc | McCammon, ID | PacifiCorp East (PACE) | 6.9 GWh | Mar 1993 | Dec 2023 | Water |
| Little Wood Hydro Project | Littlewood Irrigation District | Carey, ID | Idaho Power Company (IPCO) | 6.4 GWh | Jan 1985 | Sep 2023 | Water |
| Rock Creek II | Hydroland Omega LLC | Twin Falls, ID | Idaho Power Company (IPCO) | 5.8 GWh | Jul 1990 | Dec 2023 | Water |
| Head of U Canal Hydro Project | North Side Energy Company | Jerome, ID | Idaho Power Company (IPCO) | 4.9 GWh | May 2015 | Oct 2023 | Water |
| Mora Drop Hydroelectric Project | Boise-Kuna Irrigation District | Kuna, ID | Idaho Power Company (IPCO) | 4.8 GWh | May 2006 | Oct 2023 | Water |
| Blind Canyon Hydro | Blind Canyon Aquaranch, Inc. | Wendell, ID | Idaho Power Company (IPCO) | 4.8 GWh | Mar 1992 | Oct 2023 | Water |
| Little Mac Project | Little Mac Power Company | Buhl, ID | Idaho Power Company (IPCO) | 4.5 GWh | Apr 1984 | Dec 2023 | Water |
| Lower No 2 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 4.5 GWh | Jul 1940 | Oct 2023 | Water |
| Mile 28 Water Power Project | Wood Hydro, LLC | Eden, ID | Idaho Power Company (IPCO) | 4.3 GWh | May 1994 | Oct 2023 | Water |
| North Gooding Main Hydro | North Gooding Main Hydro LLC | Gooding, ID | Idaho Power Company (IPCO) | 4.0 GWh | Sep 2016 | Sep 2023 | Water |
| Koyle Ranch Hydroelectric Project | Koyle Hydro Inc | Gooding, ID | Idaho Power Company (IPCO) | 4.0 GWh | Nov 1983 | Oct 2023 | Water |
| AJMS, LLC | AJMS, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 3.9 GWh | Sep 2015 | Dec 2023 | Water |
| Fargo Drop | Riverside Investments LLC | Wilder, ID | Idaho Power Company (IPCO) | 3.9 GWh | Mar 2013 | Oct 2023 | Water |
| Lateral 10 Ventures | Lateral 10 Ventures | Buhl, ID | Idaho Power Company (IPCO) | 3.8 GWh | Oct 1984 | Dec 2023 | Water |
| El Dorado Hydro Elk Creek | Hydroland Omega LLC | New Meadows, ID | Idaho Power Company (IPCO) | 3.6 GWh | Mar 1986 | Jul 2023 | Water |
| Last Chance | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 3.4 GWh | Jan 1984 | Dec 2023 | Water |
| Ford Hydro LP | Ford Hydro Ltd Partnership | Weippe, ID | Avista Corporation (AVA) | 3.1 GWh | Feb 1988 | 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 |
| Marco Ranch | Marco Power Inc | Jerome, ID | Idaho Power Company (IPCO) | 2.6 GWh | Jul 1985 | Oct 2023 | Water |
| Salmon Diesel | Idaho Power Co | Salmon, ID | Idaho Power Company (IPCO) | 57.0 MWh | Nov 1967 | Sep 2024 | Distillate Fuel Oil |
| GeoBon II | Koosh, Inc. | Shoshone, ID | Idaho Power Company (IPCO) | 55.0 MWh | Aug 1986 | Dec 2023 | Water |
Browse Power Plants By Idaho Counties
Figures are based on December 2023 generation numbers.| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Kootenai County, ID | # 1 | 4 | 2.7 TWh |
| Elmore County, ID | # 2 | 26 | 2.3 TWh |
| Washington County, ID | # 3 | 2 | 2.1 TWh |
| Payette County, ID | # 4 | 1 | 1.9 TWh |
| Bonneville County, ID | # 5 | 12 | 1.6 TWh |
| Clearwater County, ID | # 6 | 2 | 1.4 TWh |
| Twin Falls County, ID | # 7 | 40 | 1.2 TWh |
| Bonner County, ID | # 8 | 2 | 980.2 GWh |
| Gooding County, ID | # 9 | 14 | 750.7 GWh |
| Power County, ID | # 10 | 6 | 658.0 GWh |
| Ada County, ID | # 11 | 11 | 634.1 GWh |
| Owyhee County, ID | # 12 | 3 | 419.9 GWh |
| Nez Perce County, ID | # 13 | 1 | 371.6 GWh |
| Cassia County, ID | # 14 | 10 | 259.9 GWh |
| Bingham County, ID | # 15 | 2 | 226.0 GWh |
| Jerome County, ID | # 16 | 13 | 163.7 GWh |
| Fremont County, ID | # 17 | 4 | 98.5 GWh |
| Caribou County, ID | # 18 | 4 | 92.8 GWh |
| Bannock County, ID | # 19 | 4 | 89.3 GWh |
| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Boundary County, ID | # 20 | 2 | 66.9 GWh |
| Minidoka County, ID | # 21 | 2 | 59.4 GWh |
| Gem County, ID | # 22 | 2 | 56.9 GWh |
| Canyon County, ID | # 23 | 4 | 53.2 GWh |
| Franklin County, ID | # 24 | 2 | 53.0 GWh |
| Madison County, ID | # 25 | 1 | 39.4 GWh |
| Valley County, ID | # 26 | 1 | 35.5 GWh |
| Boise County, ID | # 27 | 1 | 35.5 GWh |
| Teton County, ID | # 28 | 2 | 26.7 GWh |
| Blaine County, ID | # 29 | 2 | 26.4 GWh |
| Lincoln County, ID | # 30 | 3 | 14.5 GWh |
| Adams County, ID | # 31 | 1 | 12.9 GWh |
| Butte County, ID | # 32 | 1 | 12.5 GWh |
| Jefferson County, ID | # 33 | 1 | 9.2 GWh |
| Clark County, ID | # 34 | 1 | 9.2 GWh |
| Benewah County, ID | # 35 | 1 | 8.8 GWh |
| Idaho County, ID | # 36 | 1 | 3.6 GWh |
| Lemhi County, ID | # 37 | 1 | 57.0 MWh |