Directory of Power Plants in Idaho
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| El Dorado Hydro Elk Creek | Hydroland Omega LLC | New Meadows, ID | Idaho Power Company (IPCO) | 3.6 GWh | Mar 1986 | Jul 2023 | Water |
| Magic Dam Hydroelectric Project | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 20.0 GWh | Apr 1989 | Sep 2023 | Water |
| Little Wood Hydro Project | Littlewood Irrigation District | Carey, ID | Idaho Power Company (IPCO) | 6.4 GWh | Jan 1985 | Sep 2023 | Water |
| Plummer Cogen | Stimson Lumber Company | Plummer, ID | Avista Corporation (AVA) | 8.8 GWh | Nov 1982 | Sep 2023 | Wood/Wood Waste Solids |
| North Gooding Main Hydro | North Gooding Main Hydro LLC | Gooding, ID | Idaho Power Company (IPCO) | 4.0 GWh | Sep 2016 | Sep 2023 | Water |
| Lower No 2 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 4.5 GWh | Jul 1940 | Oct 2023 | Water |
| South Forks Hydro | South Forks Joint Venture | Hansen, ID | Idaho Power Company (IPCO) | 29.8 GWh | Nov 1984 | Oct 2023 | Water |
| Koyle Ranch Hydroelectric Project | Koyle Hydro Inc | Gooding, ID | Idaho Power Company (IPCO) | 4.0 GWh | Nov 1983 | Oct 2023 | Water |
| Dietrich Drop | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 10.5 GWh | Jul 1990 | Oct 2023 | Water |
| Low Line Rapids | Lower Lowline LLC | Kimberly, ID | Idaho Power Company (IPCO) | 8.9 GWh | Jul 1990 | Oct 2023 | Water |
| Marco Ranch | Marco Power Inc | Jerome, ID | Idaho Power Company (IPCO) | 2.6 GWh | Jul 1985 | Oct 2023 | Water |
| Bypass | North Side Energy Company | Hazelton, ID | Idaho Power Company (IPCO) | 29.6 GWh | Feb 1987 | Oct 2023 | Water |
| S E Hazelton A | North Side Energy Company | Hazelton, ID | Idaho Power Company (IPCO) | 25.9 GWh | May 1990 | Oct 2023 | Water |
| Wilson Lake Hydroelectric Project | Hazelton/Wilson Joint Venture | Eden, ID | Idaho Power Company (IPCO) | 29.2 GWh | Apr 1993 | Oct 2023 | Water |
| Blind Canyon Hydro | Blind Canyon Aquaranch, Inc. | Wendell, ID | Idaho Power Company (IPCO) | 4.8 GWh | Mar 1992 | Oct 2023 | Water |
| Hazelton B Hydro | Hazelton/Wilson Joint Venture | Hazelton, ID | Idaho Power Company (IPCO) | 24.8 GWh | Mar 1993 | 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 |
| Mora Drop Hydroelectric Project | Boise-Kuna Irrigation District | Kuna, ID | Idaho Power Company (IPCO) | 4.8 GWh | May 2006 | Oct 2023 | Water |
| Fargo Drop | Riverside Investments LLC | Wilder, ID | Idaho Power Company (IPCO) | 3.9 GWh | Mar 2013 | Oct 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 |
| MC6 Hydro Facility | MC6 Hydro Facility | Kuna, ID | Idaho Power Company (IPCO) | 8.7 GWh | Mar 2021 | Oct 2023 | Water |
| Gem State | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 104.1 GWh | Oct 1988 | Dec 2023 | Water |
| American Falls | Idaho Power Co | American Falls, ID | Idaho Power Company (IPCO) | 262.2 GWh | Feb 1978 | Dec 2023 | Water |
| Bliss | Idaho Power Co | Bliss, ID | Idaho Power Company (IPCO) | 295.1 GWh | Oct 1949 | Dec 2023 | Water |
| Brownlee | Idaho Power Co | Cambridge, ID | Idaho Power Company (IPCO) | 2.1 TWh | Jul 1958 | Dec 2023 | Water |
| C J Strike | Idaho Power Co | Bruneau, ID | Idaho Power Company (IPCO) | 377.1 GWh | Feb 1952 | Dec 2023 | Water |
| Cascade Dam | Idaho Power Co | Cascade, ID | Idaho Power Company (IPCO) | 35.5 GWh | Nov 1983 | Dec 2023 | Water |
| Clear Lake | Idaho Power Co | Buhl, ID | Idaho Power Company (IPCO) | 8.4 GWh | Nov 1937 | Dec 2023 | Water |
| Lower Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 106.8 GWh | Sep 1948 | Dec 2023 | Water |
| Lower Salmon | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 187.9 GWh | Jan 1949 | Dec 2023 | Water |
| Shoshone Falls | Idaho Power Co | Twin Falls, ID | Idaho Power Company (IPCO) | 42.3 GWh | Jul 1907 | Dec 2023 | Water |
| Swan Falls | Idaho Power Co | Kuna, ID | Idaho Power Company (IPCO) | 113.0 GWh | Feb 1994 | Dec 2023 | Water |
| Thousand Springs | Idaho Power Co | Wendell, ID | Idaho Power Company (IPCO) | 54.2 GWh | Jul 1912 | Dec 2023 | Water |
| Twin Falls (ID) | Idaho Power Co | Kimberly, ID | Idaho Power Company (IPCO) | 37.1 GWh | Feb 1935 | Dec 2023 | Water |
| Upper Salmon A | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 81.7 GWh | Aug 1937 | Dec 2023 | Water |
| Upper Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 52.2 GWh | May 1948 | Dec 2023 | Water |
| Ashton | PacifiCorp | Ashton, ID | PacifiCorp East (PACE) | 30.2 GWh | Jun 1917 | Dec 2023 | Water |
| Grace | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 72.9 GWh | Jun 1923 | Dec 2023 | Water |
| Oneida | PacifiCorp | Riverdale, ID | PacifiCorp East (PACE) | 42.4 GWh | Jun 1915 | Dec 2023 | Water |
| Soda | PacifiCorp | Soda Springs, ID | PacifiCorp East (PACE) | 16.5 GWh | Jun 1924 | Dec 2023 | Water |
| Cabinet Gorge | Avista Corp | Clark Fork, ID | Avista Corporation (AVA) | 815.7 GWh | Aug 1952 | Dec 2023 | Water |
| Post Falls | Avista Corp | Post Falls, ID | Avista Corporation (AVA) | 48.0 GWh | Jun 1906 | Dec 2023 | Water |
| Dworshak | USACE Northwestern Division | Ahsahka, ID | Bonneville Power Administration (BPAT) | 1.4 TWh | Aug 1974 | Dec 2023 | Water |
| City Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 39.1 GWh | Jun 1982 | 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 |
| Palisades Dam | U S Bureau of Reclamation | Palisades, ID | Bonneville Power Administration (BPAT) | 564.6 GWh | Jan 1957 | Dec 2023 | Water |
| Albeni Falls | USACE Northwestern Division | Oldtown, ID | Bonneville Power Administration (BPAT) | 164.4 GWh | Apr 1955 | Dec 2023 | Water |
| Last Chance | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 3.4 GWh | Jan 1984 | Dec 2023 | Water |
| Island Park | Fall River Rural Elec Coop Inc | Island Park, ID | Bonneville Power Administration (BPAT) | 16.3 GWh | Mar 1994 | Dec 2023 | Water |
| Felt | Fall River Rural Elec Coop Inc | Felt, ID | PacifiCorp East (PACE) | 26.7 GWh | Aug 1946 | Dec 2023 | Water |
| Anderson Ranch | U S Bureau of Reclamation | Mountain Home, ID | Bonneville Power Administration (BPAT) | 121.6 GWh | Nov 1950 | Dec 2023 | Water |
| Black Canyon | U S Bureau of Reclamation | Emmet, ID | Bonneville Power Administration (BPAT) | 56.9 GWh | Nov 1925 | 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 |
| Minidoka | U S Bureau of Reclamation | Rupert, ID | Bonneville Power Administration (BPAT) | 59.4 GWh | May 1927 | Dec 2023 | Water |
| Moyie Springs | City of Bonners Ferry | Moyie Springs, ID | Bonneville Power Administration (BPAT) | 16.0 GWh | Nov 1921 | Dec 2023 | Water |
| Lower No 1 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 39.6 GWh | Mar 1982 | Dec 2023 | Water |
| Upper Salmon B | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 87.8 GWh | Aug 1947 | Dec 2023 | Water |
| Milner Hydro | Idaho Power Co | Murtaugh, ID | Idaho Power Company (IPCO) | 29.0 GWh | Aug 1992 | Dec 2023 | Water |
| Rathdrum | Avista Corp | Rathdrum, ID | Avista Corporation (AVA) | 779.3 GWh | Oct 1994 | Dec 2023 | Natural Gas |
| Evander Andrews Power Complex | Idaho Power Co | Mountain Home, ID | Idaho Power Company (IPCO) | 566.7 GWh | Aug 2001 | Dec 2023 | Natural Gas |
| Lucky Peak Power Plant Project | Boise-Kuna Irrigation District | Boise, ID | Idaho Power Company (IPCO) | 331.8 GWh | Sep 1988 | Dec 2023 | Water |
| Little Mac Project | Little Mac Power Company | Buhl, ID | Idaho Power Company (IPCO) | 4.5 GWh | Apr 1984 | Dec 2023 | Water |
| Birch Creek Power | Birch Power Co | Terreton, ID | PacifiCorp East (PACE) | 9.2 GWh | Mar 1986 | Dec 2023 | Water |
| Mink Creek Hydro | Mink Creek Hydro Entity | Preston, ID | PacifiCorp East (PACE) | 10.5 GWh | Nov 1986 | Dec 2023 | Water |
| Amalgamated Sugar Twin Falls | The Amalgamated Sugar Co | Twin Falls, ID | Idaho Power Company (IPCO) | 36.5 GWh | Nov 1948 | Dec 2023 | Natural Gas |
| Barber Dam | Central Rivers Power US, LLC | Boise, ID | Idaho Power Company (IPCO) | 9.2 GWh | Jul 1990 | Dec 2023 | Water |
| Crystal Springs | Crystal Springs Hydro Elec LP | Filer, ID | Idaho Power Company (IPCO) | 8.9 GWh | Dec 1987 | Dec 2023 | Water |
| Rock Creek II | Hydroland Omega LLC | Twin Falls, ID | Idaho Power Company (IPCO) | 5.8 GWh | Jul 1990 | Dec 2023 | Water |
| GeoBon II | Koosh, Inc. | Shoshone, ID | Idaho Power Company (IPCO) | 55.0 MWh | Aug 1986 | Dec 2023 | Water |
| Marsh Valley Development | Marsh Valley Development Inc | McCammon, ID | PacifiCorp East (PACE) | 6.9 GWh | Mar 1993 | Dec 2023 | Water |
| Rock Creek I | Shorock Hydro Inc | Twin Falls, ID | Idaho Power Company (IPCO) | 9.6 GWh | Aug 1983 | 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 |
| Dry Creek Project | Dry Creek LLC | Howe, ID | PacifiCorp East (PACE) | 12.5 GWh | Nov 1987 | Dec 2023 | Water |
| Horseshoe Bend Hydroelectric Co | Horseshoe Bend Hydroelectric Co | Horseshoe Bend, ID | Idaho Power Company (IPCO) | 35.5 GWh | Mar 1995 | Dec 2023 | Water |
| Falls River Hydro | Marysville Hydro Partners | Ashton, ID | Bonneville Power Administration (BPAT) | 44.2 GWh | Jul 1993 | Dec 2023 | Water |
| Ford Hydro LP | Ford Hydro Ltd Partnership | Weippe, ID | Avista Corporation (AVA) | 3.1 GWh | Feb 1988 | Dec 2023 | Water |
| Amalgamated Sugar LLC Nampa | Amalgamated Sugar Co-Nampa | Nampa, ID | Idaho Power Company (IPCO) | 49.3 GWh | Sep 1948 | Dec 2023 | Natural Gas |
| Lateral 10 Ventures | Lateral 10 Ventures | Buhl, ID | Idaho Power Company (IPCO) | 3.8 GWh | Oct 1984 | Dec 2023 | Water |
| Rathdrum Power LLC | Rathdrum Operating Services Co., Inc. | Rathdrum, ID | Avista Corporation (AVA) | 1.8 TWh | Aug 2001 | Dec 2023 | Natural Gas |
| Bennett Mountain | Idaho Power Co | Mountain Home, ID | Idaho Power Company (IPCO) | 725.6 GWh | Mar 2005 | Dec 2023 | Natural Gas |
| Wolverine Creek | Invenergy Services LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 134.7 GWh | Jan 2006 | Dec 2023 | Wind |
| Fossil Gulch | Greenbacker Renewable Energy Corporation | Hagerman, ID | Idaho Power Company (IPCO) | 24.5 GWh | Jan 2005 | Dec 2023 | Wind |
| Raft River Geothermal Power Plant | US Geothermal Inc. | Malta, ID | Bonneville Power Administration (BPAT) | 88.6 GWh | Dec 2007 | Dec 2023 | Geothermal |
| Burley Butte Windpark | Idaho Wind Partners 1 LLC | Burley, ID | Idaho Power Company (IPCO) | 49.5 GWh | Jan 2011 | Dec 2023 | Wind |
| Golden Valley Wind Park LLC | Idaho Wind Partners 1 LLC | Burley, ID | Idaho Power Company (IPCO) | 27.8 GWh | Dec 2010 | Dec 2023 | Wind |
| Milner Dam Wind Park LLC | Idaho Wind Partners 1 LLC | Burley, ID | Idaho Power Company (IPCO) | 46.6 GWh | Jan 2011 | Dec 2023 | Wind |
| Oregon Trail Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 34.6 GWh | Dec 2010 | Dec 2023 | Wind |
| Pilgrim Stage Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 31.8 GWh | Dec 2010 | Dec 2023 | Wind |
| Salmon Falls Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 57.2 GWh | Mar 2011 | Dec 2023 | Wind |
| 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 |
| Arrowrock Hydroelectric Project | Boise-Kuna Irrigation District | Boise, ID | Idaho Power Company (IPCO) | 55.9 GWh | Mar 2010 | Dec 2023 | Water |
| Payne's Ferry | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 59.8 GWh | Nov 2010 | Dec 2023 | Wind |
| Camp Reed | Idaho Wind Partners 1 LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 63.7 GWh | Nov 2010 | Dec 2023 | Wind |
| Yahoo Creek | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 60.9 GWh | Nov 2010 | Dec 2023 | Wind |
| Goshen Phase II | AE Power Services LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 316.8 GWh | Aug 2010 | Dec 2023 | Wind |
| Kettle Butte Digester, LLC | Kettle Butte Digester, LLC | Roberts, ID | PacifiCorp East (PACE) | 9.2 GWh | Apr 2011 | Dec 2023 | Other Biomass Gas |
| Big Sky Dairy Digester | DF-AP #1 LLC | Gooding, ID | Idaho Power Company (IPCO) | 9.4 GWh | Dec 2008 | Dec 2023 | Other Biomass Gas |
| Ryegrass Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 52.4 GWh | Nov 2012 | Dec 2023 | Wind |
| Hammett Hill Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 57.2 GWh | Nov 2012 | Dec 2023 | Wind |
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 | 657.7 GWh |
| Ada County, ID | # 11 | 11 | 634.6 GWh |
| Owyhee County, ID | # 12 | 3 | 420.5 GWh |
| Nez Perce County, ID | # 13 | 1 | 372.7 GWh |
| Cassia County, ID | # 14 | 10 | 259.9 GWh |
| Bingham County, ID | # 15 | 2 | 194.9 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 | 88.3 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 | 39.5 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 | 12.6 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 | 69.0 MWh |