Directory of Power Plants in Idaho
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Cargill B6 Biofactory | Pico Energy, LLC | Jerome, ID | Idaho Power Company (IPCO) | 635.0 MWh | Nov 2009 | Dec 2025 | Other Biomass Gas |
| Big Sky Dairy Digester | DF-AP #1 LLC | Gooding, ID | Idaho Power Company (IPCO) | 9.0 GWh | Dec 2008 | Dec 2025 | Other Biomass Gas |
| Ryegrass Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 48.7 GWh | Nov 2012 | Dec 2025 | Wind |
| Hammett Hill Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 53.1 GWh | Nov 2012 | Dec 2025 | Wind |
| Mainline Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 52.2 GWh | Nov 2012 | Dec 2025 | Wind |
| Desert Meadow Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 54.3 GWh | Nov 2012 | Dec 2025 | Wind |
| Cold Springs Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 46.6 GWh | Nov 2012 | Dec 2025 | Wind |
| Two Ponds Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 55.2 GWh | Nov 2012 | Dec 2025 | Wind |
| Sawtooth Wind Project | Idaho Winds LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 49.9 GWh | Sep 2011 | Dec 2025 | Wind |
| Power County Wind Park South | Power County Wind Park South LLC | American Falls, ID | PacifiCorp East (PACE) | 56.8 GWh | Nov 2011 | Dec 2025 | Wind |
| Power County Wind Park North | Power County Wind Park North LLC | American Falls, ID | PacifiCorp East (PACE) | 63.9 GWh | Nov 2011 | Dec 2025 | Wind |
| Rockland Wind Farm | Ridgeline Energy LLC | American Falls, ID | Idaho Power Company (IPCO) | 219.4 GWh | Nov 2011 | Dec 2025 | Wind |
| Hidden Hollow Energy | Hidden Hollow Energy LLC | Boise, ID | Idaho Power Company (IPCO) | 2.8 GWh | Dec 2006 | Dec 2025 | Landfill Gas |
| Horse Butte Wind I, LLC | Utah Associated Mun Power Sys | Iona, ID | Bonneville Power Administration (BPAT) | 158.0 GWh | Jul 2012 | Dec 2025 | Wind |
| Fighting Creek LFGTE Plant | Kootenai Renewable Energy LLC | Coeur d'Alene, ID | Avista Corporation (AVA) | 21.8 GWh | Feb 2012 | Dec 2025 | Landfill Gas |
| Meadow Creek Project Company | Ridgeline Energy LLC | Idaho Falls, ID | PacifiCorp East (PACE) | 292.3 GWh | Nov 2012 | Dec 2025 | Wind |
| Mt. Home Solar 1, LLC | Standard Solar | Pocatello, ID | Idaho Power Company (IPCO) | 48.5 GWh | Feb 2017 | Dec 2025 | Solar |
| ID Solar | AES Distributed Energy | Kuna, ID | Idaho Power Company (IPCO) | 92.2 GWh | Jul 2016 | Dec 2025 | Solar |
| Clif Bar Bakery of Twin Falls | Mondelez Global LLC (Twin Falls) | Twin Falls, ID | Idaho Power Company (IPCO) | 2.6 GWh | May 2019 | Dec 2025 | Solar |
| Milner Butte LFGE | Southern Idaho Solid Waste | Burley, ID | Idaho Power Company (IPCO) | 26.7 GWh | Sep 2018 | Dec 2025 | Landfill Gas |
| West Point RNG | Camco International Group, Inc. | Wendell, ID | Idaho Power Company (IPCO) | 13.7 GWh | Jul 2024 | Dec 2025 | Other Biomass Gas |
| South Forks Hydro | South Forks Joint Venture | Hansen, ID | Idaho Power Company (IPCO) | 26.3 GWh | Nov 1984 | Oct 2025 | Water |
| Koyle Ranch Hydroelectric Project | Koyle Hydro Inc | Gooding, ID | Idaho Power Company (IPCO) | 3.4 GWh | Nov 1983 | Oct 2025 | Water |
| Dietrich Drop | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 11.9 GWh | Jul 1990 | Oct 2025 | Water |
| Marco Ranch | Marco Power Inc | Jerome, ID | Idaho Power Company (IPCO) | 2.5 GWh | Jul 1985 | Oct 2025 | Water |
| GeoBon II | Koosh, Inc. | Shoshone, ID | Idaho Power Company (IPCO) | 54.0 MWh | Aug 1986 | Oct 2025 | Water |
| Bypass | North Side Energy Company | Hazelton, ID | Idaho Power Company (IPCO) | 28.2 GWh | Feb 1987 | Oct 2025 | Water |
| S E Hazelton A | North Side Energy Company | Hazelton, ID | Idaho Power Company (IPCO) | 24.9 GWh | May 1990 | Oct 2025 | Water |
| Wilson Lake Hydroelectric Project | Hazelton/Wilson Joint Venture | Eden, ID | Idaho Power Company (IPCO) | 27.3 GWh | Apr 1993 | Oct 2025 | Water |
| Blind Canyon Hydro | Blind Canyon Aquaranch, Inc. | Wendell, ID | Idaho Power Company (IPCO) | 3.7 GWh | Mar 1992 | Oct 2025 | Water |
| Hazelton B Hydro | Hazelton/Wilson Joint Venture | Hazelton, ID | Idaho Power Company (IPCO) | 23.3 GWh | Mar 1993 | Oct 2025 | Water |
| Mile 28 Water Power Project | Wood Hydro, LLC | Eden, ID | Idaho Power Company (IPCO) | 5.3 GWh | May 1994 | Oct 2025 | Water |
| Mora Drop Hydroelectric Project | Boise Project Board of Control | Kuna, ID | Idaho Power Company (IPCO) | 4.6 GWh | May 2006 | Oct 2025 | Water |
| Fargo Drop | Boise Project Board of Control | Wilder, ID | Idaho Power Company (IPCO) | 3.8 GWh | Mar 2013 | Oct 2025 | Water |
| Head of U Canal Hydro Project | North Side Energy Company | Jerome, ID | Idaho Power Company (IPCO) | 4.6 GWh | May 2015 | Oct 2025 | Water |
| North Gooding Main Hydro | North Gooding Main Hydro LLC | Gooding, ID | Idaho Power Company (IPCO) | 4.6 GWh | Sep 2016 | Oct 2025 | Water |
| MC6 Hydro Facility | MC6 Hydro Facility | Kuna, ID | Idaho Power Company (IPCO) | 8.4 GWh | Mar 2021 | Oct 2025 | Water |
| AJMS, LLC | AJMS, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 3.4 GWh | Sep 2015 | Oct 2025 | Water |
| Little Wood Hydro Project | Littlewood Irrigation District | Carey, ID | Idaho Power Company (IPCO) | 2.5 GWh | Jan 1985 | Aug 2025 | Water |
| Magic Dam Hydroelectric Project | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 14.3 GWh | Apr 1989 | Jul 2025 | Water |
| Amalgamated Sugar Twin Falls | The Amalgamated Sugar Co | Twin Falls, ID | Idaho Power Company (IPCO) | 28.5 GWh | Nov 1948 | Dec 2024 | Natural Gas |
| Kettle Butte Digester, LLC | Kettle Butte Digester, LLC | Roberts, ID | PacifiCorp East (PACE) | 9.2 GWh | Apr 2011 | Dec 2024 | Other Biomass Gas |
Browse Power Plants By Idaho Counties
Figures are based on May 2026 generation numbers.| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Lemhi County, ID | # 35 | 1 | 56.0 MWh |
| Butte County, ID | # 34 | 1 | 7.8 GWh |
| Jefferson County, ID | # 33 | 1 | 9.2 GWh |
| Clark County, ID | # 32 | 2 | 10.4 GWh |
| Adams County, ID | # 31 | 1 | 13.7 GWh |
| Lincoln County, ID | # 30 | 3 | 15.3 GWh |
| Blaine County, ID | # 29 | 2 | 16.8 GWh |
| Teton County, ID | # 28 | 2 | 24.2 GWh |
| Madison County, ID | # 27 | 1 | 37.7 GWh |
| Canyon County, ID | # 26 | 4 | 39.5 GWh |
| Valley County, ID | # 25 | 1 | 40.3 GWh |
| Boise County, ID | # 24 | 1 | 46.8 GWh |
| Franklin County, ID | # 23 | 2 | 48.1 GWh |
| Gem County, ID | # 22 | 2 | 62.9 GWh |
| Fremont County, ID | # 21 | 4 | 87.8 GWh |
| Bannock County, ID | # 20 | 4 | 89.2 GWh |
| Minidoka County, ID | # 19 | 2 | 98.8 GWh |
| Caribou County, ID | # 18 | 4 | 102.4 GWh |
| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Boundary County, ID | # 17 | 2 | 108.6 GWh |
| Jerome County, ID | # 16 | 13 | 168.0 GWh |
| Cassia County, ID | # 15 | 10 | 282.9 GWh |
| Owyhee County, ID | # 14 | 3 | 401.1 GWh |
| Nez Perce County, ID | # 13 | 1 | 473.0 GWh |
| Bingham County, ID | # 12 | 2 | 504.9 GWh |
| Power County, ID | # 11 | 6 | 635.3 GWh |
| Gooding County, ID | # 10 | 14 | 773.4 GWh |
| Bonner County, ID | # 9 | 2 | 1.1 TWh |
| Ada County, ID | # 8 | 14 | 1.2 TWh |
| Twin Falls County, ID | # 7 | 40 | 1.3 TWh |
| Clearwater County, ID | # 6 | 2 | 1.5 TWh |
| Payette County, ID | # 5 | 1 | 1.7 TWh |
| Bonneville County, ID | # 4 | 13 | 1.8 TWh |
| Washington County, ID | # 3 | 2 | 2.3 TWh |
| Kootenai County, ID | # 2 | 4 | 2.6 TWh |
| Elmore County, ID | # 1 | 26 | 2.9 TWh |