| Brownlee | Idaho Power Co | Cambridge, ID | 2 TWh | Jul 1958 | Dec 2025 |
Water
|
| Hells Canyon | Idaho Power Co | Oxbow, OR | 2 TWh | Sep 1967 | Dec 2025 |
Water
|
| Langley Gulch Power Plant | Idaho Power Co | New Plymouth, ID | 2 TWh | May 2012 | May 2026 |
Natural Gas
|
| Bennett Mountain | Idaho Power Co | Mountain Home, ID | 999 GWh | Mar 2005 | Dec 2025 |
Natural Gas
|
| Oxbow (OR) | Idaho Power Co | Oxbow, OR | 990 GWh | Jun 1961 | Dec 2025 |
Water
|
| Evander Andrews Power Complex | Idaho Power Co | Mountain Home, ID | 926 GWh | Aug 2001 | Dec 2025 |
Natural Gas
|
| Matrix Pleasant Valley | Pleasant Valley Solar, LLC | Boise, ID | 504 GWh | Feb 2025 | May 2026 |
Solar
|
| C J Strike | Idaho Power Co | Bruneau, ID | 364 GWh | Feb 1952 | Dec 2025 |
Water
|
| Lucky Peak Power Plant Project | Boise-Kuna Irrigation District | Boise, ID | 311 GWh | Sep 1988 | Dec 2025 |
Water
|
| Elkhorn Valley Wind Farm | Telocaset Wind Power Partners | Union, OR | 306 GWh | Nov 2007 | Dec 2025 |
Wind
|
| Bliss (ID) | Idaho Power Co | Bliss, ID | 298 GWh | Oct 1949 | Dec 2025 |
Water
|
| Jackpot Solar, LLC | Duke Energy Renewables Services | Twin Falls, ID | 288 GWh | Nov 2022 | May 2026 |
Solar
|
| Franklin Solar Hybrid | Franklin Solar Idaho | Twin Falls, ID | 248 GWh | Apr 2024 | May 2026 |
Solar
|
| Rockland Wind Farm | Ridgeline Energy LLC | American Falls, ID | 219 GWh | Nov 2011 | Dec 2025 |
Wind
|
| American Falls | Idaho Power Co | American Falls, ID | 206 GWh | Feb 1978 | Dec 2025 |
Water
|
| Lower Salmon | Idaho Power Co | Hagerman, ID | 197 GWh | Jan 1949 | Dec 2025 |
Water
|
| Grand View Solar Two | Grand View PV Solar Two, LLC | Grand View, ID | 181 GWh | Nov 2016 | May 2026 |
Solar
|
| Neal Hot Springs Geothermal Project | US Geothermal Inc. | Vale, OR | 152 GWh | Oct 2012 | Dec 2025 |
Geothermal
|
| Swan Falls | Idaho Power Co | Kuna, ID | 110 GWh | Feb 1994 | Dec 2025 |
Water
|
| Lower Malad | Idaho Power Co | Hagerman, ID | 104 GWh | Sep 1948 | Dec 2025 |
Water
|
| Upper Salmon A | Idaho Power Co | Hagerman, ID | 93 GWh | Aug 1937 | Dec 2025 |
Water
|
| ID Solar | AES Distributed Energy | Kuna, ID | 92 GWh | Jul 2016 | Dec 2025 |
Solar
|
| Black Mesa Solar, LLC | Black Mesa Solar, LLC | King Hill, ID | 90 GWh | May 2023 | May 2026 |
Solar
|
| Pleasant Valley Solar 2 Project | PVS 2, LLC | Boise, ID | 90 GWh | - | May 2026 |
Solar
|
| Upper Salmon B | Idaho Power Co | Hagerman, ID | 89 GWh | Aug 1947 | Dec 2025 |
Water
|
| Simplot Leasing Don Plant | Simplot Leasing Corp | Pocatello, ID | 73 GWh | Jan 1986 | May 2026 |
Waste Heat
|
| High Mesa | High Mesa Energy, LLC | King Hill, ID | 68 GWh | Nov 2012 | May 2026 |
Wind
|
| Arrowrock Hydroelectric Project | Boise-Kuna Irrigation District | Boise, ID | 63 GWh | Mar 2010 | Dec 2025 |
Water
|
| Payne's Ferry | Idaho Wind Partners 1 LLC | Hagerman, ID | 59 GWh | Nov 2010 | Dec 2025 |
Wind
|
| Camp Reed | Idaho Wind Partners 1 LLC | Glenns Ferry, ID | 59 GWh | Nov 2010 | Dec 2025 |
Wind
|
| Yahoo Creek | Idaho Wind Partners 1 LLC | Hagerman, ID | 59 GWh | Nov 2010 | Dec 2025 |
Wind
|
| Salmon Falls Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | 58 GWh | Mar 2011 | Dec 2025 |
Wind
|
| Burley Butte Windpark | Idaho Wind Partners 1 LLC | Burley, ID | 56 GWh | Jan 2011 | Dec 2025 |
Wind
|
| Upper Malad | Idaho Power Co | Hagerman, ID | 55 GWh | May 1948 | Dec 2025 |
Water
|
| Two Ponds Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | 55 GWh | Nov 2012 | Dec 2025 |
Wind
|
| Desert Meadow Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | 54 GWh | Nov 2012 | Dec 2025 |
Wind
|
| Hammett Hill Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | 53 GWh | Nov 2012 | Dec 2025 |
Wind
|
| Mainline Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | 52 GWh | Nov 2012 | Dec 2025 |
Wind
|
| Shoshone Falls | Idaho Power Co | Twin Falls, ID | 52 GWh | Jul 1907 | Dec 2025 |
Water
|
| Thousand Springs | Idaho Power Co | Wendell, ID | 52 GWh | Jul 1912 | Dec 2025 |
Water
|
| Milner Dam Wind Park LLC | Idaho Wind Partners 1 LLC | Burley, ID | 51 GWh | Jan 2011 | Dec 2025 |
Wind
|
| Sawtooth Wind Project | Idaho Winds LLC | Glenns Ferry, ID | 50 GWh | Sep 2011 | Dec 2025 |
Wind
|
| Ryegrass Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | 49 GWh | Nov 2012 | Dec 2025 |
Wind
|
| Mt. Home Solar 1, LLC | Standard Solar | Pocatello, ID | 49 GWh | Feb 2017 | Dec 2025 |
Solar
|
| Simcoe Solar | Simcoe Solar | Mountain Home, ID | 48 GWh | Feb 2017 | May 2026 |
Solar
|
| Horseshoe Bend Hydroelectric Co | Horseshoe Bend Hydroelectric Co | Horseshoe Bend, ID | 47 GWh | Mar 1995 | Dec 2025 |
Water
|
| Amalgamated Sugar LLC Nampa | Amalgamated Sugar Co-Nampa | Nampa, ID | 47 GWh | Sep 1948 | Dec 2025 |
Natural Gas
|
| Cold Springs Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | 47 GWh | Nov 2012 | Dec 2025 |
Wind
|
| Orchard Ranch Solar | Orchard Ranch Solar, LLC | Kuna, ID | 46 GWh | Feb 2017 | May 2026 |
Solar
|
| American Falls Solar II | American Falls Solar II, LLC | American Falls, ID | 45 GWh | Feb 2017 | May 2026 |
Solar
|
| American Falls Solar | American Falls Solar LLC | American Falls, ID | 44 GWh | Feb 2017 | May 2026 |
Solar
|
| Twin Falls (ID) | Idaho Power Co | Kimberly, ID | 44 GWh | Feb 1935 | Dec 2025 |
Water
|
| Murphy Flat Solar | Murphy Flat Power, LLC | Murphy, ID | 43 GWh | Mar 2017 | May 2026 |
Solar
|
| Cascade Dam (ID) | Idaho Power Co | Cascade, ID | 40 GWh | Nov 1983 | Dec 2025 |
Water
|
| Bennett Creek Windfarm LLC - Mountain Home | Bennett Creek Windfarm LLC | Mountain Home, ID | 37 GWh | Jun 2008 | May 2026 |
Wind
|
| Cassia Gulch | Cassia Gulch Wind Park, LLC | Hagerman, ID | 35 GWh | Feb 2009 | May 2026 |
Wind
|
| Oregon Trail Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | 35 GWh | Dec 2010 | Dec 2025 |
Wind
|
| Milner Hydro | Idaho Power Co | Murtaugh, ID | 34 GWh | Aug 1992 | Dec 2025 |
Water
|
| Mountain Home | Hot Springs Windfarm, LLC | Mountain Home, ID | 31 GWh | Apr 2008 | May 2026 |
Wind
|
| Willow Spring Windfarm (Burnt River) | Willow Spring | Huntington, OR | 31 GWh | Feb 2017 | Dec 2025 |
Wind
|
| Baker City Solar | Adapture Renewables, Inc. | Baker City, OR | 30 GWh | Jan 2020 | Dec 2025 |
Solar
|
| Pilgrim Stage Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | 30 GWh | Dec 2010 | Dec 2025 |
Wind
|
| Thousand Springs Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | 29 GWh | Dec 2010 | Dec 2025 |
Wind
|
| Amalgamated Sugar Twin Falls | The Amalgamated Sugar Co | Twin Falls, ID | 29 GWh | Nov 1948 | Dec 2024 |
Natural Gas
|
| Bypass | North Side Energy Company | Hazelton, ID | 28 GWh | Feb 1987 | Oct 2025 |
Water
|
| Golden Valley Wind Park LLC | Idaho Wind Partners 1 LLC | Burley, ID | 28 GWh | Dec 2010 | Dec 2025 |
Wind
|
| Tuana Gulch Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | 27 GWh | Dec 2010 | Dec 2025 |
Wind
|
| Wilson Lake Hydroelectric Project | Hazelton/Wilson Joint Venture | Eden, ID | 27 GWh | Apr 1993 | Oct 2025 |
Water
|
| Tuana Springs | Tuana Springs Energy, LLC | Hagerman, ID | 27 GWh | Apr 2010 | May 2026 |
Wind
|
| Milner Butte LFGE | Southern Idaho Solid Waste | Burley, ID | 27 GWh | Sep 2018 | Dec 2025 |
Landfill Gas
|
| South Forks Hydro | South Forks Joint Venture | Hansen, ID | 26 GWh | Nov 1984 | Oct 2025 |
Water
|
| Benson Creek Windfarm (Burnt River) | Benson Creek | Huntington, OR | 26 GWh | Feb 2017 | Dec 2025 |
Wind
|
| Durbin Creek Windfarm (Burnt River) | Durbin Creek | Huntington, OR | 26 GWh | Feb 2017 | Dec 2025 |
Wind
|
| S E Hazelton A | North Side Energy Company | Hazelton, ID | 25 GWh | May 1990 | Oct 2025 |
Water
|
| Jett Creek Windfarm (Burnt River) | Jett Creek | Huntington, OR | 25 GWh | Feb 2017 | Dec 2025 |
Wind
|
| Prospector Windfarm (Burnt River) | Prospector | Huntington, OR | 24 GWh | Feb 2017 | Dec 2025 |
Wind
|
| Hazelton B Hydro | Hazelton/Wilson Joint Venture | Hazelton, ID | 23 GWh | Mar 1993 | Oct 2025 |
Water
|
| Open Range Solar Center, LLC | Cypress Creek Renewables | Nyssa, OR | 22 GWh | Aug 2016 | May 2026 |
Solar
|
| Thunderegg Solar Center, LLC | Cypress Creek Renewables | Nyssa, OR | 22 GWh | Oct 2016 | May 2026 |
Solar
|
| Vale Air Solar Center, LLC | Cypress Creek Renewables | Vale, OR | 21 GWh | Oct 2016 | May 2026 |
Solar
|
| Fossil Gulch | Greenbacker Renewable Energy Corporation | Hagerman, ID | 21 GWh | Jan 2005 | Dec 2025 |
Wind
|
| Hyline Solar Center, LLC | Cypress Creek Renewables | Ontario, OR | 19 GWh | Sep 2016 | May 2026 |
Solar
|
| Cassia Wind | Cassia Wind Farm, LLC | Hagerman, ID | 17 GWh | Feb 2009 | May 2026 |
Wind
|
| Magic Dam Hydroelectric Project | Wood Hydro, LLC | Shoshone, ID | 14 GWh | Apr 1989 | Jul 2025 |
Water
|
| West Point RNG | Camco International Group, Inc. | Wendell, ID | 14 GWh | Jul 2024 | Dec 2025 |
Other Biomass Gas
|
| Tamarack Energy | Tamarack Energy | New Meadows, ID | 14 GWh | May 1983 | May 2026 |
Wood/Wood Waste Solids
|
| Grove Solar Center, LLC | Cypress Creek Renewables | Vale, OR | 13 GWh | Aug 2016 | May 2026 |
Solar
|
| Bannock County LFG to Energy | Bannock County Landfill - (ID) | Pocatello, ID | 13 GWh | Apr 2014 | May 2026 |
Landfill Gas
|
| Dietrich Drop | Wood Hydro, LLC | Shoshone, ID | 12 GWh | Jul 1990 | Oct 2025 |
Water
|
| Clear Lake | Idaho Power Co | Buhl, ID | 12 GWh | Nov 1937 | Dec 2025 |
Water
|
| Railroad Solar Center, LLC | Cypress Creek Renewables | Ontario, OR | 10 GWh | Oct 2016 | May 2026 |
Solar
|
| Big Sky Dairy Digester | DF-AP #1 LLC | Gooding, ID | 9 GWh | Dec 2008 | Dec 2025 |
Other Biomass Gas
|
| Crystal Springs | Crystal Springs Hydro Elec LP | Filer, ID | 8 GWh | Dec 1987 | Dec 2025 |
Water
|
| MC6 Hydro Facility | MC6 Hydro Facility | Kuna, ID | 8 GWh | Mar 2021 | Oct 2025 |
Water
|
| Low Line Rapids | Lower Lowline LLC | Kimberly, ID | 8 GWh | Jul 1990 | Dec 2025 |
Water
|
| Ontario Solar Center | Adapture Renewables, Inc. | Ontario, OR | 7 GWh | Apr 2020 | Dec 2025 |
Solar
|
| Morgan Solar Center | Adapture Renewables, Inc. | Ontario, OR | 7 GWh | Apr 2020 | Dec 2025 |
Solar
|
| Verde Light Community Solar | Verde Light Community Solar LLC | Ontario, OR | 7 GWh | Nov 2023 | Dec 2025 |
Solar
|
| Barber Dam | Barber Pool Hydro LLC | Boise, ID | 7 GWh | Jul 1990 | Dec 2025 |
Water
|
| Brush Solar Center | Adapture Renewables, Inc. | Unity, OR | 6 GWh | Dec 2019 | Dec 2025 |
Solar
|
