Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Blind Canyon Hydro | Blind Canyon Aquaranch, Inc. | Wendell, ID | Idaho Power Company (IPCO) | 3.7 GWh | Mar 1992 | 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 |
| Bypass | North Side Energy Company | Hazelton, ID | Idaho Power Company (IPCO) | 28.2 GWh | Feb 1987 | Oct 2025 | Water |
| Lateral 10 Ventures | Lateral 10 Ventures | Buhl, ID | Idaho Power Company (IPCO) | 565.0 MWh | Oct 1984 | Dec 2025 | Water |
| Horseshoe Bend Hydroelectric Co | Horseshoe Bend Hydroelectric Co | Horseshoe Bend, ID | Idaho Power Company (IPCO) | 46.8 GWh | Mar 1995 | Dec 2025 | Water |
| Amalgamated Sugar LLC Nampa | Amalgamated Sugar Co-Nampa | Nampa, ID | Idaho Power Company (IPCO) | 46.8 GWh | Sep 1948 | Dec 2025 | Natural Gas |
| Wilson Lake Hydroelectric Project | Hazelton/Wilson Joint Venture | Eden, ID | Idaho Power Company (IPCO) | 27.3 GWh | Apr 1993 | Oct 2025 | Water |
| Hazelton B Hydro | Hazelton/Wilson Joint Venture | Hazelton, ID | Idaho Power Company (IPCO) | 23.3 GWh | Mar 1993 | Oct 2025 | Water |
| GeoBon II | Koosh, Inc. | Shoshone, ID | Idaho Power Company (IPCO) | 54.0 MWh | Aug 1986 | Oct 2025 | Water |
| Little Wood Hydro Project | Littlewood Irrigation District | Carey, ID | Idaho Power Company (IPCO) | 2.5 GWh | Jan 1985 | Aug 2025 | Water |
| Mile 28 Water Power Project | Wood Hydro, LLC | Eden, ID | Idaho Power Company (IPCO) | 5.3 GWh | May 1994 | Oct 2025 | Water |
| Rock Creek I | Shorock Hydro Inc | Twin Falls, ID | Idaho Power Company (IPCO) | 86.0 MWh | Aug 1983 | Dec 2025 | Water |
| Upper Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 55.3 GWh | May 1948 | Dec 2025 | Water |
| Upper Salmon A | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 92.6 GWh | Aug 1937 | Dec 2025 | Water |
| Twin Falls (ID) | Idaho Power Co | Kimberly, ID | Idaho Power Company (IPCO) | 43.5 GWh | Feb 1935 | Dec 2025 | Water |
| Thousand Springs | Idaho Power Co | Wendell, ID | Idaho Power Company (IPCO) | 51.8 GWh | Jul 1912 | Dec 2025 | Water |
| Bliss (ID) | Idaho Power Co | Bliss, ID | Idaho Power Company (IPCO) | 297.7 GWh | Oct 1949 | Dec 2025 | Water |
| Brownlee | Idaho Power Co | Cambridge, ID | Idaho Power Company (IPCO) | 2.3 TWh | Jul 1958 | Dec 2025 | Water |
| Swan Falls | Idaho Power Co | Kuna, ID | Idaho Power Company (IPCO) | 110.0 GWh | Feb 1994 | Dec 2025 | Water |
| Shoshone Falls | Idaho Power Co | Twin Falls, ID | Idaho Power Company (IPCO) | 51.9 GWh | Jul 1907 | Dec 2025 | Water |
| Salmon Diesel | Idaho Power Co | Salmon, ID | Idaho Power Company (IPCO) | 56.0 MWh | Nov 1967 | May 2026 | Distillate Fuel Oil |
| Lower Salmon | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 196.7 GWh | Jan 1949 | Dec 2025 | Water |
| Lower Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 104.4 GWh | Sep 1948 | Dec 2025 | Water |
| Clear Lake | Idaho Power Co | Buhl, ID | Idaho Power Company (IPCO) | 11.8 GWh | Nov 1937 | Dec 2025 | Water |
| American Falls | Idaho Power Co | American Falls, ID | Idaho Power Company (IPCO) | 206.3 GWh | Feb 1978 | Dec 2025 | Water |
| C J Strike | Idaho Power Co | Bruneau, ID | Idaho Power Company (IPCO) | 364.1 GWh | Feb 1952 | Dec 2025 | Water |
| Cascade Dam (ID) | Idaho Power Co | Cascade, ID | Idaho Power Company (IPCO) | 40.3 GWh | Nov 1983 | Dec 2025 | Water |
| Hells Canyon | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 2.0 TWh | Sep 1967 | Dec 2025 | Water |
| Oxbow (OR) | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 990.3 GWh | Jun 1961 | Dec 2025 | Water |
| Milner Hydro | Idaho Power Co | Murtaugh, ID | Idaho Power Company (IPCO) | 33.7 GWh | Aug 1992 | Dec 2025 | Water |
| Upper Salmon B | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 89.1 GWh | Aug 1947 | Dec 2025 | Water |
| Boise R Diversion | U S Bureau of Reclamation | Boise, ID | Idaho Power Company (IPCO) | 73.0 MWh | May 2004 | Dec 2025 | Water |
| Burley Butte Windpark | Idaho Wind Partners 1 LLC | Burley, ID | Idaho Power Company (IPCO) | 56.0 GWh | Jan 2011 | Dec 2025 | Wind |
| Salmon Falls Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 58.3 GWh | Mar 2011 | Dec 2025 | Wind |
| Pilgrim Stage Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 30.1 GWh | Dec 2010 | Dec 2025 | Wind |
| Thousand Springs Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 28.6 GWh | Dec 2010 | Dec 2025 | Wind |
| Mora Drop Hydroelectric Project | Boise Project Board of Control | Kuna, ID | Idaho Power Company (IPCO) | 4.6 GWh | May 2006 | Oct 2025 | Water |
| Oregon Trail Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 34.9 GWh | Dec 2010 | Dec 2025 | Wind |
| Milner Dam Wind Park LLC | Idaho Wind Partners 1 LLC | Burley, ID | Idaho Power Company (IPCO) | 50.5 GWh | Jan 2011 | Dec 2025 | Wind |
| Golden Valley Wind Park LLC | Idaho Wind Partners 1 LLC | Burley, ID | Idaho Power Company (IPCO) | 27.9 GWh | Dec 2010 | Dec 2025 | Wind |
| Tuana Gulch Wind Park | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 27.4 GWh | Dec 2010 | Dec 2025 | Wind |
| Bennett Mountain | Idaho Power Co | Mountain Home, ID | Idaho Power Company (IPCO) | 999.1 GWh | Mar 2005 | Dec 2025 | Natural Gas |
| Fossil Gulch | Greenbacker Renewable Energy Corporation | Hagerman, ID | Idaho Power Company (IPCO) | 20.7 GWh | Jan 2005 | Dec 2025 | Wind |
| Amalgamated Sugar Twin Falls | The Amalgamated Sugar Co | Twin Falls, ID | Idaho Power Company (IPCO) | 20.6 GWh | Nov 1948 | Dec 2025 | Natural Gas |
| Marco Ranch | Marco Power Inc | Jerome, ID | Idaho Power Company (IPCO) | 2.5 GWh | Jul 1985 | Oct 2025 | Water |
| Lucky Peak Power Plant Project | Boise-Kuna Irrigation District | Boise, ID | Idaho Power Company (IPCO) | 311.2 GWh | Sep 1988 | Dec 2025 | Water |
| Crystal Springs | Crystal Springs Hydro Elec LP | Filer, ID | Idaho Power Company (IPCO) | 8.5 GWh | Dec 1987 | Dec 2025 | Water |
| Dietrich Drop | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 11.9 GWh | Jul 1990 | Oct 2025 | Water |
| Koyle Ranch Hydroelectric Project | Koyle Hydro Inc | Gooding, ID | Idaho Power Company (IPCO) | 3.4 GWh | Nov 1983 | Oct 2025 | Water |
| Low Line Rapids | Lower Lowline LLC | Kimberly, ID | Idaho Power Company (IPCO) | 8.3 GWh | Jul 1990 | Dec 2025 | Water |
| Simplot Leasing Don Plant | Simplot Leasing Corp | Pocatello, ID | Idaho Power Company (IPCO) | 77.7 GWh | Jan 1986 | Aug 2026 | Waste Heat |
| Evander Andrews Power Complex | Idaho Power Co | Mountain Home, ID | Idaho Power Company (IPCO) | 926.4 GWh | Aug 2001 | Dec 2025 | Natural Gas |
| Tunnel 1 Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 21.1 GWh | May 1993 | Oct 2025 | Water |
| Barber Dam | Barber Pool Hydro LLC | Boise, ID | Idaho Power Company (IPCO) | 6.7 GWh | Jul 1990 | Dec 2025 | Water |
| South Forks Hydro | South Forks Joint Venture | Hansen, ID | Idaho Power Company (IPCO) | 26.3 GWh | Nov 1984 | Oct 2025 | Water |
| Owyhee Dam Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 28.2 GWh | Jul 1985 | Oct 2025 | Water |
| Michell Butte Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 6.6 GWh | Apr 1989 | Oct 2025 | Water |
| Magic Dam Hydroelectric Project | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 14.3 GWh | Apr 1989 | Jul 2025 | Water |
| Tamarack Energy | Tamarack Energy | New Meadows, ID | Idaho Power Company (IPCO) | 13.8 GWh | May 1983 | Aug 2026 | Wood/Wood Waste Solids |
| Little Mac Project | Little Mac Power Company | Buhl, ID | Idaho Power Company (IPCO) | 4.3 GWh | Apr 1984 | Dec 2025 | Water |
| Payne's Ferry | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 59.2 GWh | Nov 2010 | Dec 2025 | Wind |
| Camp Reed | Idaho Wind Partners 1 LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 59.0 GWh | Nov 2010 | 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 |
| Elkhorn Valley Wind Farm | Telocaset Wind Power Partners | Union, OR | Idaho Power Company (IPCO) | 305.8 GWh | Nov 2007 | Dec 2025 | Wind |
| Cassia Gulch | Cassia Gulch Wind Park, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 34.4 GWh | Feb 2009 | Aug 2026 | Wind |
| Cassia Wind | Cassia Wind Farm, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 16.9 GWh | Feb 2009 | Aug 2026 | Wind |
| Cargill B6 Biofactory | Pico Energy, LLC | Jerome, ID | Idaho Power Company (IPCO) | 635.0 MWh | Nov 2009 | Dec 2025 | Other Biomass Gas |
| Two Ponds Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 55.2 GWh | Nov 2012 | Dec 2025 | Wind |
| Yahoo Creek | Idaho Wind Partners 1 LLC | Hagerman, ID | Idaho Power Company (IPCO) | 58.8 GWh | Nov 2010 | Dec 2025 | Wind |
| Big Sky Dairy Digester | DF-AP #1 LLC | Gooding, ID | Idaho Power Company (IPCO) | 9.0 GWh | Dec 2008 | Dec 2025 | Other Biomass Gas |
| Bennett Creek Windfarm LLC - Mountain Home | Bennett Creek Windfarm LLC | Mountain Home, ID | Idaho Power Company (IPCO) | 35.8 GWh | Jun 2008 | Aug 2026 | Wind |
| 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 |
| Arrowrock Hydroelectric Project | Boise-Kuna Irrigation District | Boise, ID | Idaho Power Company (IPCO) | 63.2 GWh | Mar 2010 | Dec 2025 | Water |
| Desert Meadow Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 54.3 GWh | Nov 2012 | Dec 2025 | Wind |
| Langley Gulch Power Plant | Idaho Power Co | New Plymouth, ID | Idaho Power Company (IPCO) | 1.7 TWh | May 2012 | Aug 2026 | Natural Gas |
| Mountain Home | Hot Springs Windfarm, LLC | Mountain Home, ID | Idaho Power Company (IPCO) | 30.0 GWh | Apr 2008 | Aug 2026 | Wind |
| Tuana Springs | Tuana Springs Energy, LLC | Hagerman, ID | Idaho Power Company (IPCO) | 27.1 GWh | Apr 2010 | Aug 2026 | Wind |
| American Falls Solar II | American Falls Solar II, LLC | American Falls, ID | Idaho Power Company (IPCO) | 44.7 GWh | Feb 2017 | Aug 2026 | Solar |
| Prospector Windfarm (Burnt River) | Prospector | Huntington, OR | Idaho Power Company (IPCO) | 23.5 GWh | Feb 2017 | Dec 2025 | Wind |
| Benson Creek Windfarm (Burnt River) | Benson Creek | Huntington, OR | Idaho Power Company (IPCO) | 26.3 GWh | Feb 2017 | Dec 2025 | Wind |
| Bannock County LFG to Energy | Bannock County Landfill - (ID) | Pocatello, ID | Idaho Power Company (IPCO) | 12.5 GWh | Apr 2014 | Aug 2026 | Landfill Gas |
| Grand View Solar Two | Grand View PV Solar Two, LLC | Grand View, ID | Idaho Power Company (IPCO) | 171.9 GWh | Nov 2016 | Aug 2026 | Solar |
| Mt. Home Solar 1, LLC | Standard Solar | Pocatello, ID | Idaho Power Company (IPCO) | 48.5 GWh | Feb 2017 | Dec 2025 | Solar |
| Durbin Creek Windfarm (Burnt River) | Durbin Creek | Huntington, OR | Idaho Power Company (IPCO) | 25.9 GWh | Feb 2017 | Dec 2025 | Wind |
| American Falls Solar | American Falls Solar LLC | American Falls, ID | Idaho Power Company (IPCO) | 43.3 GWh | Feb 2017 | Aug 2026 | Solar |
| Orchard Ranch Solar | Orchard Ranch Solar, LLC | Kuna, ID | Idaho Power Company (IPCO) | 44.6 GWh | Feb 2017 | Aug 2026 | Solar |
| Willow Spring Windfarm (Burnt River) | Willow Spring | Huntington, OR | Idaho Power Company (IPCO) | 30.5 GWh | Feb 2017 | Dec 2025 | Wind |
| Murphy Flat Solar | Murphy Flat Power, LLC | Murphy, ID | Idaho Power Company (IPCO) | 39.5 GWh | Mar 2017 | Aug 2026 | Solar |
| Jett Creek Windfarm (Burnt River) | Jett Creek | Huntington, OR | Idaho Power Company (IPCO) | 24.8 GWh | Feb 2017 | Dec 2025 | Wind |
| 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 |
| Sawtooth Wind Project | Idaho Winds LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 49.9 GWh | Sep 2011 | Dec 2025 | Wind |
| Lime Wind | Lime Wind LLC | Huntington, OR | Idaho Power Company (IPCO) | 5.4 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 |
| Neal Hot Springs Geothermal Project | US Geothermal Inc. | Vale, OR | Idaho Power Company (IPCO) | 152.3 GWh | Oct 2012 | Dec 2025 | Geothermal |
| High Mesa | High Mesa Energy, LLC | King Hill, ID | Idaho Power Company (IPCO) | 67.4 GWh | Nov 2012 | Aug 2026 | Wind |
| Fargo Drop | Boise Project Board of Control | Wilder, ID | Idaho Power Company (IPCO) | 3.8 GWh | Mar 2013 | Oct 2025 | Water |
Summary of Power Plants By State
Figures are based on August 2026 generation numbers.| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 80 | 13,897.78 GWh |
| Alaska | # 48 | 146 | 672.99 GWh |
| Arizona | # 10 | 203 | 13,589.64 GWh |
| Arkansas | # 23 | 122 | 7,027.75 GWh |
| California | # 3 | 1,840 | 24,164.86 GWh |
| Colorado | # 30 | 321 | 5,322.30 GWh |
| Connecticut | # 34 | 180 | 4,400.98 GWh |
| Delaware | # 49 | 35 | 555.40 GWh |
| District of Columbia | # 51 | 19 | 21.71 GWh |
| Florida | # 2 | 345 | 28,185.93 GWh |
| Georgia | # 6 | 261 | 15,282.60 GWh |
| Hawaii | # 47 | 73 | 863.62 GWh |
| Idaho | # 43 | 152 | 1,754.56 GWh |
| Illinois | # 5 | 556 | 18,683.36 GWh |
| Indiana | # 17 | 226 | 9,970.06 GWh |
| Iowa | # 27 | 301 | 5,759.64 GWh |
| Kansas | # 26 | 191 | 6,368.18 GWh |
| Kentucky | # 21 | 63 | 7,221.26 GWh |
| Louisiana | # 14 | 93 | 10,670.45 GWh |
| Maine | # 45 | 250 | 1,285.31 GWh |
| Maryland | # 37 | 236 | 3,745.22 GWh |
| Massachusetts | # 41 | 679 | 1,958.59 GWh |
| Michigan | # 12 | 288 | 12,064.19 GWh |
| Minnesota | # 32 | 794 | 5,047.38 GWh |
| Mississippi | # 19 | 62 | 8,358.70 GWh |
| Missouri | # 22 | 134 | 7,125.71 GWh |
| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,266.60 GWh |
| Nebraska | # 39 | 132 | 3,448.00 GWh |
| Nevada | # 29 | 117 | 5,523.31 GWh |
| New Hampshire | # 42 | 60 | 1,901.10 GWh |
| New Jersey | # 25 | 409 | 6,440.88 GWh |
| New Mexico | # 33 | 166 | 4,571.47 GWh |
| New York | # 11 | 1,087 | 13,130.21 GWh |
| North Carolina | # 8 | 921 | 14,263.55 GWh |
| North Dakota | # 38 | 62 | 3,579.89 GWh |
| Ohio | # 7 | 216 | 14,448.49 GWh |
| Oklahoma | # 13 | 153 | 10,965.38 GWh |
| Oregon | # 31 | 292 | 5,257.14 GWh |
| Pennsylvania | # 4 | 270 | 23,772.83 GWh |
| Rhode Island | # 46 | 108 | 924.31 GWh |
| South Carolina | # 16 | 214 | 9,989.71 GWh |
| South Dakota | # 44 | 53 | 1,486.65 GWh |
| Tennessee | # 18 | 101 | 8,430.26 GWh |
| Texas | # 1 | 1,069 | 65,726.98 GWh |
| Utah | # 36 | 131 | 4,074.82 GWh |
| Vermont | # 50 | 118 | 175.56 GWh |
| Virginia | # 15 | 255 | 10,241.54 GWh |
| Washington | # 20 | 137 | 8,189.60 GWh |
| West Virginia | # 28 | 41 | 5,593.74 GWh |
| Wisconsin | # 24 | 272 | 6,683.19 GWh |
| Wyoming | # 35 | 71 | 4,322.19 GWh |