Directory of Power Plants in Wyoming
Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
---|---|---|---|---|---|---|---|
Boysen | U S Bureau of Reclamation | Thermopolis, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 70.3 GWh | Jul 1952 | Dec 2024 | Water |
Spirit Mountain | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 17.3 GWh | Sep 1994 | Oct 2024 | Water |
Fremont Canyon | U S Bureau of Reclamation | Alcova, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 227.7 GWh | Nov 1960 | Dec 2024 | Water |
Glendo | U S Bureau of Reclamation | Glendo, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 87.7 GWh | Nov 1958 | Dec 2024 | Water |
Guernsey | U S Bureau of Reclamation | Guernsey, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 18.0 GWh | Jun 1927 | Dec 2024 | Water |
Kortes | U S Bureau of Reclamation | Sinclair, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 155.4 GWh | May 1950 | Dec 2024 | Water |
Seminoe | U S Bureau of Reclamation | Sinclair, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 137.0 GWh | Jul 1939 | Dec 2024 | Water |
Shoshone (WY) | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 17.6 GWh | Mar 1922 | Dec 2024 | Water |
Fontenelle | U S Bureau of Reclamation | Le Barge, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 53.3 GWh | Apr 1968 | Dec 2024 | Water |
Buffalo Bill | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 66.2 GWh | Aug 1992 | Dec 2024 | Water |
Alcova | U S Bureau of Reclamation | Alcova, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 119.2 GWh | Jun 1955 | Dec 2024 | Water |
Heart Mountain | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 21.0 GWh | Nov 1948 | Dec 2024 | Water |
TransAlta Wyoming Wind | TransAlta Wyoming Wind LLC | Evanston, WY | PacifiCorp East (PACE) | 318.8 GWh | Nov 2003 | Dec 2024 | Wind |
General Chemical | Tata Chemicals Partners | Green River, WY | PacifiCorp East (PACE) | 199.4 GWh | Apr 1968 | Apr 2025 | Bituminous Coal : 76.0% Natural Gas : 24.0% |
Medicine Bow | SRIV Partnership LLC | Medicine Bow, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 11.1 GWh | Mar 1998 | Oct 2024 | Wind |
South Cheyenne Solar | Southern Power Co | South Greeley, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 338.2 GWh | Mar 2024 | Apr 2025 | Solar |
Simplot Phosphates | Simplot Phosphates LLC | Rock Springs, WY | PacifiCorp East (PACE) | 98.4 GWh | Jul 1986 | Apr 2025 | Other Fuel : 90.9% Natural Gas : 9.1% |
Garland Canal Power Plant | Shoshone Irrigation District | Powell, WY | PacifiCorp East (PACE) | 9.5 GWh | Aug 1983 | Apr 2025 | Water |
Roundhouse Wind Energy Project | Roundhouse Renewable Energy, LLC | Cheyenne, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 852.2 GWh | May 2020 | Apr 2025 | Wind |
Roundhouse Renewable Energy II | Roundhouse Renewable Energy II, LLC | Granite, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 393.0 GWh | Nov 2023 | Apr 2025 | Wind |
Dunlap | PacifiCorp | Medicine Bow, WY | PacifiCorp East (PACE) | 366.5 GWh | Sep 2010 | Dec 2024 | Wind |
Foote Creek I | PacifiCorp | McFadden, WY | PacifiCorp East (PACE) | 215.5 GWh | Mar 1999 | Dec 2023 | Wind |
Foote Creek III | PacifiCorp | McFadden, WY | PacifiCorp East (PACE) | 14.6 GWh | May 1999 | Dec 2023 | Wind |
Foote Creek IV | PacifiCorp | Rock River, WY | PacifiCorp East (PACE) | 11.6 GWh | Jul 2000 | Dec 2023 | Wind |
Glenrock | PacifiCorp | Glenrock, WY | PacifiCorp East (PACE) | 400.8 GWh | Nov 2008 | Dec 2024 | Wind |
Seven Mile Hill | PacifiCorp | Medicine Bow, WY | PacifiCorp East (PACE) | 399.8 GWh | Nov 2008 | Dec 2024 | Wind |
McFadden Ridge | PacifiCorp | Rock River, WY | PacifiCorp East (PACE) | 84.1 GWh | Sep 2009 | Dec 2024 | Wind |
High Plains | PacifiCorp | Rock River, WY | PacifiCorp East (PACE) | 274.1 GWh | Aug 2009 | Dec 2024 | Wind |
Rolling Hills | PacifiCorp | Glenrock, WY | PacifiCorp East (PACE) | 244.8 GWh | Dec 2008 | Dec 2024 | Wind |
TB Flats | PacifiCorp | Medicine Bow, WY | PacifiCorp East (PACE) | 1.4 TWh | Sep 2021 | Apr 2025 | Wind |
Ekola Flats | PacifiCorp | Hanna, WY | PacifiCorp East (PACE) | 770.0 GWh | Nov 2020 | Apr 2025 | Wind |
Cedar Springs II | PacifiCorp | Douglas, WY | PacifiCorp East (PACE) | 618.5 GWh | Nov 2020 | Apr 2025 | Wind |
Foote Creek Rim | PacifiCorp | McFadden, WY | PacifiCorp East (PACE) | 309.7 GWh | Nov 2024 | Apr 2025 | Wind |
Wyodak | PacifiCorp | Gillette, WY | PacifiCorp East (PACE) | 1.9 TWh | Aug 1978 | Apr 2025 | Subbituminous Coal : 99.9% |
Naughton | PacifiCorp | Kemmerer, WY | PacifiCorp East (PACE) | 2.5 TWh | Apr 1963 | Apr 2025 | Subbituminous Coal : 55.6% Natural Gas : 44.4% |
Dave Johnston | PacifiCorp | Glen Rock, WY | PacifiCorp East (PACE) | 4.2 TWh | Jan 1959 | Apr 2025 | Subbituminous Coal : 99.8% |
Jim Bridger | PacifiCorp | Point of Rocks, WY | PacifiCorp East (PACE) | 7.9 TWh | Oct 1974 | Apr 2025 | Subbituminous Coal : 56.5% Natural Gas : 43.5% |
Sweetwater Solar | Onward Energy | Green River, WY | PacifiCorp East (PACE) | 180.0 GWh | Nov 2018 | Apr 2025 | Solar |
Lake (WY) | NorthWestern Energy (MT wind/thermal) | Yellowstone, WY | NorthWestern Corporation (NWMT) | 515.0 MWh | Aug 1967 | Dec 2024 | Distillate Fuel Oil |
Old Faithful | NorthWestern Energy (MT wind/thermal) | Yellowstone, WY | NorthWestern Corporation (NWMT) | 273.0 MWh | Nov 1979 | Dec 2024 | Distillate Fuel Oil |
Mountain Wind Power LLC | Mountain Wind Power LLC | Fort Bridger, WY | PacifiCorp East (PACE) | 138.2 GWh | Jun 2008 | Apr 2025 | Wind |
Mountain Wind Power II LLC | Mountain Wind Power II LLC | Fort Bridger, WY | PacifiCorp East (PACE) | 172.1 GWh | Aug 2008 | Apr 2025 | Wind |
Strawberry Creek | Lower Valley Energy Inc | Bedford, WY | Bonneville Power Administration (BPAT) | 9.4 GWh | Jul 1940 | Dec 2024 | Water |
Swift Creek | Lower Valley Energy Inc | Afton, WY | Bonneville Power Administration (BPAT) | 6.5 GWh | Mar 2009 | Dec 2024 | Water |
Sinclair Oil Refinery | HF Sinclair Parco Refining LLC | Sinclair, WY | PacifiCorp East (PACE) | 7.8 GWh | Dec 1924 | Apr 2025 | Natural Gas |
Genesis Alkali | Genesis Alkali, LLC | Green River, WY | PacifiCorp East (PACE) | 259.5 GWh | May 1953 | Dec 2024 | Subbituminous Coal : 68.7% Natural Gas : 31.3% |
Shute Creek Facility | Exxon Mobil Production Co | Kemmerer, WY | PacifiCorp East (PACE) | 829.4 GWh | Apr 2005 | Apr 2025 | Natural Gas : 61.3% Other Gas : 38.7% |
Top of the World Windpower Project | Duke Energy Renewables Services | Glenrock, WY | PacifiCorp East (PACE) | 467.7 GWh | Sep 2010 | Apr 2025 | Wind |
Silver Sage Windpower | Duke Energy Renewables Services | Cheyenne, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 113.9 GWh | Sep 2009 | Apr 2025 | Wind |
Campbell Hill Windpower | Duke Energy Renewables Services | Glenrock, WY | PacifiCorp East (PACE) | 290.2 GWh | Nov 2009 | Apr 2025 | Wind |
Happy Jack Windpower Project | Duke Energy Renewables Services | Cheyenne, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 62.2 GWh | Jul 2008 | Apr 2025 | Wind |
Beaver Creek Gas Plant | Denbury Inc | Riverton, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 4.5 GWh | Nov 1983 | Dec 2024 | Natural Gas |
Big Sand Draw Plant | Denbury Inc | Riverton, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 38.2 GWh | Feb 2015 | Apr 2025 | Natural Gas |
Elk Basin Gasoline Plant | Contango Oil and Gas | Powell, WY | PacifiCorp East (PACE) | 6.7 GWh | Dec 1947 | Dec 2024 | Other Gas |
Casper Wind Farm | Chevron USA | Evansville, WY | PacifiCorp East (PACE) | 5.7 GWh | Nov 2009 | Dec 2023 | Wind |
Cedar Springs I | Cedar Springs Wind, LLC | Douglas, WY | PacifiCorp East (PACE) | 726.0 GWh | Nov 2020 | Apr 2025 | Wind |
Cedar Springs Wind IV | Cedar Springs Wind IV, LLC | Douglas, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 309.6 GWh | - | Apr 2025 | Wind |
Cedar Springs III | Cedar Springs Wind III, LLC | Douglas, WY | PacifiCorp East (PACE) | 511.5 GWh | Nov 2020 | Apr 2025 | Wind |
Boswell Wind | Boswell Wind, LLC | Rock River, WY | PacifiCorp East (PACE) | 503.3 GWh | Nov 2024 | Apr 2025 | Wind |
Cheyenne Prairie Generating Station | Black Hills Service Company LLC | Cheyenne, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 454.6 GWh | Sep 2014 | Apr 2025 | Natural Gas |
Corriedale Wind Energy | Black Hills Service Company LLC | Cheyenne, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 218.9 GWh | Oct 2020 | Apr 2025 | Wind |
Neil Simpson Gas Turbine #2 | Black Hills Power, Inc. | Gillette, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 28.5 GWh | Mar 2001 | Dec 2024 | Natural Gas |
Wygen 2 | Black Hills Power, Inc. | Gillette, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 581.5 GWh | Dec 2007 | Dec 2024 | Subbituminous Coal : 99.6% |
Neil Simpson II | Black Hills Power, Inc. | Gillette, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 660.9 GWh | Aug 1995 | Dec 2024 | Subbituminous Coal : 91.8% Natural Gas : 8.2% |
Wygen III | Black Hills Power, Inc. | Gillette, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 670.7 GWh | Mar 2010 | Dec 2024 | Subbituminous Coal : 99.7% |
Wygen 1 | Black Hills Power, Inc. | Gillette, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 505.2 GWh | Dec 2002 | Apr 2025 | Subbituminous Coal : 99.9% |
Hartzog | Basin Electric Power Coop | Wright, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 178.0 MWh | Jul 2002 | Dec 2024 | Natural Gas |
Dry Fork Station | Basin Electric Power Coop | Gillette, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 2.5 TWh | Oct 2011 | Apr 2025 | Subbituminous Coal : 99.7% |
Arvada | Basin Electric Power Coop | Arvada, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 199.0 MWh | Aug 2002 | Dec 2024 | Natural Gas |
Laramie River Station | Basin Electric Power Coop | Wheatland, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 7.8 TWh | Jun 1981 | Apr 2025 | Subbituminous Coal : 99.7% |
Barber Creek | Basin Electric Power Coop | Gillette, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 273.0 MWh | Aug 2002 | Dec 2024 | Natural Gas |
Anticline Wind | Anticline Wind, LLC | Casper, WY | Western Area Power Administration - Rocky Mountain Region (WACM) | 156.8 GWh | Nov 2024 | Apr 2025 | Wind |
Pioneer Wind Park, LLC | AES Distributed Energy | Glenrock, WY | PacifiCorp East (PACE) | 273.0 GWh | Sep 2016 | Dec 2024 | Wind |
Browse Power Plants By Wyoming Counties
Figures are based on December 2024 generation numbers.County | State Rank | Active Plants | Dec 2024 Generation |
---|---|---|---|
Sheridan County, WY | # 14 | 1 | 199.0 MWh |
Teton County, WY | # 13 | 2 | 788.0 MWh |
Fremont County, WY | # 12 | 4 | 113.0 GWh |
Park County, WY | # 11 | 6 | 138.3 GWh |
Natrona County, WY | # 10 | 4 | 509.4 GWh |
Uinta County, WY | # 9 | 5 | 629.1 GWh |
Albany County, WY | # 8 | 8 | 861.5 GWh |
County | State Rank | Active Plants | Dec 2024 Generation |
---|---|---|---|
Laramie County, WY | # 7 | 8 | 2.4 TWh |
Lincoln County, WY | # 6 | 6 | 3.4 TWh |
Carbon County, WY | # 5 | 21 | 3.8 TWh |
Campbell County, WY | # 4 | 11 | 6.9 TWh |
Platte County, WY | # 3 | 3 | 7.9 TWh |
Converse County, WY | # 2 | 11 | 8.0 TWh |
Sweetwater County, WY | # 1 | 6 | 8.6 TWh |