Western Area Power Administration - Upper Great Plains West
Balancing Authority Summary Information
Western Area Power Administration - Upper Great Plains West is ranked #64 out of 65 balancing authorities in terms of total annual electricity generation.
| Balancing Authority | Western Area Power Administration - Upper Great Plains West |
|---|---|
| States | Montana Utah Wyoming |
| Last Update | Apr 2025 |
| Annual Generation | 474.9 GWh |
| Power Plants | 24 |
| Utilities | 7 |
| Ranked #64 out of 65 in terms of net annual generation | |
| Ranked #34 out of 47 in terms of annual generation from water | |
| Power Plant Types | Water | 100% |
Map of Western Area Power Administration - Upper Great Plains West
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Daily Net Generation for Western Area Power Administration - Upper Great Plains West for the past 3 Years
| Plant Name | Utility | Location | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|
| Yellowtail | U S Bureau of Reclamation | Hardin, MT | 846 GWh | Jul 1966 | Dec 2023 | Water |
| Tiber Dam Hydroelectric Plant | Tiber Montana LLC | Chester, MT | 44 GWh | May 2004 | Dec 2023 | Water |
| Steel Solar LLC | Steel Solar, LLC | Plymouth, UT | 125 GWh | - | Jan 2025 | Solar |
| Spirit Mountain | U S Bureau of Reclamation | Cody, WY | 18 GWh | Sep 1994 | Oct 2023 | Water |
| Silver Sage Windpower | Duke Energy Renewables Services | Cheyenne, WY | 112 GWh | Sep 2009 | Jan 2025 | Wind |
| Shoshone (WY) | U S Bureau of Reclamation | Cody, WY | 20 GWh | Mar 1922 | Dec 2023 | Water |
| Seminoe | U S Bureau of Reclamation | Sinclair, WY | 141 GWh | Jul 1939 | Dec 2023 | Water |
| Medicine Bow | SRIV Partnership LLC | Medicine Bow, WY | 11 GWh | Mar 1998 | Dec 2023 | Wind |
| Kortes | U S Bureau of Reclamation | Sinclair, WY | 146 GWh | May 1950 | Dec 2023 | Water |
| Heart Mountain | U S Bureau of Reclamation | Cody, WY | 22 GWh | Nov 1948 | Oct 2023 | Water |
| Happy Jack Windpower Project | Duke Energy Renewables Services | Cheyenne, WY | 59 GWh | Jul 2008 | Jan 2025 | Wind |
| Guernsey | U S Bureau of Reclamation | Guernsey, WY | 21 GWh | Jun 1927 | Sep 2023 | Water |
| Glendo | U S Bureau of Reclamation | Glendo, WY | 81 GWh | Nov 1958 | Sep 2023 | Water |
| Fremont Canyon | U S Bureau of Reclamation | Alcova, WY | 176 GWh | Nov 1960 | Dec 2023 | Water |
| Fort Peck | USACE-Omaha | Fort Peck, MT | 701 GWh | Jun 1943 | Dec 2023 | Water |
| Fontenelle | U S Bureau of Reclamation | Le Barge, WY | 64 GWh | Apr 1968 | Dec 2023 | Water |
| Flaming Gorge | U S Bureau of Reclamation | Dutch John, UT | 414 GWh | Oct 1963 | Dec 2023 | Water |
| Deer Creek (UT) | U S Bureau of Reclamation | Heber, UT | 23 GWh | Jan 1958 | Dec 2023 | Water |
| Canyon Ferry | U S Bureau of Reclamation | Helena, MT | 276 GWh | Nov 1953 | Dec 2023 | Water |
| Buffalo Bill | U S Bureau of Reclamation | Cody, WY | 73 GWh | Aug 1992 | Dec 2023 | Water |
| Boysen | U S Bureau of Reclamation | Thermopolis, WY | 81 GWh | Jul 1952 | Dec 2023 | Water |
| Alcova | U S Bureau of Reclamation | Alcova, WY | 68 GWh | Jun 1955 | Dec 2023 | Water |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #43 | Avista Corporation | 8.0 TWh | 33 |
| #30 | Gridforce Energy Management, LLC | 19.0 TWh | 1 |
| #34 | Idaho Power Company | 15.6 TWh | 164 |
| #63 | NaturEner Power Watch, LLC | 496.4 GWh | 2 |
| #62 | NaturEner Wind Watch, LLC | 584.1 GWh | 1 |
| #31 | NorthWestern Corporation | 18.7 TWh | 66 |
| #19 | PacifiCorp East | 56.7 TWh | 204 |
| #20 | Public Service Company of Colorado | 48.5 TWh | 201 |
| #35 | Public Service Company of New Mexico | 15.4 TWh | 108 |
| #23 | Western Area Power Administration - Rocky Mountain Region | 35.6 TWh | 170 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #55 | Arlington Valley, LLC | 3.4 TWh | 1 |
| #56 | City of Tallahassee | 3.1 TWh | 5 |
| #57 | City of Tacoma, Department of Public Utilities, Light Division | 2.2 TWh | 9 |
| #58 | Turlock Irrigation District | 2.1 TWh | 11 |
| #59 | Gainesville Regional Utilities | 1.9 TWh | 6 |
| #60 | Southeastern Power Administration | 1.4 TWh | 11 |
| #61 | Alcoa Power Generating, Inc. - Yadkin Division | 758.5 GWh | 4 |
| #62 | NaturEner Wind Watch, LLC | 584.1 GWh | 1 |
| #63 | NaturEner Power Watch, LLC | 496.4 GWh | 2 |
| #64 | Western Area Power Administration - Upper Great Plains West | 474.9 GWh | 24 |