Western Area Power Administration - Upper Great Plains West
Balancing Authority Summary Information
Western Area Power Administration - Upper Great Plains West is ranked #62 out of 64 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 | Jul 2026 |
| Annual Generation | 249.0 GWh |
| Power Plants | 24 |
| Utilities | 7 |
| Ranked #62 out of 64 in terms of net annual generation | |
| Ranked #40 out of 47 in terms of annual generation from water | |
| Power Plant Types | Water | 99.9% |
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 |
|---|---|---|---|---|---|---|
| Steel Solar LLC | Steel Solar, LLC | Plymouth, UT | 192 GWh | May 2024 | May 2026 | Solar |
| Silver Sage Windpower | Duke Energy Renewables Services | Cheyenne, WY | 101 GWh | Sep 2009 | May 2026 | Wind |
| Happy Jack Windpower Project | Duke Energy Renewables Services | Cheyenne, WY | 64 GWh | Jul 2008 | May 2026 | Wind |
| Deer Creek (UT) | U S Bureau of Reclamation | Heber, UT | 22 GWh | Jan 1958 | Dec 2025 | Water |
| Tiber Dam Hydroelectric Plant | Tiber Montana LLC | Chester, MT | 31 GWh | May 2004 | Dec 2025 | Water |
| Buffalo Bill | U S Bureau of Reclamation | Cody, WY | 57 GWh | Aug 1992 | Dec 2025 | Water |
| Fort Peck | USACE-Omaha | Fort Peck, MT | 757 GWh | Jun 1943 | Dec 2025 | Water |
| Alcova | U S Bureau of Reclamation | Alcova, WY | 107 GWh | Jun 1955 | Dec 2025 | Water |
| Flaming Gorge | U S Bureau of Reclamation | Dutch John, UT | 323 GWh | Oct 1963 | Dec 2025 | Water |
| Boysen | U S Bureau of Reclamation | Thermopolis, WY | 42 GWh | Jul 1952 | Dec 2025 | Water |
| Canyon Ferry | U S Bureau of Reclamation | Helena, MT | 273 GWh | Nov 1953 | Dec 2025 | Water |
| Fontenelle | U S Bureau of Reclamation | Le Barge, WY | 44 GWh | Apr 1968 | Dec 2025 | Water |
| Shoshone (WY) | U S Bureau of Reclamation | Cody, WY | 17 GWh | Mar 1922 | Dec 2025 | Water |
| Seminoe | U S Bureau of Reclamation | Sinclair, WY | 85 GWh | Jul 1939 | Dec 2025 | Water |
| Kortes | U S Bureau of Reclamation | Sinclair, WY | 106 GWh | May 1950 | Dec 2025 | Water |
| Guernsey | U S Bureau of Reclamation | Guernsey, WY | 15 GWh | Jun 1927 | Dec 2025 | Water |
| Glendo | U S Bureau of Reclamation | Glendo, WY | 67 GWh | Nov 1958 | Dec 2025 | Water |
| Fremont Canyon | U S Bureau of Reclamation | Alcova, WY | 234 GWh | Nov 1960 | Dec 2025 | Water |
| Yellowtail | U S Bureau of Reclamation | Hardin, MT | 566 GWh | Jul 1966 | Dec 2025 | Water |
| Heart Mountain | U S Bureau of Reclamation | Cody, WY | 16 GWh | Nov 1948 | Oct 2025 | Water |
| Spirit Mountain | U S Bureau of Reclamation | Cody, WY | 16 GWh | Sep 1994 | Oct 2025 | Water |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #43 | Avista Corporation | 9.1 TWh | 33 |
| #33 | Gridforce Energy Management, LLC | 16.5 TWh | 1 |
| #36 | Idaho Power Company | 14.0 TWh | 169 |
| #60 | NaturEner Power Watch, LLC | 499.9 GWh | 2 |
| #63 | NaturEner Wind Watch, LLC | 66.4 GWh | 1 |
| #32 | NorthWestern Corporation | 17.6 TWh | 70 |
| #18 | PacifiCorp East | 60.9 TWh | 222 |
| #21 | Public Service Company of Colorado | 46.3 TWh | 231 |
| #51 | PUD No. 1 of Douglas County | 4.4 TWh | 4 |
| #27 | Western Area Power Administration - Rocky Mountain Region | 22.5 TWh | 193 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #54 | Arlington Valley, LLC | 3.2 TWh | 1 |
| #55 | City of Tallahassee | 3.2 TWh | 5 |
| #56 | City of Tacoma, Department of Public Utilities, Light Division | 2.4 TWh | 9 |
| #57 | Turlock Irrigation District | 1.9 TWh | 11 |
| #58 | Gainesville Regional Utilities | 1.6 TWh | 8 |
| #59 | Southeastern Power Administration | 1.3 TWh | 11 |
| #60 | NaturEner Power Watch, LLC | 499.9 GWh | 2 |
| #61 | Alcoa Power Generating, Inc. - Yadkin Division | 442.5 GWh | 4 |
| #62 | Western Area Power Administration - Upper Great Plains West | 249.0 GWh | 24 |
| #63 | NaturEner Wind Watch, LLC | 66.4 GWh | 1 |