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 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 | Nov 2025 |
| Annual Generation | 450.9 GWh |
| Power Plants | 24 |
| Utilities | 7 |
| Ranked #62 out of 65 in terms of net annual generation | |
| Ranked #36 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 |
|---|---|---|---|---|---|---|
| Alcova | U S Bureau of Reclamation | Alcova, WY | 119 GWh | Jun 1955 | Dec 2024 | Water |
| Boysen | U S Bureau of Reclamation | Thermopolis, WY | 70 GWh | Jul 1952 | Dec 2024 | Water |
| Buffalo Bill | U S Bureau of Reclamation | Cody, WY | 66 GWh | Aug 1992 | Dec 2024 | Water |
| Canyon Ferry | U S Bureau of Reclamation | Helena, MT | 275 GWh | Nov 1953 | Dec 2024 | Water |
| Deer Creek (UT) | U S Bureau of Reclamation | Heber, UT | 23 GWh | Jan 1958 | Dec 2024 | Water |
| Flaming Gorge | U S Bureau of Reclamation | Dutch John, UT | 408 GWh | Oct 1963 | Dec 2024 | Water |
| Fontenelle | U S Bureau of Reclamation | Le Barge, WY | 53 GWh | Apr 1968 | Dec 2024 | Water |
| Fort Peck | USACE-Omaha | Fort Peck, MT | 752 GWh | Jun 1943 | Dec 2024 | Water |
| Fremont Canyon | U S Bureau of Reclamation | Alcova, WY | 228 GWh | Nov 1960 | Dec 2024 | Water |
| Glendo | U S Bureau of Reclamation | Glendo, WY | 88 GWh | Nov 1958 | Dec 2024 | Water |
| Guernsey | U S Bureau of Reclamation | Guernsey, WY | 18 GWh | Jun 1927 | Dec 2024 | Water |
| Happy Jack Windpower Project | Duke Energy Renewables Services | Cheyenne, WY | 61 GWh | Jul 2008 | Aug 2025 | Wind |
| Heart Mountain | U S Bureau of Reclamation | Cody, WY | 21 GWh | Nov 1948 | Dec 2024 | Water |
| Kortes | U S Bureau of Reclamation | Sinclair, WY | 155 GWh | May 1950 | Dec 2024 | Water |
| Medicine Bow | SRIV Partnership LLC | Medicine Bow, WY | 11 GWh | Mar 1998 | Oct 2024 | Wind |
| Seminoe | U S Bureau of Reclamation | Sinclair, WY | 137 GWh | Jul 1939 | Dec 2024 | Water |
| Shoshone (WY) | U S Bureau of Reclamation | Cody, WY | 18 GWh | Mar 1922 | Dec 2024 | Water |
| Silver Sage Windpower | Duke Energy Renewables Services | Cheyenne, WY | 107 GWh | Sep 2009 | Aug 2025 | Wind |
| Spirit Mountain | U S Bureau of Reclamation | Cody, WY | 17 GWh | Sep 1994 | Oct 2024 | Water |
| Steel Solar LLC | Steel Solar, LLC | Plymouth, UT | 197 GWh | May 2024 | Aug 2025 | Solar |
| Tiber Dam Hydroelectric Plant | Tiber Montana LLC | Chester, MT | 36 GWh | May 2004 | Dec 2024 | Water |
| Yellowtail | U S Bureau of Reclamation | Hardin, MT | 798 GWh | Jul 1966 | Dec 2024 | Water |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #42 | Avista Corporation | 8.3 TWh | 33 |
| #31 | Gridforce Energy Management, LLC | 18.3 TWh | 1 |
| #34 | Idaho Power Company | 15.3 TWh | 168 |
| #64 | NaturEner Power Watch, LLC | 402.2 GWh | 2 |
| #63 | NaturEner Wind Watch, LLC | 430.7 GWh | 1 |
| #32 | NorthWestern Corporation | 18.3 TWh | 69 |
| #18 | PacifiCorp East | 61.0 TWh | 216 |
| #21 | Public Service Company of Colorado | 47.3 TWh | 210 |
| #53 | PUD No. 1 of Douglas County | 3.7 TWh | 3 |
| #23 | Western Area Power Administration - Rocky Mountain Region | 35.4 TWh | 192 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #54 | Arlington Valley, LLC | 3.4 TWh | 1 |
| #55 | City of Tallahassee | 3.1 TWh | 5 |
| #56 | City of Tacoma, Department of Public Utilities, Light Division | 2.1 TWh | 9 |
| #57 | Turlock Irrigation District | 2.1 TWh | 11 |
| #58 | Gainesville Regional Utilities | 1.8 TWh | 8 |
| #59 | Southeastern Power Administration | 1.5 TWh | 11 |
| #60 | New Harquahala Generating Company, LLC | 801.1 GWh | 1 |
| #61 | Alcoa Power Generating, Inc. - Yadkin Division | 699.8 GWh | 4 |
| #62 | Western Area Power Administration - Upper Great Plains West | 450.9 GWh | 24 |
| #63 | NaturEner Wind Watch, LLC | 430.7 GWh | 1 |