Western Area Power Administration - Rocky Mountain Region
Balancing Authority Summary Information
Western Area Power Administration - Rocky Mountain Region is ranked #27 out of 64 balancing authorities in terms of total annual electricity generation.
| Balancing Authority | Western Area Power Administration - Rocky Mountain Region |
|---|---|
| States | Colorado Nebraska New Mexico North Dakota South Dakota Utah Wyoming |
| Last Update | Jul 2026 |
| Annual Generation | 22.5 TWh |
| Power Plants | 193 |
| Utilities | 109 |
| Ranked #27 out of 64 in terms of net annual generation | |
| Ranked #12 out of 32 in terms of annual generation from coal | |
| Power Plant Types | Coal | 56.7% Water | 15.5% Wind | 12.5% Natural Gas | 9.8% Solar | 5.3% |
Map of Western Area Power Administration - Rocky Mountain Region
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Daily Net Generation for Western Area Power Administration - Rocky Mountain Region for the past 3 Years
| Plant Name | Utility | Location | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|
| Riverview Solar | Highline Services, LLC | Sterling, CO | 3 GWh | Oct 2019 | Dec 2025 | Solar |
| Rock Creek 2 CSG | Greenbacker Renewable Energy Corporation | Alamosa, CO | 4 GWh | Nov 2020 | Dec 2025 | Solar |
| Roundhouse Renewable Energy II | Roundhouse Renewable Energy II, LLC | Granite, WY | 392 GWh | Nov 2023 | May 2026 | Wind |
| Roundhouse Wind Energy Project | Roundhouse Renewable Energy, LLC | Cheyenne, WY | 894 GWh | May 2020 | May 2026 | Wind |
| Ruxton Park | City of Colorado Springs - (CO) | Manitou Spring, CO | 1 GWh | Apr 1925 | Aug 2025 | Water |
| SF Auto O1 | Autoliv ASP, Inc. | Ogden, UT | 7 GWh | Nov 2023 | Dec 2025 | Solar |
| SF Auto T1 | Autoliv ASP, Inc. | Tremonton, UT | 7 GWh | Nov 2023 | Dec 2025 | Solar |
| Shavano Falls Hydro | Shavano Falls Hydro LLC | Montrose, CO | 11 GWh | May 2015 | Oct 2025 | Water |
| Shavano Falls Hydro Drop 4 | Shavano Falls Hydro LLC - Drop 4 Project | Montrose, CO | 21 GWh | May 2015 | Oct 2025 | Water |
| Skylark | SR Clinch, LLC | Severance, CO | 9 GWh | Nov 2015 | Dec 2025 | Solar |
| Smithfield 1 | Greenbacker Renewable Energy Corporation | Milford, UT | 13 GWh | Mar 2024 | Dec 2025 | Solar |
| Smithfield 3 | Altus Power America Management, LLC | Milford, UT | 6 GWh | Jun 2023 | Dec 2025 | Solar |
| South 49th 013445 SCS Norfolk, LLC | Arevon Energy, Inc. | Norfolk, NE | 17 GWh | Aug 2022 | Dec 2025 | Solar |
| South Canal Hydro-1 | Delta-Montrose Electric Association | Montrose, CO | 17 GWh | May 2013 | Oct 2025 | Water |
| South Canal Hydro-3 | Delta-Montrose Electric Association | Montrose, CO | 12 GWh | Jul 2013 | Oct 2025 | Water |
| South Cheyenne Solar | Southern Power Co | South Greeley, WY | 312 GWh | Mar 2024 | May 2026 | Solar |
| South Dakota Wind Energy Cente | FPL Energy South Dakota Wind LLC | Highmore, SD | 83 GWh | Sep 2003 | May 2026 | Wind |
| South Plant (CO) | City of Colorado Springs - (CO) | Colorado Springs, CO | 146 GWh | Oct 1962 | May 2026 | Natural Gas : 99.9% |
| Spearfish Hydro | City of Spearfish - (SD) | Spearfish, SD | 18 GWh | Sep 1912 | Dec 2025 | Water |
| SR Kersey | SR Kersey, LLC | Kersey, CO | 7 GWh | Jul 2017 | Dec 2025 | Solar |
| SR Kersey II | SR Kersey II, LLC | Kersey, CO | 2 GWh | Nov 2019 | Dec 2025 | Solar |
| SR Mavericks | SR Mavericks, LLC | Mead, CO | 15 GWh | Nov 2016 | Dec 2025 | Solar |
| SR Rattlesnake | SR Rattlesnake, LLC | Platteville, CO | 15 GWh | Nov 2020 | Dec 2025 | Solar |
| SR Skylark B | SR Skylark B, LLC | Severance, CO | 1 GWh | Aug 2016 | Dec 2025 | Solar |
| SR Skylark C | SR Skylark C, LLC | Windsor, CO | 2 GWh | Nov 2019 | Dec 2025 | Solar |
| Sunflower Wind Project | Onward Energy | Mandan, ND | 420 GWh | Nov 2016 | May 2026 | Wind |
| Tacoma | Public Service Co of Colorado | Durango, CO | 2 GWh | May 1905 | Dec 2025 | Water |
| Taylor Draw Hydroelectric Facility | Rio Blanco Water Conserv Dist | Rangely, CO | 8 GWh | Mar 1993 | Dec 2024 | Water |
| Tesla | City of Colorado Springs - (CO) | Colorado Springs, CO | 54 GWh | Mar 1997 | Oct 2025 | Water |
| Tom Sifers Solar | Mountain Parks Services, Inc. | Fraser, CO | 2 GWh | Oct 2019 | Dec 2025 | Solar |
| Towaoc | U S Bureau of Reclamation | Cortez, CO | 9 GWh | Apr 1993 | Dec 2025 | Water |
| Tri-County Water Hydropower Project | Tri-County Water Conservancy District | Ridgway, CO | 12 GWh | Mar 2014 | May 2026 | Water |
| Trinidad (CO) | City of Trinidad - (CO) | Trinidad, CO | 6 MWh | Apr 1950 | Dec 2025 | Distillate Fuel Oil |
| Twin Buttes II Wind | Avangrid Power LLC | Lamar, CO | 296 GWh | Nov 2017 | May 2026 | Wind |
| Uintah | Moon Lake Electric Assn Inc | Neola, UT | 4 GWh | Jun 1920 | Dec 2025 | Water |
| Upper Molina | U S Bureau of Reclamation | Molina, CO | 17 GWh | Nov 1962 | Dec 2025 | Water |
| USS Fruita Solar LLC CSG | United States Solar Corporation | Fruita, CO | 6 GWh | Apr 2024 | Dec 2025 | Solar |
| Vallecito Hydroelectric | Ptarmigan Res & Engy Inc | Bayfield, CO | 17 GWh | Apr 1989 | Dec 2025 | Water |
| Valley View Solar | SR Clinch, LLC | Greeley, CO | 9 GWh | Nov 2015 | Dec 2025 | Solar |
| Vestas Towers America, Inc. | CS Wind America, Inc. | Pueblo, CO | 1 GWh | Mar 2010 | May 2026 | Wind |
| Weber State University - Davis Campus PV | Tesla Inc. | Layton, UT | 2 GWh | Dec 2016 | Dec 2025 | Solar |
| Whiskey Hill Solar | Mountain Parks Services, Inc. | Walden, CO | 2 GWh | Oct 2019 | Dec 2025 | Solar |
| Wild Springs | Geronimo Power | New Underwood, SD | 269 GWh | May 2024 | May 2026 | Solar |
| Williams Fork Hydro Plant | Denver City & County of - (CO) | Parshall, CO | 12 GWh | Jun 1959 | Dec 2025 | Water |
| Williams Ignacio Natural Gas Plant | Harvest Midstream Co | Durango, CO | 47 GWh | Nov 1984 | May 2026 | Waste Heat |
| Wygen 1 | Black Hills Power, Inc. | Gillette, WY | 578 GWh | Dec 2002 | May 2026 | Subbituminous Coal : 99.7% |
| Wygen 2 | Black Hills Power, Inc. | Gillette, WY | 596 GWh | Dec 2007 | Dec 2025 | Subbituminous Coal : 99.5% |
| Wygen III | Black Hills Power, Inc. | Gillette, WY | 95 GWh | Mar 2010 | Dec 2025 | Subbituminous Coal : 99.8% |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #46 | El Paso Electric Company | 7.3 TWh | 37 |
| #36 | Idaho Power Company | 14.0 TWh | 169 |
| #32 | NorthWestern Corporation | 17.6 TWh | 70 |
| #18 | PacifiCorp East | 60.9 TWh | 222 |
| #21 | Public Service Company of Colorado | 46.3 TWh | 231 |
| #34 | Public Service Company of New Mexico | 16.1 TWh | 137 |
| #51 | PUD No. 1 of Douglas County | 4.4 TWh | 4 |
| #5 | Southwest Power Pool | 306.8 TWh | 856 |
| #40 | Western Area Power Administration - Desert Southwest Region | 10.4 TWh | 34 |
| #62 | Western Area Power Administration - Upper Great Plains West | 249.0 GWh | 24 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #22 | Nevada Power Company | 36.8 TWh | 143 |
| #23 | Louisville Gas and Electric Company and Kentucky Utilities Company | 33.9 TWh | 25 |
| #24 | Dominion Energy South Carolina, Inc. | 25.3 TWh | 83 |
| #25 | Arizona Public Service Company | 25.2 TWh | 100 |
| #26 | Associated Electric Cooperative, Inc. | 23.4 TWh | 47 |
| #27 | Western Area Power Administration - Rocky Mountain Region | 22.5 TWh | 193 |
| #28 | Tampa Electric Company | 21.5 TWh | 64 |
| #29 | Los Angeles Department of Water and Power | 18.8 TWh | 131 |
| #30 | Florida Municipal Power Pool | 18.7 TWh | 22 |
| #31 | South Carolina Public Service Authority | 18.5 TWh | 35 |