Western Area Power Administration - Rocky Mountain Region
Balancing Authority Summary Information
Western Area Power Administration - Rocky Mountain Region is ranked #34 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 | Oct 2026 |
| Annual Generation | 14.8 TWh |
| Power Plants | 206 |
| Utilities | 114 |
| Ranked #34 out of 64 in terms of net annual generation | |
| Ranked #17 out of 33 in terms of annual generation from coal | |
| Power Plant Types | Coal | 55.7% Wind | 14.4% Water | 14.4% 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 |
|---|---|---|---|---|---|---|
| Foothills Hydro Plant | Denver City & County-Foothills - (CO) | Littleton, CO | 7 GWh | Apr 1985 | Sep 2025 | Water |
| Williams Fork Hydro Plant | Denver City & County of - (CO) | Parshall, CO | 12 GWh | Jun 1959 | Dec 2025 | Water |
| North Fork Hydro Plant | Denver City & County of - (CO) | Grant, CO | 22 GWh | Dec 1987 | Dec 2025 | Water |
| Big Sand Draw Plant | Denbury Inc | Riverton, WY | 39 GWh | Feb 2015 | Jul 2026 | Natural Gas |
| Beaver Creek Gas Plant | Denbury Inc | Riverton, WY | 5 GWh | Nov 1983 | Dec 2025 | Natural Gas |
| 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 |
| Bar D | Cypress Creek Renewables | Meeker, CO | 4 GWh | Nov 2018 | Dec 2025 | Solar |
| CSWIND America Inc. | CS Wind America, Inc. | Pueblo, CO | 27 GWh | Sep 2023 | Dec 2025 | Solar |
| Vestas Towers America, Inc. | CS Wind America, Inc. | Pueblo, CO | 1 GWh | Mar 2010 | Jul 2026 | Wind |
| Coyote Ridge | Coyote Ridge LLC | White, SD | 372 GWh | Nov 2019 | Jul 2026 | Wind |
| Pitkin County Solar | Coolangatta Solar LLC | Aspen, CO | 11 GWh | Sep 2021 | Dec 2025 | Solar |
| Colorado Highlands Wind | Colorado Highlands Wind LLC | Fleming, CO | 362 GWh | Nov 2012 | Dec 2025 | Wind |
| Trinidad (CO) | City of Trinidad - (CO) | Trinidad, CO | 6 MWh | Apr 1950 | Dec 2025 | Distillate Fuel Oil |
| Spearfish Hydro | City of Spearfish - (SD) | Spearfish, SD | 18 GWh | Sep 1912 | Dec 2025 | Water |
| Navajo Dam | City of Farmington - (NM) | Farmington, NM | 88 GWh | Dec 1988 | Dec 2025 | Water |
| Bluffview | City of Farmington - (NM) | Farmington, NM | 298 GWh | Apr 2005 | Jul 2026 | Natural Gas |
| Tesla | City of Colorado Springs - (CO) | Colorado Springs, CO | 54 GWh | Mar 1997 | Oct 2025 | Water |
| Ruxton Park | City of Colorado Springs - (CO) | Manitou Spring, CO | 1 GWh | Apr 1925 | Aug 2025 | Water |
| Manitou Springs | City of Colorado Springs - (CO) | Manitou Spring, CO | 2 GWh | Apr 1927 | Dec 2025 | Water |
| George Birdsall | City of Colorado Springs - (CO) | Colorado Springs, CO | 42 GWh | Jul 1953 | Nov 2025 | Natural Gas |
| South Plant (CO) | City of Colorado Springs - (CO) | Colorado Springs, CO | 189 GWh | Oct 1962 | Jul 2026 | Natural Gas : 99.9% |
| Front Range Power Plant | City of Colorado Springs - (CO) | Fountain, CO | 2 TWh | Mar 2003 | Jul 2026 | Natural Gas |
| Ray D Nixon | City of Colorado Springs - (CO) | Fountain, CO | 1 TWh | Mar 1980 | Jul 2026 | Subbituminous Coal : 93.8% Natural Gas : 6.0% |
| Cedar Springs Wind IV | Cedar Springs Wind IV, LLC | Douglas, WY | 1 TWh | Dec 2024 | Jul 2026 | Wind |
| Carson Solar I | Carson Solar 1 LLC | Colorado Springs, CO | 3 GWh | Nov 2007 | Dec 2025 | Solar |
| Cheyenne Prairie Generating Station | Black Hills Service Company LLC | Cheyenne, WY | 487 GWh | Sep 2014 | Jul 2026 | Natural Gas |
| Corriedale Wind Energy | Black Hills Service Company LLC | Cheyenne, WY | 225 GWh | Oct 2020 | Jul 2026 | Wind |
| Wygen III | Black Hills Power, Inc. | Gillette, WY | 95 GWh | Mar 2010 | Dec 2025 | Subbituminous Coal : 99.8% |
| Wygen 2 | Black Hills Power, Inc. | Gillette, WY | 596 GWh | Dec 2007 | Dec 2025 | Subbituminous Coal : 99.5% |
| Neil Simpson II | Black Hills Power, Inc. | Gillette, WY | 642 GWh | Aug 1995 | Dec 2025 | Subbituminous Coal : 81.9% Natural Gas : 18.1% |
| Wygen 1 | Black Hills Power, Inc. | Gillette, WY | 588 GWh | Dec 2002 | Jul 2026 | Subbituminous Coal : 99.8% |
| Ben French | Black Hills Power, Inc. | Rapid City, SD | 26 GWh | Mar 1960 | Jul 2026 | Natural Gas : 99.7% |
| Lange Generating Station | Black Hills Power, Inc. | Rapid City, SD | 144 GWh | Feb 2002 | Dec 2025 | Natural Gas |
| Neil Simpson Gas Turbine #2 | Black Hills Power, Inc. | Gillette, WY | 36 GWh | Mar 2001 | Dec 2025 | Natural Gas |
| Barber Creek | Basin Electric Power Coop | Gillette, WY | 294 MWh | Aug 2002 | Dec 2025 | Natural Gas |
| Dry Fork Station | Basin Electric Power Coop | Gillette, WY | 3 TWh | Oct 2011 | Jul 2026 | Subbituminous Coal : 99.8% |
| Laramie River Station | Basin Electric Power Coop | Wheatland, WY | 8 TWh | Jun 1981 | Jul 2026 | Subbituminous Coal : 99.7% |
| Arvada | Basin Electric Power Coop | Arvada, WY | 171 MWh | Aug 2002 | Dec 2025 | Natural Gas |
| Hartzog | Basin Electric Power Coop | Wright, WY | 148 MWh | Jul 2002 | Dec 2025 | Natural Gas |
| Twin Buttes II Wind | Avangrid Power LLC | Lamar, CO | 301 GWh | Nov 2017 | Jul 2026 | Wind |
| 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 |
| South 49th 013445 SCS Norfolk, LLC | Arevon Energy, Inc. | Norfolk, NE | 17 GWh | Aug 2022 | Dec 2025 | Solar |
| Anticline Wind | Anticline Wind, LLC | Casper, WY | 422 GWh | Nov 2024 | Jul 2026 | Wind |
| Cortez Solar 1, LLC | Altus Power America Management, LLC | Cortez, CO | 6 GWh | Nov 2022 | Dec 2025 | Solar |
| Cortez Solar 2, LLC | Altus Power America Management, LLC | Cortez, CO | 13 GWh | Jun 2023 | Dec 2025 | Solar |
| Smithfield 3 | Altus Power America Management, LLC | Milford, UT | 6 GWh | Jun 2023 | Dec 2025 | Solar |
| Cortez Solar 3, LLC | Altus Power America Management, LLC | Cortez, CO | 4 GWh | Feb 2023 | Dec 2025 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #46 | El Paso Electric Company | 7.4 TWh | 37 |
| #36 | Idaho Power Company | 14.1 TWh | 169 |
| #31 | NorthWestern Corporation | 18.4 TWh | 70 |
| #18 | PacifiCorp East | 61.4 TWh | 223 |
| #20 | Public Service Company of Colorado | 47.6 TWh | 248 |
| #32 | Public Service Company of New Mexico | 16.9 TWh | 137 |
| #51 | PUD No. 1 of Douglas County | 4.4 TWh | 5 |
| #5 | Southwest Power Pool | 314.5 TWh | 876 |
| #39 | Western Area Power Administration - Desert Southwest Region | 10.6 TWh | 36 |
| #62 | Western Area Power Administration - Upper Great Plains West | 168.1 GWh | 24 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #29 | Los Angeles Department of Water and Power | 19.3 TWh | 132 |
| #30 | Florida Municipal Power Pool | 18.7 TWh | 23 |
| #31 | NorthWestern Corporation | 18.4 TWh | 70 |
| #32 | Public Service Company of New Mexico | 16.9 TWh | 137 |
| #33 | Gridforce Energy Management, LLC | 15.9 TWh | 1 |
| #34 | Western Area Power Administration - Rocky Mountain Region | 14.8 TWh | 206 |
| #35 | Seminole Electric Cooperative | 14.2 TWh | 5 |
| #36 | Idaho Power Company | 14.1 TWh | 169 |
| #37 | Tucson Electric Power | 14.0 TWh | 56 |
| #38 | Balancing Authority of Northern California | 13.9 TWh | 91 |