Western Area Power Administration - Rocky Mountain Region
Balancing Authority Summary Information
Western Area Power Administration - Rocky Mountain Region is ranked #23 out of 65 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 | Nov 2025 |
| Annual Generation | 35.5 TWh |
| Power Plants | 192 |
| Utilities | 101 |
| Ranked #23 out of 65 in terms of net annual generation | |
| Ranked #12 out of 32 in terms of annual generation from coal | |
| Power Plant Types | Coal | 58.4% Water | 16.9% Wind | 12.4% Natural Gas | 7.7% Solar | 4.6% |
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 |
|---|---|---|---|---|---|---|
| Beaver Creek Gas Plant | Denbury Inc | Riverton, WY | 4 GWh | Nov 1983 | Dec 2024 | Natural Gas |
| Big Sand Draw Plant | Denbury Inc | Riverton, WY | 38 GWh | Feb 2015 | Sep 2025 | Natural Gas |
| South Canal Hydro-1 | Delta-Montrose Electric Association | Montrose, CO | 19 GWh | May 2013 | Oct 2024 | Water |
| South Canal Hydro-3 | Delta-Montrose Electric Association | Montrose, CO | 14 GWh | Jul 2013 | Oct 2024 | Water |
| Bar D | Cypress Creek Renewables | Meeker, CO | 6 GWh | Nov 2018 | Dec 2024 | Solar |
| CSWIND America Inc. | CS Wind America, Inc. | Pueblo, CO | 27 GWh | Sep 2023 | Dec 2024 | Solar |
| Vestas Towers America, Inc. | CS Wind America, Inc. | Pueblo, CO | 2 GWh | Mar 2010 | Aug 2025 | Wind |
| Coyote Ridge | Coyote Ridge LLC | White, SD | 383 GWh | Nov 2019 | Sep 2025 | Wind |
| Pitkin County Solar | Coolangatta Solar LLC | Aspen, CO | 9 GWh | Sep 2021 | Dec 2024 | Solar |
| Colorado Highlands Wind | Colorado Highlands Wind LLC | Fleming, CO | 355 GWh | Nov 2012 | Dec 2024 | Wind |
| Trinidad (CO) | City of Trinidad - (CO) | Trinidad, CO | 5 MWh | Apr 1950 | Dec 2024 | Distillate Fuel Oil |
| Spearfish Hydro | City of Spearfish | Spearfish, SD | 20 GWh | Sep 1912 | Dec 2024 | Water |
| Navajo Dam | City of Farmington - (NM) | Farmington, NM | 72 GWh | Dec 1988 | Dec 2024 | Water |
| Bluffview | City of Farmington - (NM) | Farmington, NM | 409 GWh | Apr 2005 | Sep 2025 | Natural Gas |
| Ruxton Park | City of Colorado Springs - (CO) | Manitou Spring, CO | 1 GWh | Apr 1925 | Oct 2024 | Water |
| Manitou Springs | City of Colorado Springs - (CO) | Manitou Spring, CO | 2 GWh | Apr 1927 | Dec 2024 | Water |
| George Birdsall | City of Colorado Springs - (CO) | Colorado Springs, CO | 43 GWh | Jul 1953 | Aug 2025 | Natural Gas |
| South Plant (CO) | City of Colorado Springs - (CO) | Colorado Springs, CO | 153 GWh | Oct 1962 | Sep 2025 | Natural Gas : 99.9% |
| Tesla | City of Colorado Springs - (CO) | Colorado Springs, CO | 62 GWh | Mar 1997 | Dec 2024 | Water |
| Ray D Nixon | City of Colorado Springs - (CO) | Fountain, CO | 1 TWh | Mar 1980 | Sep 2025 | Subbituminous Coal : 92.7% Natural Gas : 7.2% |
| Front Range Power Plant | City of Colorado Springs - (CO) | Fountain, CO | 1 TWh | Mar 2003 | Sep 2025 | Natural Gas |
| Cedar Springs Wind IV | Cedar Springs Wind IV, LLC | Douglas, WY | 683 GWh | - | Sep 2025 | Wind |
| Carson Solar I | Carson Solar 1 LLC | Colorado Springs, CO | 3 GWh | Nov 2007 | Dec 2024 | Solar |
| Cheyenne Prairie Generating Station | Black Hills Service Company LLC | Cheyenne, WY | 493 GWh | Sep 2014 | Sep 2025 | Natural Gas |
| Corriedale Wind Energy | Black Hills Service Company LLC | Cheyenne, WY | 209 GWh | Oct 2020 | Sep 2025 | Wind |
| Neil Simpson II | Black Hills Power, Inc. | Gillette, WY | 661 GWh | Aug 1995 | Dec 2024 | Subbituminous Coal : 91.8% Natural Gas : 8.2% |
| Neil Simpson Gas Turbine #2 | Black Hills Power, Inc. | Gillette, WY | 28 GWh | Mar 2001 | Dec 2024 | Natural Gas |
| Lange Generating Station | Black Hills Power, Inc. | Rapid City, SD | 115 GWh | Feb 2002 | Dec 2024 | Natural Gas |
| Ben French | Black Hills Power, Inc. | Rapid City, SD | 21 GWh | Mar 1960 | Sep 2025 | Natural Gas : 99.5% |
| Wygen 1 | Black Hills Power, Inc. | Gillette, WY | 578 GWh | Dec 2002 | Sep 2025 | Subbituminous Coal : 99.9% |
| Wygen III | Black Hills Power, Inc. | Gillette, WY | 671 GWh | Mar 2010 | Dec 2024 | Subbituminous Coal : 99.7% |
| Wygen 2 | Black Hills Power, Inc. | Gillette, WY | 581 GWh | Dec 2007 | Dec 2024 | Subbituminous Coal : 99.6% |
| Hartzog | Basin Electric Power Coop | Wright, WY | 178 MWh | Jul 2002 | Dec 2024 | Natural Gas |
| Dry Fork Station | Basin Electric Power Coop | Gillette, WY | 2 TWh | Oct 2011 | Sep 2025 | Subbituminous Coal : 99.8% |
| Laramie River Station | Basin Electric Power Coop | Wheatland, WY | 8 TWh | Jun 1981 | Sep 2025 | Subbituminous Coal : 99.7% |
| Barber Creek | Basin Electric Power Coop | Gillette, WY | 273 MWh | Aug 2002 | Dec 2024 | Natural Gas |
| Arvada | Basin Electric Power Coop | Arvada, WY | 199 MWh | Aug 2002 | Dec 2024 | Natural Gas |
| Twin Buttes II Wind | Avangrid Power LLC | Lamar, CO | 296 GWh | Nov 2017 | Sep 2025 | Wind |
| SF Auto T1 | Autoliv ASP, Inc. | Tremonton, UT | 6 GWh | Nov 2023 | Dec 2024 | Solar |
| SF Auto O1 | Autoliv ASP, Inc. | Ogden, UT | 218 MWh | Nov 2023 | Dec 2024 | Solar |
| South 49th 013445 SCS Norfolk, LLC | Arevon Energy, Inc. | Norfolk, NE | 19 GWh | Aug 2022 | Dec 2024 | Solar |
| Anticline Wind | Anticline Wind, LLC | Casper, WY | 275 GWh | Nov 2024 | Sep 2025 | Wind |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #46 | El Paso Electric Company | 6.8 TWh | 32 |
| #34 | Idaho Power Company | 15.2 TWh | 168 |
| #31 | NorthWestern Corporation | 18.4 TWh | 69 |
| #18 | PacifiCorp East | 61.1 TWh | 216 |
| #21 | Public Service Company of Colorado | 47.2 TWh | 210 |
| #35 | Public Service Company of New Mexico | 14.9 TWh | 116 |
| #53 | PUD No. 1 of Douglas County | 3.7 TWh | 3 |
| #5 | Southwest Power Pool | 299.9 TWh | 835 |
| #39 | Western Area Power Administration - Desert Southwest Region | 9.8 TWh | 33 |
| #62 | Western Area Power Administration - Upper Great Plains West | 449.4 GWh | 24 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #18 | PacifiCorp East | 61.1 TWh | 216 |
| #19 | Salt River Project Agricultural Improvement and Power District | 60.0 TWh | 48 |
| #20 | Duke Energy Florida, Inc. | 47.4 TWh | 95 |
| #21 | Public Service Company of Colorado | 47.2 TWh | 210 |
| #22 | Nevada Power Company | 37.2 TWh | 139 |
| #23 | Western Area Power Administration - Rocky Mountain Region | 35.5 TWh | 192 |
| #24 | Louisville Gas and Electric Company and Kentucky Utilities Company | 34.4 TWh | 25 |
| #25 | Dominion Energy South Carolina, Inc. | 25.7 TWh | 87 |
| #26 | Arizona Public Service Company | 23.9 TWh | 92 |
| #27 | Associated Electric Cooperative, Inc. | 23.6 TWh | 47 |