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 |
|---|---|---|---|---|---|---|
| George Birdsall | City of Colorado Springs - (CO) | Colorado Springs, CO | 42 GWh | Jul 1953 | Nov 2025 | Natural Gas |
| Williams Ignacio Natural Gas Plant | Harvest Midstream Co | Durango, CO | 47 GWh | Nov 1984 | Jul 2026 | Waste Heat |
| Tesla | City of Colorado Springs - (CO) | Colorado Springs, CO | 54 GWh | Mar 1997 | Oct 2025 | Water |
| Cimarron Solar Facility | Southern Power Co | Springer, NM | 60 GWh | Nov 2010 | Dec 2025 | Solar |
| Grazing Yak Solar | Grazing Yak Solar, LLC | Calhan, CO | 68 GWh | Oct 2019 | Jul 2026 | Solar |
| South Dakota Wind Energy Cente | FPL Energy South Dakota Wind LLC | Highmore, SD | 85 GWh | Sep 2003 | Jul 2026 | Wind |
| Navajo Dam | City of Farmington - (NM) | Farmington, NM | 88 GWh | Dec 1988 | Dec 2025 | Water |
| Wygen III | Black Hills Power, Inc. | Gillette, WY | 95 GWh | Mar 2010 | Dec 2025 | Subbituminous Coal : 99.8% |
| Estes | U S Bureau of Reclamation | Estes Park, CO | 123 GWh | Aug 1950 | Dec 2025 | Water |
| Mountain Peak Power Station | Mountain Peak Power, LLC | Keenesburg, CO | 124 GWh | May 2025 | Dec 2025 | Natural Gas |
| Kimball Wind | Kimball Wind, LLC | Kimball, NE | 124 GWh | Sep 2002 | Dec 2025 | Wind |
| Palmer Solar | Deriva Energy | Fountain, CO | 139 GWh | Mar 2020 | Jul 2026 | Solar |
| Crystal | U S Bureau of Reclamation | Montrose, CO | 141 GWh | May 1978 | Dec 2025 | Water |
| Lange Generating Station | Black Hills Power, Inc. | Rapid City, SD | 144 GWh | Feb 2002 | Dec 2025 | Natural Gas |
| Limon Generating Station | Tri-State G & T Assn, Inc | Limon, CO | 148 GWh | Jan 2002 | Dec 2025 | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| Kit Carson Windpower | Deriva Energy | Burlington, CO | 155 GWh | Oct 2010 | Dec 2025 | Wind |
| Fall River Solar, LLC | Greenbacker Renewable Energy Corporation | Edgemont, SD | 171 GWh | Aug 2023 | Jul 2026 | Solar |
| Dolores Canyon Solar | Tri-State G & T Assn, Inc | Cahone, CO | 179 GWh | Oct 2025 | Jul 2026 | Solar |
| South Plant (CO) | City of Colorado Springs - (CO) | Colorado Springs, CO | 189 GWh | Oct 1962 | Jul 2026 | Natural Gas : 99.9% |
| Blue Mesa | U S Bureau of Reclamation | Gunnison, CO | 198 GWh | Aug 1967 | Dec 2025 | Water |
| Pole Hill | U S Bureau of Reclamation | Loveland, CO | 202 GWh | Dec 1953 | Dec 2025 | Water |
| Garnet Mesa Solar | Garnet Mesa Solar LLC | Delta, CO | 208 GWh | Jul 2025 | Jul 2026 | Solar |
| Flatiron | U S Bureau of Reclamation | Loveland, CO | 209 GWh | Dec 1953 | Jul 2026 | Water |
| Corriedale Wind Energy | Black Hills Service Company LLC | Cheyenne, WY | 225 GWh | Oct 2020 | Jul 2026 | Wind |
| Morrow Point | U S Bureau of Reclamation | Montrose, CO | 263 GWh | Nov 1970 | Dec 2025 | Water |
| Wild Springs | Geronimo Power | New Underwood, SD | 270 GWh | May 2024 | Jul 2026 | Solar |
| Bluffview | City of Farmington - (NM) | Farmington, NM | 298 GWh | Apr 2005 | Jul 2026 | Natural Gas |
| Twin Buttes II Wind | Avangrid Power LLC | Lamar, CO | 301 GWh | Nov 2017 | Jul 2026 | Wind |
| South Cheyenne Solar | Southern Power Co | South Greeley, WY | 321 GWh | Mar 2024 | Jul 2026 | Solar |
| Colorado Highlands Wind | Colorado Highlands Wind LLC | Fleming, CO | 362 GWh | Nov 2012 | Dec 2025 | Wind |
| Coyote Ridge | Coyote Ridge LLC | White, SD | 372 GWh | Nov 2019 | Jul 2026 | Wind |
| Crossing Trails Wind Power Project LLC. | EDP Renewables North America LLC | Seibert, CO | 391 GWh | Mar 2021 | Jul 2026 | Wind |
| Roundhouse Renewable Energy II | Roundhouse Renewable Energy II, LLC | Granite, WY | 406 GWh | Nov 2023 | Jul 2026 | Wind |
| Anticline Wind | Anticline Wind, LLC | Casper, WY | 422 GWh | Nov 2024 | Jul 2026 | Wind |
| Sunflower Wind Project | Onward Energy | Mandan, ND | 432 GWh | Nov 2016 | Jul 2026 | Wind |
| Cheyenne Prairie Generating Station | Black Hills Service Company LLC | Cheyenne, WY | 487 GWh | Sep 2014 | Jul 2026 | Natural Gas |
| Wygen 1 | Black Hills Power, Inc. | Gillette, WY | 588 GWh | Dec 2002 | Jul 2026 | Subbituminous Coal : 99.8% |
| Panorama Wind, LLC | Leeward Asset Management, LLC | Grover, CO | 591 GWh | May 2022 | Jul 2026 | Wind |
| 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% |
| Niyol Wind, LLC | Niyol Wind, LLC | Fleming, CO | 790 GWh | Oct 2021 | Jul 2026 | Wind |
| Roundhouse Wind Energy Project | Roundhouse Renewable Energy, LLC | Cheyenne, WY | 898 GWh | May 2020 | Jul 2026 | Wind |
| 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 |
| Comanche (CO) | Public Service Co of Colorado | Pueblo, CO | 2 TWh | May 1973 | Jul 2026 | Subbituminous Coal : 94.9% Natural Gas : 5.1% |
| Front Range Power Plant | City of Colorado Springs - (CO) | Fountain, CO | 2 TWh | Mar 2003 | Jul 2026 | Natural Gas |
| Dry Fork Station | Basin Electric Power Coop | Gillette, WY | 3 TWh | Oct 2011 | Jul 2026 | Subbituminous Coal : 99.8% |
| Craig (CO) | Tri-State G & T Assn, Inc | Craig, CO | 3 TWh | Oct 1979 | Jul 2026 | Subbituminous Coal : 99.6% |
| Laramie River Station | Basin Electric Power Coop | Wheatland, WY | 8 TWh | Jun 1981 | Jul 2026 | Subbituminous Coal : 99.7% |
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 |