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 | Jun 2025 |
| Annual Generation | 35.6 TWh |
| Power Plants | 170 |
| Utilities | 91 |
| Ranked #23 out of 65 in terms of net annual generation | |
| Ranked #12 out of 31 in terms of annual generation from coal | |
| Power Plant Types | Coal | 58.4% Water | 17% Wind | 14.2% Natural Gas | 6.4% Solar | 4.1% |
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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 |
|---|---|---|---|---|---|---|
| SR Kersey II | SR Kersey II, LLC | Kersey, CO | 2 GWh | Nov 2019 | Dec 2023 | Solar |
| SR Mavericks | SR Mavericks, LLC | Mead, CO | 15 GWh | Nov 2016 | Dec 2023 | Solar |
| SR Rattlesnake | SR Rattlesnake, LLC | Platteville, CO | 16 GWh | Nov 2020 | Dec 2023 | Solar |
| SR Skylark B | SR Skylark B, LLC | Severance, CO | 4 GWh | Aug 2016 | Dec 2023 | Solar |
| SR Skylark C | SR Skylark C, LLC | Windsor, CO | 2 GWh | Nov 2019 | Dec 2023 | Solar |
| Sunflower Wind Project | Onward Energy | Mandan, ND | 457 GWh | Nov 2016 | Mar 2025 | Wind |
| Tacoma | Public Service Co of Colorado | Durango, CO | 957 MWh | May 1905 | Dec 2023 | Water |
| Taylor Draw Hydroelectric Facility | Rio Blanco Water Conserv Dist | Rangely, CO | 34 MWh | Mar 1993 | Dec 2023 | Water |
| Tesla | City of Colorado Springs - (CO) | Colorado Springs, CO | 56 GWh | Mar 1997 | Dec 2023 | Water |
| Tom Sifers Solar | Mountain Parks Services, Inc. | Fraser, CO | 2 GWh | Oct 2019 | Dec 2023 | Solar |
| Tri-County Water Hydropower Project | Tri-County Water Conservancy District | Ridgway, CO | 16 GWh | Mar 2014 | Mar 2025 | Water |
| Trinidad (CO) | City of Trinidad - (CO) | Trinidad, CO | 26 MWh | Apr 1950 | Dec 2023 | Distillate Fuel Oil |
| Twin Buttes II Wind | Avangrid Renewables LLC | Lamar, CO | 300 GWh | Nov 2017 | Mar 2025 | Wind |
| Uintah | Moon Lake Electric Assn Inc | Neola, UT | 6 GWh | Jun 1920 | Dec 2023 | Water |
| Upper Molina | U S Bureau of Reclamation | Molina, CO | 32 GWh | Nov 1962 | Dec 2023 | Water |
| Valley View Solar | SR Clinch, LLC | Greeley, CO | 10 GWh | Nov 2015 | Dec 2023 | Solar |
| Vestas Towers America, Inc. | CS Wind America, Inc. | Pueblo, CO | 2 GWh | Mar 2010 | Mar 2025 | Wind |
| Weber State University - Davis Campus PV | Tesla Inc. | Layton, UT | 2 GWh | Dec 2016 | Dec 2023 | Solar |
| Whiskey Hill Solar | Mountain Parks Services, Inc. | Walden, CO | 2 GWh | Oct 2019 | Dec 2023 | Solar |
| Wild Springs | National Grid Renewables | New Underwood, SD | 209 GWh | - | Mar 2025 | Solar |
| Williams Fork Hydro Plant | Denver City & County of | Parshall, CO | 9 GWh | Jun 1959 | Dec 2023 | Water |
| Williams Ignacio Natural Gas Plant | Harvest Midstream Co | Durango, CO | 48 GWh | Nov 1984 | Mar 2025 | Waste Heat |
| Wygen 1 | Black Hills Power, Inc. | Gillette, WY | 550 GWh | Dec 2002 | Mar 2025 | Subbituminous Coal : 99.9% |
| Wygen 2 | Black Hills Power, Inc. | Gillette, WY | 663 GWh | Dec 2007 | Dec 2023 | Subbituminous Coal : 99.8% |
| Wygen III | Black Hills Power, Inc. | Gillette, WY | 795 GWh | Mar 2010 | Dec 2023 | Subbituminous Coal : 99.9% |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #46 | El Paso Electric Company | 6.8 TWh | 31 |
| #34 | Idaho Power Company | 15.3 TWh | 164 |
| #30 | NorthWestern Corporation | 19.0 TWh | 66 |
| #19 | PacifiCorp East | 57.3 TWh | 204 |
| #20 | Public Service Company of Colorado | 48.7 TWh | 201 |
| #36 | Public Service Company of New Mexico | 14.9 TWh | 108 |
| #18 | Salt River Project Agricultural Improvement and Power District | 58.7 TWh | 45 |
| #5 | Southwest Power Pool | 297.0 TWh | 762 |
| #44 | Western Area Power Administration - Desert Southwest Region | 8.1 TWh | 30 |
| #63 | Western Area Power Administration - Upper Great Plains West | 476.3 GWh | 24 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #18 | Salt River Project Agricultural Improvement and Power District | 58.7 TWh | 45 |
| #19 | PacifiCorp East | 57.3 TWh | 204 |
| #20 | Public Service Company of Colorado | 48.7 TWh | 201 |
| #21 | Duke Energy Florida, Inc. | 47.8 TWh | 92 |
| #22 | Nevada Power Company | 38.2 TWh | 136 |
| #23 | Western Area Power Administration - Rocky Mountain Region | 35.6 TWh | 170 |
| #24 | Louisville Gas and Electric Company and Kentucky Utilities Company | 33.8 TWh | 20 |
| #25 | Dominion Energy South Carolina, Inc. | 26.1 TWh | 85 |
| #26 | Arizona Public Service Company | 23.0 TWh | 75 |
| #27 | Associated Electric Cooperative, Inc. | 22.8 TWh | 47 |