| Laramie River Station | Basin Electric Power Coop | Wheatland, WY | 8 TWh | Jun 1981 | Sep 2025 |
Subbituminous Coal : 99.7%
|
| Comanche (CO) | Public Service Co of Colorado | Pueblo, CO | 5 TWh | May 1973 | Sep 2025 |
Subbituminous Coal : 97.8%
Natural Gas : 2.2%
|
| Craig (CO) | Tri-State G & T Assn, Inc | Craig, CO | 4 TWh | Oct 1979 | Sep 2025 |
Subbituminous Coal : 99.6%
|
| Dry Fork Station | Basin Electric Power Coop | Gillette, WY | 2 TWh | Oct 2011 | Sep 2025 |
Subbituminous Coal : 99.8%
|
| Front Range Power Plant | City of Colorado Springs - (CO) | Fountain, CO | 1 TWh | Mar 2003 | Sep 2025 |
Natural Gas
|
| Ray D Nixon | City of Colorado Springs - (CO) | Fountain, CO | 1 TWh | Mar 1980 | Sep 2025 |
Subbituminous Coal : 92.7%
Natural Gas : 7.2%
|
| Roundhouse Wind Energy Project | Roundhouse Renewable Energy, LLC | Cheyenne, WY | 820 GWh | May 2020 | Sep 2025 |
Wind
|
| Niyol Wind, LLC | Niyol Wind, LLC | Fleming, CO | 807 GWh | Oct 2021 | Sep 2025 |
Wind
|
| Cedar Springs Wind IV | Cedar Springs Wind IV, LLC | Douglas, WY | 683 GWh | - | Sep 2025 |
Wind
|
| Wygen III | Black Hills Power, Inc. | Gillette, WY | 671 GWh | Mar 2010 | Dec 2024 |
Subbituminous Coal : 99.7%
|
| Neil Simpson II | Black Hills Power, Inc. | Gillette, WY | 661 GWh | Aug 1995 | Dec 2024 |
Subbituminous Coal : 91.8%
Natural Gas : 8.2%
|
| Wygen 2 | Black Hills Power, Inc. | Gillette, WY | 581 GWh | Dec 2007 | Dec 2024 |
Subbituminous Coal : 99.6%
|
| Wygen 1 | Black Hills Power, Inc. | Gillette, WY | 578 GWh | Dec 2002 | Sep 2025 |
Subbituminous Coal : 99.9%
|
| Panorama Wind, LLC | Leeward Asset Management, LLC | Grover, CO | 576 GWh | May 2022 | Sep 2025 |
Wind
|
| Cheyenne Prairie Generating Station | Black Hills Service Company LLC | Cheyenne, WY | 493 GWh | Sep 2014 | Sep 2025 |
Natural Gas
|
| Sunflower Wind Project | Onward Energy | Mandan, ND | 426 GWh | Nov 2016 | Sep 2025 |
Wind
|
| Bluffview | City of Farmington - (NM) | Farmington, NM | 409 GWh | Apr 2005 | Sep 2025 |
Natural Gas
|
| Crossing Trails Wind Power Project LLC. | EDP Renewables North America LLC | Seibert, CO | 397 GWh | Mar 2021 | Sep 2025 |
Wind
|
| Coyote Ridge | Coyote Ridge LLC | White, SD | 383 GWh | Nov 2019 | Sep 2025 |
Wind
|
| Roundhouse Renewable Energy II | Roundhouse Renewable Energy II, LLC | Granite, WY | 372 GWh | Nov 2023 | Sep 2025 |
Wind
|
| Colorado Highlands Wind | Colorado Highlands Wind LLC | Fleming, CO | 355 GWh | Nov 2012 | Dec 2024 |
Wind
|
| South Cheyenne Solar | Southern Power Co | South Greeley, WY | 330 GWh | Mar 2024 | Sep 2025 |
Solar
|
| Morrow Point | U S Bureau of Reclamation | Montrose, CO | 310 GWh | Nov 1970 | Dec 2024 |
Water
|
| Twin Buttes II Wind | Avangrid Power LLC | Lamar, CO | 296 GWh | Nov 2017 | Sep 2025 |
Wind
|
| Anticline Wind | Anticline Wind, LLC | Casper, WY | 275 GWh | Nov 2024 | Sep 2025 |
Wind
|
| Wild Springs | National Grid Renewables | New Underwood, SD | 265 GWh | May 2024 | Sep 2025 |
Solar
|
| Blue Mesa | U S Bureau of Reclamation | Gunnison, CO | 247 GWh | Aug 1967 | Dec 2024 |
Water
|
| Limon Generating Station | Tri-State G & T Assn, Inc | Limon, CO | 216 GWh | Jan 2002 | Dec 2024 |
Natural Gas : 96.0%
Distillate Fuel Oil : 4.0%
|
| Corriedale Wind Energy | Black Hills Service Company LLC | Cheyenne, WY | 209 GWh | Oct 2020 | Sep 2025 |
Wind
|
| Flatiron | U S Bureau of Reclamation | Loveland, CO | 203 GWh | Dec 1953 | Sep 2025 |
Water
|
| Kit Carson Windpower | Duke Energy Renewables Services | Burlington, CO | 169 GWh | Oct 2010 | Dec 2024 |
Wind
|
| South Plant (CO) | City of Colorado Springs - (CO) | Colorado Springs, CO | 153 GWh | Oct 1962 | Sep 2025 |
Natural Gas : 99.9%
|
| Pole Hill | U S Bureau of Reclamation | Loveland, CO | 151 GWh | Dec 1953 | Dec 2024 |
Water
|
| Crystal | U S Bureau of Reclamation | Montrose, CO | 144 GWh | May 1978 | Dec 2024 |
Water
|
| Palmer Solar | Duke Energy Renewables Services | Fountain, CO | 140 GWh | Mar 2020 | Sep 2025 |
Solar
|
| Kimball Wind | Kimball Wind, LLC | Kimball, NE | 121 GWh | Sep 2002 | Dec 2024 |
Wind
|
| Lange Generating Station | Black Hills Power, Inc. | Rapid City, SD | 115 GWh | Feb 2002 | Dec 2024 |
Natural Gas
|
| Estes | U S Bureau of Reclamation | Estes Park, CO | 108 GWh | Aug 1950 | Dec 2024 |
Water
|
| Grazing Yak Solar | Grazing Yak Solar, LLC | Calhan, CO | 78 GWh | Oct 2019 | Sep 2025 |
Solar
|
| South Dakota Wind Energy Cente | FPL Energy South Dakota Wind LLC | Highmore, SD | 77 GWh | Sep 2003 | Sep 2025 |
Wind
|
| Navajo Dam | City of Farmington - (NM) | Farmington, NM | 72 GWh | Dec 1988 | Dec 2024 |
Water
|
| Tesla | City of Colorado Springs - (CO) | Colorado Springs, CO | 62 GWh | Mar 1997 | Dec 2024 |
Water
|
| Green Mountain | U S Bureau of Reclamation | Kremmling, CO | 58 GWh | Apr 1943 | Dec 2024 |
Water
|
| Elephant Butte | U S Bureau of Reclamation | Truth or Consequences, NM | 57 GWh | Oct 1940 | Dec 2024 |
Water
|
| Williams Ignacio Natural Gas Plant | Harvest Midstream Co | Durango, CO | 47 GWh | Nov 1984 | Sep 2025 |
Waste Heat
|
| Cimarron Solar Facility | Southern Power Co | Springer, NM | 45 GWh | Nov 2010 | Dec 2024 |
Solar
|
| George Birdsall | City of Colorado Springs - (CO) | Colorado Springs, CO | 43 GWh | Jul 1953 | Aug 2025 |
Natural Gas
|
| Garnet Mesa Solar | Garnet Mesa Solar LLC | Delta, CO | 40 GWh | - | Sep 2025 |
Solar
|
| Big Sand Draw Plant | Denbury Inc | Riverton, WY | 38 GWh | Feb 2015 | Sep 2025 |
Natural Gas
|
| Neil Simpson Gas Turbine #2 | Black Hills Power, Inc. | Gillette, WY | 28 GWh | Mar 2001 | Dec 2024 |
Natural Gas
|
| CSWIND America Inc. | CS Wind America, Inc. | Pueblo, CO | 27 GWh | Sep 2023 | Dec 2024 |
Solar
|
| Abiquiu Dam | Los Alamos County | Abiquiu, NM | 24 GWh | Mar 1989 | Dec 2024 |
Water
|
| Upper Molina | U S Bureau of Reclamation | Molina, CO | 24 GWh | Nov 1962 | Nov 2024 |
Water
|
| Shavano Falls Hydro Drop 4 | Shavano Falls Hydro LLC - Drop 4 Project | Montrose, CO | 23 GWh | May 2015 | Oct 2024 |
Water
|
| Ben French | Black Hills Power, Inc. | Rapid City, SD | 21 GWh | Mar 1960 | Sep 2025 |
Natural Gas : 99.5%
|
| Boulder | Garkane Energy Coop, Inc | Boulder, UT | 20 GWh | Jul 1958 | Dec 2024 |
Water
|
| Spearfish Hydro | City of Spearfish | Spearfish, SD | 20 GWh | Sep 1912 | Dec 2024 |
Water
|
| Vallecito Hydroelectric | Ptarmigan Res & Engy Inc | Bayfield, CO | 19 GWh | Apr 1989 | Dec 2024 |
Water
|
| Clear Spring Ranch PV Project | DG Colorado Solar, LLC | Fountain, CO | 19 GWh | Sep 2016 | Dec 2024 |
Solar
|
| South Canal Hydro-1 | Delta-Montrose Electric Association | Montrose, CO | 19 GWh | May 2013 | Oct 2024 |
Water
|
| Front Range Project | Timberline Energy LLC | Erie, CO | 19 GWh | Sep 2011 | Dec 2024 |
Landfill Gas
|
| South 49th 013445 SCS Norfolk, LLC | Arevon Energy, Inc. | Norfolk, NE | 19 GWh | Aug 2022 | Dec 2024 |
Solar
|
| Tri-County Water Hydropower Project | Tri-County Water Conservancy District | Ridgway, CO | 17 GWh | Mar 2014 | Sep 2025 |
Water
|
| SR Rattlesnake | SR Rattlesnake, LLC | Platteville, CO | 15 GWh | Nov 2020 | Dec 2024 |
Solar
|
| SR Mavericks | SR Mavericks, LLC | Mead, CO | 15 GWh | Nov 2016 | Dec 2024 |
Solar
|
| North Fork Hydro Plant | Denver City & County of | Grant, CO | 15 GWh | Dec 1987 | Dec 2024 |
Water
|
| South Canal Hydro-3 | Delta-Montrose Electric Association | Montrose, CO | 14 GWh | Jul 2013 | Oct 2024 |
Water
|
| Huerfano River Wind | Huerfano River Wind, LLC | Walsenburg, CO | 13 GWh | Sep 2013 | Dec 2024 |
Wind
|
| Lower Molina | U S Bureau of Reclamation | Molina, CO | 12 GWh | Nov 1962 | Nov 2024 |
Water
|
| Shavano Falls Hydro | Shavano Falls Hydro LLC | Montrose, CO | 12 GWh | May 2015 | Oct 2024 |
Water
|
| Williams Fork Hydro Plant | Denver City & County of | Parshall, CO | 12 GWh | Jun 1959 | Dec 2024 |
Water
|
| AFA Solar Farm | Solar Star Colorado II LLC | Colorado Springs, CO | 11 GWh | Feb 2011 | Dec 2024 |
Solar
|
| Carter Hydro | Northern Colorado Water Conservancy District | Berthoud, CO | 10 GWh | May 2012 | Sep 2025 |
Water
|
| Towaoc | U S Bureau of Reclamation | Cortez, CO | 10 GWh | Apr 1993 | Dec 2024 |
Water
|
| Cortez Solar 2, LLC | Greenbacker Renewable Energy Corporation | Cortez, CO | 9 GWh | Jun 2023 | Dec 2024 |
Solar
|
| Drop 5 (CO) | Drop 5 Hydro LLC | Montrose, CO | 9 GWh | Feb 2017 | Oct 2024 |
Water
|
| Pitkin County Solar | Coolangatta Solar LLC | Aspen, CO | 9 GWh | Sep 2021 | Dec 2024 |
Solar
|
| Valley View Solar | SR Clinch, LLC | Greeley, CO | 9 GWh | Nov 2015 | Dec 2024 |
Solar
|
| Skylark | SR Clinch, LLC | Severance, CO | 9 GWh | Nov 2015 | Dec 2024 |
Solar
|
| Pivot Solar 20 | Pivot Energy | Johnstown, CO | 9 GWh | Sep 2023 | Dec 2024 |
Solar
|
| Smithfield 1 | Greenbacker Renewable Energy Corporation | Milford, UT | 8 GWh | Mar 2024 | Dec 2024 |
Solar
|
| Taylor Draw Hydroelectric Facility | Rio Blanco Water Conserv Dist | Rangely, CO | 8 GWh | Mar 1993 | Dec 2024 |
Water
|
| SR Kersey | SR Kersey, LLC | Kersey, CO | 8 GWh | Jul 2017 | Dec 2024 |
Solar
|
| Uintah | Moon Lake Electric Assn Inc | Neola, UT | 7 GWh | Jun 1920 | Dec 2024 |
Water
|
| Ames Hydro | Public Service Co of Colorado | Ophir, CO | 7 GWh | May 1906 | Mar 2024 |
Water
|
| Foothills Hydro Plant | Denver City & County-Foothills | Littleton, CO | 6 GWh | Apr 1985 | Oct 2024 |
Water
|
| SF Auto T1 | Autoliv ASP, Inc. | Tremonton, UT | 6 GWh | Nov 2023 | Dec 2024 |
Solar
|
| McPhee | U S Bureau of Reclamation | Cortez, CO | 6 GWh | Nov 1992 | May 2024 |
Water
|
| Bar D | Cypress Creek Renewables | Meeker, CO | 6 GWh | Nov 2018 | Dec 2024 |
Solar
|
| Smithfield 3 | Greenbacker Renewable Energy Corporation | Milford, UT | 6 GWh | Jun 2023 | Dec 2024 |
Solar
|
| Cortez Solar 1, LLC | Greenbacker Renewable Energy Corporation | Cortez, CO | 5 GWh | Nov 2022 | Dec 2024 |
Solar
|
| Pikes Peak Solar Garden 1 LLC CSG | Pikes Peak Solar Garden 1 LLC | Colorado Springs, CO | 5 GWh | Jun 2015 | Dec 2024 |
Solar
|
| LPEA Sunnyside Solar 1 Facility | La Plata Electric Assn, Inc | Durango, CO | 5 GWh | Jun 2024 | Dec 2024 |
Solar
|
| Marys Lake | U S Bureau of Reclamation | Estes Park, CO | 5 GWh | Apr 1951 | Dec 2024 |
Water
|
| Beaver Creek Gas Plant | Denbury Inc | Riverton, WY | 4 GWh | Nov 1983 | Dec 2024 |
Natural Gas
|
| Cortez Solar 3, LLC | Greenbacker Renewable Energy Corporation | Cortez, CO | 4 GWh | Feb 2023 | Dec 2024 |
Solar
|
| Burlington (CO) | Tri-State G & T Assn, Inc | Burlington, CO | 4 GWh | May 1977 | Sep 2025 |
Distillate Fuel Oil
|
| Tacoma | Public Service Co of Colorado | Durango, CO | 4 GWh | May 1905 | Dec 2024 |
Water
|
| BH CSG 3 | Pivot Energy | La Junta, CO | 4 GWh | Apr 2023 | Dec 2024 |
Solar
|
| SR Skylark B | SR Skylark B, LLC | Severance, CO | 4 GWh | Aug 2016 | Dec 2024 |
Solar
|
