| Fort St Vrain | Public Service Co of Colorado | Platteville, CO | 4 TWh | Apr 1996 | May 2026 |
Natural Gas
|
| Cherokee | Public Service Co of Colorado | Denver, CO | 3 TWh | May 1962 | May 2026 |
Natural Gas
|
| Rocky Mountain Energy Center | Public Service Co of Colorado | Keenesburg, CO | 3 TWh | Apr 2004 | May 2026 |
Natural Gas
|
| Rush Creek Wind | Public Service Co of Colorado | Matheson, CO | 2 TWh | Nov 2018 | May 2026 |
Wind
|
| Cheyenne Ridge Wind Farm | Public Service Co of Colorado | Cheyenne Wells, CO | 2 TWh | Jul 2020 | May 2026 |
Wind
|
| Hayden | Public Service Co of Colorado | Hayden, CO | 2 TWh | Jun 1965 | May 2026 |
Bituminous Coal : 99.9%
|
| Pueblo Airport Generating Station | Black Hills Service Company LLC | Pueblo, CO | 2 TWh | Dec 2011 | May 2026 |
Natural Gas
|
| Pawnee | Public Service Co of Colorado | Brush, CO | 2 TWh | Oct 1981 | May 2026 |
Natural Gas : 54.9%
Subbituminous Coal : 45.1%
|
| Rawhide | Platte River Power Authority | Wellington, CO | 1 TWh | Mar 1984 | May 2026 |
Subbituminous Coal : 82.3%
Natural Gas : 17.6%
|
| Bronco Plains Wind, LLC | Bronco Plains Wind, LLC | Flagler, CO | 1 TWh | Aug 2020 | May 2026 |
Wind
|
| Golden West Power Partners LLC | Golden West Power Partners, LLC | Calhan, CO | 786 GWh | Sep 2015 | May 2026 |
Wind
|
| Bronco Plains Wind II, LLC | Bronco Plains Wind II, LLC | Kit Carson, CO | 754 GWh | Nov 2023 | May 2026 |
Wind
|
| Cedar Point Wind | Cedar Point LLC | Limon, CO | 679 GWh | Apr 2011 | May 2026 |
Wind
|
| Peetz Table Wind Energy | FPL Peetz Table Wind Energy | Peetz, CO | 674 GWh | Aug 2007 | Dec 2025 |
Wind
|
| Neptune Energy Center Hybrid | Neptune Energy Center, LLC | Boone, CO | 654 GWh | May 2023 | May 2026 |
Solar
|
| Limon III Wind LLC | Limon | Limon, CO | 654 GWh | Jul 2014 | May 2026 |
Wind
|
| Cedar Creek Wind | Leeward Asset Management, LLC | Grover, CO | 652 GWh | Oct 2007 | May 2026 |
Wind
|
| JM Shafer Generating Station | Tri-State G & T Assn, Inc | Ft. Lupton, CO | 614 GWh | May 1994 | May 2026 |
Natural Gas
|
| Cedar Creek II | Clearlight Energy Holdings LP | New Raymer, CO | 577 GWh | Feb 2011 | May 2026 |
Wind
|
| Mountain Breeze Wind, LLC | Leeward Asset Management, LLC | Grover, CO | 576 GWh | Sep 2020 | May 2026 |
Wind
|
| Carousel Wind Farm LLC | Carousel Wind Farm, LLC | Burlington, CO | 568 GWh | Oct 2015 | Dec 2025 |
Wind
|
| Colorado Green Holdings LLC | Avangrid Power LLC | Lamar, CO | 564 GWh | Nov 2003 | Dec 2025 |
Wind
|
| Bighorn Solar 1 | Lightsource Renewable Energy Asset Management, LLC | Pueblo, CO | 559 GWh | Oct 2021 | May 2026 |
Solar
|
| Logan Wind Energy | Logan Wind Energy LLC | Peetz, CO | 555 GWh | Sep 2007 | May 2026 |
Wind
|
| Limon Wind I | Limon | Limon, CO | 554 GWh | Oct 2012 | May 2026 |
Wind
|
| Northern Colorado Wind LLC | Northern Colorado Wind LLC | Peetz, CO | 531 GWh | Jul 2009 | Dec 2025 |
Wind
|
| Spindle Hill Energy Center | Invenergy Services LLC | Fort Lupton, CO | 517 GWh | Apr 2007 | May 2026 |
Natural Gas
|
| Thunder Wolf Energy Center Hybrid | Thunder Wolf Energy Center, LLC | Avondale, CO | 513 GWh | May 2023 | May 2026 |
Solar
|
| Limon Wind II | Limon | Limon, CO | 486 GWh | Oct 2012 | May 2026 |
Wind
|
| Pike Solar Hybrid | Duke Energy Renewables Services | Fountain, CO | 427 GWh | Nov 2023 | May 2026 |
Solar
|
| Sun Mountain Solar 1 | Lightsource Renewable Energy Asset Management, LLC | Unincorporated Pueblo, CO | 421 GWh | Nov 2022 | May 2026 |
Solar
|
| Arapahoe Combustion Turbine Project | SWG Arapahoe, LLC | Denver, CO | 362 GWh | Apr 2000 | May 2026 |
Natural Gas
|
| Spanish Peaks Solar | Spanish Peaks Solar LLC | Trinidad, CO | 355 GWh | Nov 2024 | May 2026 |
Solar
|
| Blue Spruce Energy Center | Public Service Co of Colorado | Aurora, CO | 305 GWh | Apr 2003 | May 2026 |
Natural Gas : 99.9%
|
| Rocky Mountain Solar | Public Service Co of Colorado | Avondale, CO | 302 GWh | Nov 2025 | May 2026 |
Solar
|
| Manchief Electric Generating Station | Public Service Co of Colorado | Brush, CO | 276 GWh | May 2000 | May 2026 |
Natural Gas
|
| Twin Buttes Wind Project | Avangrid Power LLC | Lamar, CO | 228 GWh | Jun 2007 | Dec 2025 |
Wind
|
| Comanche Solar | Onward Energy | Pueblo, CO | 215 GWh | Aug 2016 | May 2026 |
Solar
|
| Hunter Solar, LLC (CO) | Hunter Solar, LLC | Bennett, CO | 194 GWh | Nov 2023 | May 2026 |
Solar
|
| Fountain Valley Power Facility | Fountain Valley Power LLC | Fountain, CO | 188 GWh | Jun 2001 | May 2026 |
Natural Gas
|
| Black Hollow Sun | Contour Global | Auit, CO | 181 GWh | Sep 2025 | May 2026 |
Solar
|
| Peak View Wind Farm | Black Hills Colorado Electric, LLC | Walsenburg, CO | 181 GWh | Oct 2016 | Dec 2025 |
Wind
|
| Axial Basin Solar | Tri-State G & T Assn, Inc | Meeker, CO | 179 GWh | Sep 2025 | May 2026 |
Solar
|
| Pioneer Solar (CO), LLC | Pioneer Solar (CO), LLC | Bennett, CO | 173 GWh | May 2021 | May 2026 |
Solar
|
| Busch Ranch II Wind Farm | Black Hills Electric Generation LLC | Walsenburg, CO | 163 GWh | Oct 2019 | May 2026 |
Wind
|
| Spring Canyon | Invenergy Services LLC | Peetz, CO | 154 GWh | Jan 2006 | Dec 2024 |
Wind
|
| Cabin Creek | Public Service Co of Colorado | Georgetown, CO | 128 GWh | May 1967 | May 2026 |
Water
|
| Brush Generation Facility | Brush Power LLC | Brush, CO | 126 GWh | Sep 1990 | Dec 2025 |
Natural Gas
|
| Hooper Solar | Solar Star Colorado III, LLC | Mosca, CO | 122 GWh | Nov 2015 | Dec 2025 |
Solar
|
| Colorado Energy Nations Company | Molson Coors USA LLC | Golden, CO | 115 GWh | Aug 1976 | May 2026 |
Natural Gas
|
| Spring Canyon Expansion Wind Energy Ctr | Spring Canyon Expansion LLC | Peetz, CO | 104 GWh | Sep 2014 | Dec 2025 |
Wind
|
| Frank Knutson | Tri-State G & T Assn, Inc | Commerce City, CO | 102 GWh | Apr 2002 | Dec 2025 |
Natural Gas : 99.7%
|
| Titan Solar | Titan Solar, LLC | Deer Trail, CO | 95 GWh | Nov 2018 | May 2026 |
Solar
|
| Shoshone (CO) | Public Service Co of Colorado | Glenwood Springs, CO | 92 GWh | May 1909 | Dec 2025 |
Water
|
| Alamosa Solar | Solar of Alamosa LLC | Mosca, CO | 77 GWh | Mar 2012 | Dec 2025 |
Solar
|
| Busch Ranch Wind Energy | Black Hills Colorado Electric, LLC | Walsenburg, CO | 69 GWh | Sep 2012 | Dec 2025 |
Wind
|
| San Isabel Solar, LLC | San Isabel Solar, LLC | Trinidad, CO | 68 GWh | Nov 2016 | May 2026 |
Solar
|
| San Luis Valley Solar Ranch | Avangrid Power LLC | Mosca, CO | 62 GWh | Nov 2011 | May 2026 |
Solar
|
| Bison Solar LLC | Bison Solar LLC | Wellington, CO | 58 GWh | Sep 2016 | May 2026 |
Solar
|
| Valmont Combustion Turbine Project | Public Service Co of Colorado | Boulder, CO | 46 GWh | Apr 2000 | Dec 2025 |
Natural Gas
|
| Rawhide Prairie Solar Hybrid | Greenbacker Renewable Energy Corporation | Wellington, CO | 44 GWh | Feb 2021 | Dec 2024 |
Solar
|
| Metro Wastewater Reclamation District | ENGIE Denver Metro LLC | Denver, CO | 36 GWh | Mar 1985 | May 2026 |
Other Biomass Gas
|
| SR Platte Solar Farm | SR Platte, LLC | Platteville, CO | 34 GWh | Oct 2017 | Dec 2025 |
Solar
|
| SR Jenkins Ft Lupton | SR Jenkins, LLC | Ft. Lupton, CO | 31 GWh | Apr 2016 | Dec 2025 |
Solar
|
| Victory Solar LLC | Duke Energy Renewables Services | Bennett, CO | 28 GWh | Nov 2016 | Dec 2025 |
Solar
|
| Alamosa | Public Service Co of Colorado | Alamosa, CO | 27 GWh | May 1973 | Dec 2025 |
Natural Gas : 96.8%
Distillate Fuel Oil : 3.2%
|
| DIA 9 | Greenbacker Renewable Energy Corporation | Denver, CO | 24 GWh | Sep 2024 | Dec 2025 |
Solar
|
| Overland | Greenbacker Renewable Energy Corporation | Hudson, CO | 22 GWh | Nov 2024 | Dec 2025 |
Solar
|
| American Gypsum Cogeneration | Eagle Materials Co LLC | Gypsum, CO | 21 GWh | Feb 1990 | May 2026 |
Natural Gas : 99.9%
|
| Gaylord Rockies CHP | Unison Energy LLC | Aurora, CO | 19 GWh | Apr 2022 | Dec 2025 |
Natural Gas
|
| Plains End II LLC | Plains End Operating Services LLC | Arvada, CO | 19 GWh | Apr 2008 | Dec 2025 |
Natural Gas
|
| Valmont | Public Service Co of Colorado | Boulder, CO | 19 GWh | Apr 1964 | May 2026 |
Natural Gas
|
| Wheeler Gulch Solar, LLC | Standard Solar | Parachute, CO | 17 GWh | Nov 2023 | Dec 2025 |
Solar
|
| DADS Gas Recovery | WM Renewable Energy LLC | Aurora, CO | 17 GWh | Jun 2008 | Dec 2025 |
Landfill Gas
|
| High Mesa CO | AES Clean Energy | Parachute, CO | 15 GWh | Feb 2025 | Dec 2025 |
Solar
|
| Fort Lupton | Public Service Co of Colorado | Ft. Lupton, CO | 15 GWh | Mar 1972 | Dec 2025 |
Natural Gas : 94.1%
Distillate Fuel Oil : 5.9%
|
| Vinelands Power Plant | Grand Valley Power LLC | Palisade, CO | 15 GWh | Oct 2022 | Dec 2025 |
Water
|
| Ash Mesa Solar, LLC | Headwater Energy, LLC | Olathe, CO | 14 GWh | May 2022 | Dec 2025 |
Solar
|
| Basalt | City of Aspen- (CO) | Aspen, CO | 14 GWh | Aug 1985 | Dec 2025 |
Water
|
| SunE Alamosa | SunE Alamosa1 LLC | Hooper, CO | 13 GWh | Nov 2007 | Dec 2025 |
Solar
|
| IBM Solar | Madison Energy Investments LLC | Boulder, CO | 13 GWh | Jun 2019 | Sep 2025 |
Solar
|
| CBEP Solar 5, LLC | Green Street Power Partners | Johnstown, CO | 11 GWh | Nov 2023 | Dec 2025 |
Solar
|
| Dillon Hydro Plant | Denver City & County of - (CO) | Summit, CO | 11 GWh | Sep 1987 | Sep 2025 |
Water
|
| CBEP Solar 1, LLC | Green Street Power Partners | Sterling, CO | 11 GWh | Sep 2023 | Dec 2025 |
Solar
|
| Plains End | Plains End Operating Services LLC | Arvada, CO | 10 GWh | Apr 2002 | Dec 2025 |
Natural Gas
|
| East Victory Way Solar | East Victory Way Solar LLC | Craig, CO | 10 GWh | Oct 2023 | Dec 2025 |
Solar
|
| CBEP Solar 4, LLC | Green Street Power Partners | Milliken, CO | 9 GWh | Oct 2023 | Dec 2025 |
Solar
|
| Gross Hydro Plant | Denver City & County of - (CO) | Boulder, CO | 9 GWh | Jul 2007 | Dec 2025 |
Water
|
| CBEP Solar 7 | Green Street Power Partners | Johnstown, CO | 9 GWh | Jul 2024 | Dec 2025 |
Solar
|
| Ameresco HCE Solar LLC | Ameresco HCE Solar LLC | Glenwood Springs, CO | 9 GWh | Jul 2023 | Dec 2024 |
Solar
|
| Gilcrest V CSG | SunShare Management | Platteville, CO | 9 GWh | Jan 2021 | Dec 2025 |
Solar
|
| Boulder Canyon Hydro | Boulder, City of - (CO) | Boulder, CO | 8 GWh | May 2013 | Oct 2025 |
Water
|
| Vasquez V CSG | SunShare Management | Platteville, CO | 8 GWh | Nov 2021 | Dec 2025 |
Solar
|
| Lamar Plant | City of Lamar - (CO) | Lamar, CO | 8 GWh | Dec 1945 | Dec 2025 |
Wind
|
| Hillcrest Pump Station | Denver City & County of - (CO) | Denver, CO | 8 GWh | May 1993 | Dec 2025 |
Water
|
| Boulder City Lakewood Hydro | Boulder, City of - (CO) | Boulder, CO | 7 GWh | Jan 2004 | Dec 2025 |
Water
|
| Boulder City Betasso Hydro Plant | Boulder, City of - (CO) | Boulder, CO | 7 GWh | Nov 1987 | Dec 2025 |
Water
|
| Western Sugar Coop- Ft Morgan | Western Sugar Cooperative | Fort Morgan, CO | 7 GWh | Aug 1947 | Mar 2026 |
Natural Gas
|
| Redlands Water & Power | Redlands Water & Power Company | Grand Junction, CO | 7 GWh | Jul 1931 | Dec 2024 |
Water
|
| Strontia Springs Hydro Plant | Denver City & County of - (CO) | Littleton, CO | 7 GWh | Jun 1986 | Dec 2025 |
Water
|
