| Fort St Vrain | Public Service Co of Colorado | Platteville, CO | 4 TWh | Apr 1996 | Dec 2025 |
Natural Gas
|
| Cherokee | Public Service Co of Colorado | Denver, CO | 4 TWh | May 1962 | Dec 2025 |
Natural Gas
|
| Hayden | Public Service Co of Colorado | Hayden, CO | 2 TWh | Jun 1965 | Nov 2025 |
Bituminous Coal : 99.9%
|
| Rocky Mountain Energy Center | Public Service Co of Colorado | Keenesburg, CO | 2 TWh | Apr 2004 | Dec 2025 |
Natural Gas
|
| Rush Creek Wind | Public Service Co of Colorado | Matheson, CO | 2 TWh | Nov 2018 | Dec 2025 |
Wind
|
| Cheyenne Ridge Wind Farm | Public Service Co of Colorado | Cheyenne Wells, CO | 2 TWh | Jul 2020 | Dec 2025 |
Wind
|
| Pueblo Airport Generating Station | Black Hills Service Company LLC | Pueblo, CO | 2 TWh | Dec 2011 | Dec 2025 |
Natural Gas
|
| Rawhide | Platte River Power Authority | Wellington, CO | 1 TWh | Mar 1984 | Dec 2025 |
Subbituminous Coal : 91.5%
Natural Gas : 8.4%
|
| Pawnee | Public Service Co of Colorado | Brush, CO | 1 TWh | Oct 1981 | Dec 2025 |
Subbituminous Coal : 98.8%
Natural Gas : 1.2%
|
| Bronco Plains Wind, LLC | Bronco Plains Wind, LLC | Flagler, CO | 1 TWh | Aug 2020 | Dec 2025 |
Wind
|
| Golden West Power Partners LLC | Golden West Power Partners, LLC | Calhan, CO | 798 GWh | Sep 2015 | Dec 2025 |
Wind
|
| JM Shafer Generating Station | Tri-State G & T Assn, Inc | Ft. Lupton, CO | 717 GWh | May 1994 | Dec 2025 |
Natural Gas
|
| Spindle Hill Energy Center | Invenergy Services LLC | Fort Lupton, CO | 705 GWh | Apr 2007 | Dec 2025 |
Natural Gas
|
| Cedar Point Wind | Cedar Point LLC | Limon, CO | 693 GWh | Apr 2011 | Dec 2025 |
Wind
|
| Cedar Creek Wind | Leeward Asset Management, LLC | Grover, CO | 689 GWh | Oct 2007 | Dec 2025 |
Wind
|
| Peetz Table Wind Energy | FPL Peetz Table Wind Energy | Peetz, CO | 687 GWh | Aug 2007 | Dec 2024 |
Wind
|
| Neptune Energy Center Hybrid | Neptune Energy Center, LLC | Boone, CO | 679 GWh | May 2023 | Dec 2025 |
Solar
|
| Bronco Plains Wind II, LLC | Bronco Plains Wind II, LLC | Kit Carson, CO | 669 GWh | Nov 2023 | Dec 2025 |
Wind
|
| Limon III Wind LLC | Limon | Limon, CO | 650 GWh | Jul 2014 | Dec 2025 |
Wind
|
| Carousel Wind Farm LLC | Carousel Wind Farm, LLC | Burlington, CO | 614 GWh | Oct 2015 | Dec 2024 |
Wind
|
| Cedar Creek II | AE Power Services LLC | New Raymer, CO | 607 GWh | Feb 2011 | Dec 2025 |
Wind
|
| Mountain Breeze Wind, LLC | Leeward Asset Management, LLC | Grover, CO | 599 GWh | Sep 2020 | Dec 2025 |
Wind
|
| Colorado Green Holdings LLC | Avangrid Power LLC | Lamar, CO | 595 GWh | Nov 2003 | Dec 2024 |
Wind
|
| Bighorn Solar 1 | Lightsource Renewable Energy Asset Management, LLC | Pueblo, CO | 583 GWh | Oct 2021 | Dec 2025 |
Solar
|
| Limon Wind I | Limon | Limon, CO | 570 GWh | Oct 2012 | Dec 2025 |
Wind
|
| Northern Colorado Wind LLC | Northern Colorado Wind LLC | Peetz, CO | 558 GWh | Jul 2009 | Dec 2024 |
Wind
|
| Logan Wind Energy | Logan Wind Energy LLC | Peetz, CO | 557 GWh | Sep 2007 | Dec 2025 |
Wind
|
| Thunder Wolf Energy Center Hybrid | Thunder Wolf Energy Center, LLC | Avondale, CO | 544 GWh | May 2023 | Dec 2025 |
Solar
|
| Limon Wind II | Limon | Limon, CO | 485 GWh | Oct 2012 | Dec 2025 |
Wind
|
| Sun Mountain Solar 1 | Lightsource Renewable Energy Asset Management, LLC | Unincorporated Pueblo, CO | 448 GWh | Nov 2022 | Dec 2025 |
Solar
|
| Pike Solar Hybrid | Duke Energy Renewables Services | Fountain, CO | 446 GWh | Nov 2023 | Dec 2025 |
Solar
|
| Blue Spruce Energy Center | Public Service Co of Colorado | Aurora, CO | 406 GWh | Apr 2003 | Dec 2025 |
Natural Gas : 99.9%
|
| Spanish Peaks Solar | Spanish Peaks Solar LLC | Trinidad, CO | 344 GWh | Nov 2024 | Dec 2025 |
Solar
|
| Arapahoe Combustion Turbine Project | SWG Arapahoe, LLC | Denver, CO | 310 GWh | Apr 2000 | Dec 2025 |
Natural Gas
|
| Manchief Electric Generating Station | Public Service Co of Colorado | Brush, CO | 284 GWh | May 2000 | Dec 2025 |
Natural Gas
|
| Frank Knutson | Tri-State G & T Assn, Inc | Commerce City, CO | 276 GWh | Apr 2002 | Dec 2024 |
Natural Gas : 98.3%
Distillate Fuel Oil : 1.7%
|
| Fountain Valley Power Facility | Fountain Valley Power LLC | Fountain, CO | 238 GWh | Jun 2001 | Dec 2025 |
Natural Gas
|
| Twin Buttes Wind Project | Avangrid Power LLC | Lamar, CO | 233 GWh | Jun 2007 | Dec 2024 |
Wind
|
| Comanche Solar | Onward Energy | Pueblo, CO | 228 GWh | Aug 2016 | Dec 2025 |
Solar
|
| Hunter Solar, LLC (CO) | Hunter Solar, LLC | Bennett, CO | 198 GWh | Nov 2023 | Dec 2025 |
Solar
|
| Peak View Wind Farm | Black Hills Colorado Electric, LLC | Walsenburg, CO | 190 GWh | Oct 2016 | Dec 2024 |
Wind
|
| Pioneer Solar (CO), LLC | Pioneer Solar (CO), LLC | Bennett, CO | 180 GWh | May 2021 | Dec 2025 |
Solar
|
| Spring Canyon | Invenergy Services LLC | Peetz, CO | 154 GWh | Jan 2006 | Dec 2024 |
Wind
|
| Brush Generation Facility | Brush Power LLC | Brush, CO | 154 GWh | Sep 1990 | Dec 2024 |
Natural Gas
|
| Busch Ranch II Wind Farm | Black Hills Electric Generation LLC | Walsenburg, CO | 139 GWh | Oct 2019 | Dec 2025 |
Wind
|
| Cabin Creek | Public Service Co of Colorado | Georgetown, CO | 125 GWh | May 1967 | Dec 2025 |
Water
|
| Colorado Energy Nations Company | Molson Coors USA LLC | Golden, CO | 119 GWh | Aug 1976 | Dec 2025 |
Natural Gas
|
| Hooper Solar | Solar Star Colorado III, LLC | Mosca, CO | 118 GWh | Nov 2015 | Dec 2024 |
Solar
|
| Titan Solar | Titan Solar, LLC | Deer Trail, CO | 97 GWh | Nov 2018 | Dec 2025 |
Solar
|
| Busch Ranch Wind Energy | Black Hills Colorado Electric, LLC | Walsenburg, CO | 84 GWh | Sep 2012 | Dec 2024 |
Wind
|
| Spring Canyon Expansion Wind Energy Ctr | Spring Canyon Expansion LLC | Peetz, CO | 72 GWh | Sep 2014 | Dec 2024 |
Wind
|
| San Isabel Solar, LLC | San Isabel Solar, LLC | Trinidad, CO | 69 GWh | Nov 2016 | Dec 2025 |
Solar
|
| San Luis Valley Solar Ranch | Avangrid Power LLC | Mosca, CO | 66 GWh | Nov 2011 | Dec 2025 |
Solar
|
| Bison Solar LLC | Bison Solar LLC | Wellington, CO | 59 GWh | Sep 2016 | Dec 2025 |
Solar
|
| Eagle Valley Clean Energy LLC Biomass | Eagle Valley Clean Energy LLC | Gypsum, CO | 57 GWh | Nov 2013 | Apr 2024 |
Wood/Wood Waste Solids
|
| Black Hollow Sun | Contour Global | Auit, CO | 56 GWh | - | Dec 2025 |
Solar
|
| Ridge Crest Wind Partners | Terra-Gen Operating Co-Wind | Peetz, CO | 51 GWh | Nov 2001 | Dec 2023 |
Wind
|
| Axial Basin Solar | Tri-State G & T Assn, Inc | Meeker, CO | 47 GWh | - | Dec 2025 |
Solar
|
| Valmont Combustion Turbine Project | Public Service Co of Colorado | Boulder, CO | 46 GWh | Apr 2000 | Dec 2024 |
Natural Gas
|
| Rawhide Prairie Solar Hybrid | Greenbacker Renewable Energy Corporation | Wellington, CO | 44 GWh | Feb 2021 | Dec 2024 |
Solar
|
| Greater Sandhill I | Greater Sandhill I LLC | Mosca, CO | 43 GWh | Aug 2010 | Dec 2023 |
Solar
|
| Metro Wastewater Reclamation District | ENGIE Denver Metro LLC | Denver, CO | 37 GWh | Mar 1985 | Dec 2025 |
Other Biomass Gas
|
| Alamosa Solar | Solar of Alamosa LLC | Mosca, CO | 35 GWh | Mar 2012 | Dec 2023 |
Solar
|
| SR Platte Solar Farm | SR Platte, LLC | Platteville, CO | 35 GWh | Oct 2017 | Dec 2024 |
Solar
|
| SR Jenkins Ft Lupton | SR Jenkins, LLC | Ft. Lupton, CO | 31 GWh | Apr 2016 | Dec 2024 |
Solar
|
| Victory Solar LLC | Duke Energy Renewables Services | Bennett, CO | 29 GWh | Nov 2016 | Dec 2024 |
Solar
|
| Shoshone (CO) | Public Service Co of Colorado | Glenwood Springs, CO | 28 GWh | May 1909 | Dec 2024 |
Water
|
| Valmont | Public Service Co of Colorado | Boulder, CO | 23 GWh | Apr 1964 | Dec 2025 |
Natural Gas
|
| Gaylord Rockies CHP | Unison Energy LLC | Aurora, CO | 22 GWh | Apr 2022 | Dec 2024 |
Natural Gas
|
| American Gypsum Cogeneration | Eagle Materials Co LLC | Gypsum, CO | 21 GWh | Feb 1990 | Dec 2025 |
Natural Gas : 99.6%
|
| DADS Gas Recovery | WM Renewable Energy LLC | Aurora, CO | 19 GWh | Jun 2008 | Dec 2024 |
Landfill Gas
|
| Basalt | City of Aspen- (CO) | Aspen, CO | 19 GWh | Aug 1985 | Dec 2024 |
Water
|
| Ash Mesa Solar, LLC | Ash Mesa Solar, LLC | Olathe, CO | 16 GWh | May 2022 | Dec 2024 |
Solar
|
| Vinelands Power Plant | Grand Valley Power LLC | Palisade, CO | 16 GWh | Oct 2022 | Dec 2024 |
Water
|
| SunE Alamosa | SunE Alamosa1 LLC | Hooper, CO | 13 GWh | Nov 2007 | Dec 2024 |
Solar
|
| Lamar Plant | City of Lamar - (CO) | Lamar, CO | 13 GWh | Dec 1945 | Dec 2024 |
Wind
|
| Fort Lupton | Public Service Co of Colorado | Ft. Lupton, CO | 12 GWh | Mar 1972 | Dec 2024 |
Natural Gas : 92.9%
Distillate Fuel Oil : 7.1%
|
| Dillon Hydro Plant | Denver City & County of | Summit, CO | 12 GWh | Sep 1987 | Dec 2024 |
Water
|
| Gross Hydro Plant | Denver City & County of | Boulder, CO | 11 GWh | Jul 2007 | Nov 2024 |
Water
|
| CBEP Solar 1, LLC | Green Street Power Partners | Sterling, CO | 11 GWh | Sep 2023 | Dec 2024 |
Solar
|
| IBM Solar | DG Colorado Solar, LLC | Boulder, CO | 11 GWh | Jun 2019 | Dec 2024 |
Solar
|
| Alamosa | Public Service Co of Colorado | Alamosa, CO | 11 GWh | May 1973 | Dec 2024 |
Natural Gas : 96.4%
Distillate Fuel Oil : 3.6%
|
| Plains End II LLC | Plains End Operating Services LLC | Arvada, CO | 10 GWh | Apr 2008 | Dec 2024 |
Natural Gas
|
| Gilcrest V CSG | SunShare Management | Platteville, CO | 10 GWh | Jan 2021 | Dec 2024 |
Solar
|
| CBEP Solar 5, LLC | Green Street Power Partners | Johnstown, CO | 10 GWh | Nov 2023 | Dec 2024 |
Solar
|
| Boulder City Silver Lake Hydro | Boulder City of | Boulder, CO | 9 GWh | Apr 2000 | Dec 2024 |
Water
|
| East Victory Way Solar | East Victory Way Solar LLC | Craig, CO | 9 GWh | Oct 2023 | Dec 2024 |
Solar
|
| Ameresco HCE Solar LLC | Ameresco HCE Solar LLC | Glenwood Springs, CO | 9 GWh | Jul 2023 | Dec 2024 |
Solar
|
| Boulder City Lakewood Hydro | Boulder City of | Boulder, CO | 9 GWh | Jan 2004 | Dec 2024 |
Water
|
| Boulder City Betasso Hydro Plant | Boulder City of | Boulder, CO | 9 GWh | Nov 1987 | Dec 2024 |
Water
|
| DIA 8 | Greenbacker Renewable Energy Corporation | Denver, CO | 8 GWh | Jan 2023 | Dec 2024 |
Solar
|
| Vasquez V CSG | SunShare Management | Platteville, CO | 8 GWh | Nov 2021 | Dec 2024 |
Solar
|
| CBEP Solar 4, LLC | Green Street Power Partners | Milliken, CO | 8 GWh | Oct 2023 | Dec 2024 |
Solar
|
| Redlands Water & Power | Redlands Water & Power Company | Grand Junction, CO | 7 GWh | Jul 1931 | Dec 2024 |
Water
|
| Hillcrest Pump Station | Denver City & County of | Denver, CO | 7 GWh | May 1993 | Oct 2024 |
Water
|
| Plains End | Plains End Operating Services LLC | Arvada, CO | 6 GWh | Apr 2002 | Dec 2024 |
Natural Gas
|
| Springfield Wind | Arkansas River Power Authority | Springfield, CO | 5 GWh | Jan 2004 | Dec 2024 |
Wind
|
| Granby Hydro | Northern Water Hydropower Enterprise | Granby, CO | 5 GWh | Apr 2016 | Dec 2025 |
Water
|
| San Luis Valley Solar Array | AEP Onsite Partners, LLC | Center, CO | 5 GWh | Oct 2017 | Dec 2024 |
Solar
|
| USS Giveback Solar LLC (CSG) | United States Solar Corporation | Pueblo, CO | 5 GWh | Nov 2023 | Dec 2024 |
Solar
|
