Directory of Power Plants in Colorado
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| George Birdsall | City of Colorado Springs - (CO) | Colorado Springs, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 42.5 GWh | Jul 1953 | Nov 2025 | Natural Gas |
| Green Mountain | U S Bureau of Reclamation | Kremmling, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 28.5 GWh | Apr 1943 | Dec 2025 | Water |
| Gross Hydro Plant | Denver City & County of - (CO) | Boulder, CO | Public Service Company of Colorado (PSCO) | 9.2 GWh | Jul 2007 | Dec 2025 | Water |
| Gilcrest Solar | Terraform Arcadia | Platteville, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 3.5 GWh | Jul 2018 | Dec 2025 | Solar |
| Gilcrest V CSG | SunShare Management | Platteville, CO | Public Service Company of Colorado (PSCO) | 8.6 GWh | Jan 2021 | Dec 2025 | Solar |
| Gilcrest Sun CSG | SunShare Management | Platteville, CO | Public Service Company of Colorado (PSCO) | 4.2 GWh | Nov 2021 | Dec 2025 | Solar |
| Gaylord Rockies CHP | Unison Energy LLC | Aurora, CO | Public Service Company of Colorado (PSCO) | 19.5 GWh | Apr 2022 | Dec 2025 | Natural Gas |
| Golden West Power Partners LLC | Golden West Power Partners, LLC | Calhan, CO | Public Service Company of Colorado (PSCO) | 786.4 GWh | Sep 2015 | May 2026 | Wind |
| Granby Hydro | Northern Water Hydropower Enterprise | Granby, CO | Public Service Company of Colorado (PSCO) | 5.3 GWh | Apr 2016 | May 2026 | Water |
| Grazing Yak Solar | Grazing Yak Solar, LLC | Calhan, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 69.8 GWh | Oct 2019 | May 2026 | Solar |
| Garnet Mesa Solar | Garnet Mesa Solar LLC | Delta, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 159.5 GWh | Jul 2025 | May 2026 | Solar |
Browse Power Plants By Colorado Counties
Figures are based on May 2026 generation numbers.| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Weld County, CO | # 1 | 62 | 11.2 TWh |
| Pueblo County, CO | # 2 | 21 | 6.5 TWh |
| El Paso County, CO | # 3 | 20 | 5.3 TWh |
| Adams County, CO | # 4 | 37 | 4.1 TWh |
| Moffat County, CO | # 5 | 3 | 3.4 TWh |
| Logan County, CO | # 6 | 18 | 3.2 TWh |
| Kit Carson County, CO | # 7 | 9 | 3.0 TWh |
| Lincoln County, CO | # 8 | 5 | 2.5 TWh |
| Elbert County, CO | # 9 | 2 | 2.2 TWh |
| Larimer County, CO | # 10 | 13 | 2.1 TWh |
| Morgan County, CO | # 11 | 13 | 1.9 TWh |
| Cheyenne County, CO | # 12 | 2 | 1.9 TWh |
| Routt County, CO | # 13 | 1 | 1.6 TWh |
| Prowers County, CO | # 14 | 4 | 868.1 GWh |
| Montrose County, CO | # 15 | 10 | 490.4 GWh |
| Huerfano County, CO | # 16 | 4 | 426.7 GWh |
| Las Animas County, CO | # 17 | 4 | 422.4 GWh |
| Denver County, CO | # 18 | 9 | 414.0 GWh |
| Arapahoe County, CO | # 19 | 22 | 344.5 GWh |
| Alamosa County, CO | # 20 | 9 | 312.7 GWh |
| Bent County, CO | # 21 | 2 | 228.2 GWh |
| Gunnison County, CO | # 22 | 2 | 198.0 GWh |
| Delta County, CO | # 23 | 2 | 159.5 GWh |
| Jefferson County, CO | # 24 | 9 | 159.0 GWh |
| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Garfield County, CO | # 25 | 13 | 150.6 GWh |
| Clear Creek County, CO | # 26 | 3 | 128.4 GWh |
| Dolores County, CO | # 27 | 1 | 121.1 GWh |
| Boulder County, CO | # 28 | 12 | 119.6 GWh |
| La Plata County, CO | # 29 | 4 | 71.0 GWh |
| Mesa County, CO | # 30 | 13 | 69.1 GWh |
| Summit County, CO | # 31 | 2 | 39.6 GWh |
| Eagle County, CO | # 32 | 3 | 35.0 GWh |
| Montezuma County, CO | # 33 | 8 | 32.9 GWh |
| Park County, CO | # 34 | 1 | 21.9 GWh |
| Grand County, CO | # 35 | 3 | 19.3 GWh |
| Douglas County, CO | # 36 | 3 | 13.3 GWh |
| Rio Blanco County, CO | # 37 | 3 | 12.2 GWh |
| Ouray County, CO | # 38 | 1 | 12.0 GWh |
| Pitkin County, CO | # 39 | 2 | 9.3 GWh |
| Baca County, CO | # 40 | 5 | 9.1 GWh |
| Chaffee County, CO | # 41 | 3 | 7.3 GWh |
| Conejos County, CO | # 42 | 2 | 6.8 GWh |
| Saguache County, CO | # 43 | 2 | 5.1 GWh |
| Rio Grande County, CO | # 44 | 1 | 4.0 GWh |
| Fremont County, CO | # 45 | 2 | 3.9 GWh |
| Crowley County, CO | # 46 | 1 | 3.9 GWh |
| Otero County, CO | # 47 | 3 | 3.7 GWh |
| Jackson County, CO | # 48 | 1 | 2.1 GWh |