Power plants operated by Public Service Co of Colorado
Public Service Co of Colorado operates 22 power plants in the 2025 EIA-860 data, with 7,939 MW of nameplate capacity, the 30th-largest fleet among the 5,826 operators on file. All of them are in Colorado. Natural gas is 49% of the capacity; the largest site is Comanche (CO). Its oldest working unit dates from 1905, at Tacoma. Units added from 2020 to 2025 total 823 MW.
- Natural gas3,920 MW49%
- Coal2,270 MW29%
- Wind1,098 MW14%
- Solar326 MW4.1%
- Pumped-storage hydro300 MW3.8%
- Hydroelectric23.8 MW0.3%
Capacity by decade it came online
CoalNatural gasHydroelectricPumped-storage hydroWindSolar
Above the line: capacity operating in 2025. Below: capacity retired at these plants.
Plants
| Plant | State | Runs on | Capacity | First unit |
|---|---|---|---|---|
| Comanche (CO) | Colorado | Coal | 1,253 MW | 1975 |
| Fort St Vrain | Colorado | Natural gas | 1,148 MW | 1996 |
| Cherokee | Colorado | Natural gas | 1,006 MW | 1968 |
| Rocky Mountain Energy Center | Colorado | Natural gas | 685 MW | 2004 |
| Rush Creek Wind | Colorado | Wind | 600 MW | 2018 |
| Pawnee | Colorado | Coal | 552 MW | 1981 |
| Cheyenne Ridge Wind Farm | Colorado | Wind | 498 MW | 2020 |
| Hayden | Colorado | Coal | 465 MW | 1965 |
| Blue Spruce Energy Center | Colorado | Natural gas | 398 MW | 2003 |
| Rocky Mountain Solar | Colorado | Solar | 325 MW | 2025 |
| Cabin Creek | Colorado | Pumped-storage hydro | 300 MW | 1967 |
| Manchief Electric Generating Station | Colorado | Natural gas | 300 MW | 2000 |
| Valmont Combustion Turbine Project | Colorado | Natural gas | 142 MW | 2000 |
| Fort Lupton | Colorado | Natural gas | 101 MW | 1972 |
| Valmont | Colorado | Natural gas | 59.3 MW | 1973 |
| Alamosa | Colorado | Natural gas | 53.2 MW | 1973 |
| Fruita | Colorado | Natural gas | 26.6 MW | 1973 |
| Shoshone (CO) | Colorado | Hydroelectric | 14.4 MW | 1909 |
| Tacoma | Colorado | Hydroelectric | 4.6 MW | 1905 |
| Ames Hydro | Colorado | Hydroelectric | 3.6 MW | 1906 |
| Panasonic Carport Solar Hybrid | Colorado | Solar | 1.3 MW | 2017 |
| Georgetown Hydro | Colorado | Hydroelectric | 1.2 MW | 1906 |