Hayden
Hayden is a coal plant in Routt County, Colorado, operated by Public Service Co of Colorado. The operator has reported planned retirement dates for 465 MW of it, between 2027 and 2028. Its oldest working unit dates from 1965, earlier than at any other coal plant in Colorado. Ownership is shared by three organizations; the largest stake, 53%, is held by Public Service Co of Colorado.
Nameplate capacity, 2025
465 MW
441 MW net summer capacity
2 operable units
- Coal steam465 MW100%
Unit by unit, 1965 to 2025
operating in 2025reported planned retirementbar height follows unit size
Unit 1 Coal steam, 190 MW, 1965
Unit 2 Coal steam, 275 MW, 1976
Among Colorado’s plants
Largest plants in the state by nameplate capacity, with the plants ranked next to this one.
- 1Craig (CO)1,428 MW
- 2Comanche (CO)1,253 MW
- 3Fort St Vrain1,148 MW
- 9Pawnee552 MW
- 10Cheyenne Ridge Wind Farm498 MW
- 11Haydenthis plant
- 12Neptune Energy Center Hybrid450 MW
- 13Pueblo Airport Generating Station440 MW
Other rankings
- All US power plants
- 780th of 14,286
- Power plants in Colorado
- 11th of 320
- US coal plants
- 123rd of 195
- Coal plants in Colorado
- 4th of 5
- Plants in the Public Service Company of Colorado balancing area
- 8th of 192
- Plants run by Public Service Co of Colorado
- 8th of 22
- Biggest single unit, among Colorado’s plants
- 13th of 320
Operable units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| 1 | Coal steam | 190 MW | 179 MW | 1965 | Operating, retirement planned for 2028 |
| 2 | Coal steam | 275 MW | 262 MW | 1976 | Operating, retirement planned for 2027 |
Who owns it
Shares are weighted by the nameplate capacity of each unit an owner holds.
| Owner | Share of capacity |
|---|---|
| Public Service Co of Colorado | 53.0% |
| Salt River Project | 29.6% |
| PacifiCorp | 17.5% |
Grid and site
- Balancing area
- Public Service Company of Colorado
- Reliability region
- Western Electricity Coordinating Council
- Highest grid connection voltage
- 230 kV
- Water source
- Yampa River
- Nearest town on record
- Hayden
- Operator type
- Utility
- Coordinates
- 40.486°N, 107.185°W
Closest plants
| Plant | Runs on | Capacity | Distance |
|---|---|---|---|
| East Victory Way Solar | Solar | 4 MW | 16.8 mi west |
| Craig (CO) | Coal | 1,428 MW | 21.4 mi west |
| Axial Basin Solar | Solar | 145 MW | 31.8 mi west |
| Whiskey Hill Solar | Solar | 1 MW | 52.1 mi northeast |
| American Gypsum Cogeneration | Natural gas | 9.6 MW | 59.2 mi south |
| Williams Fork Hydro Plant | Hydroelectric | 3.5 MW | 60.3 mi southeast |
| Green Mountain | Hydroelectric | 26 MW | 61.5 mi southeast |
| Shoshone (CO) | Hydroelectric | 14.4 MW | 63.3 mi south |