Colorado · Public Service Company of Colorado
Comanche (470)
Federal support
Key facts
2Coal unitsof 382 tracked nationally
1.1 GWCapacity0.6% of the tracked fleet
51 yearsAge of oldest unitcame online in 1975
4.9 MtCO2 in 20250.6% of fleet-wide emissions
1,972 tSO2 in 2025
39.6 lbsMercury in 2025
4,165 GWh2025 net generation0.6% of tracked generation
In 2021, clean power produced energy 40.8% more cheaply
Annual savings with clean power in 2021$41.5M≈40.8% cheaper than running this plant — estimated from its capacity at a 42% capacity factor.
- Gap
- $10.1/MWh
- Difference
- +40.8%
- Cheapest clean power alternative
- local solar
Units (2)
| Expand | Type | Status | Retirement | |||
|---|---|---|---|---|---|---|
| 2 | Dry bottom wall-fired boiler | 370 | 1975 (51yrs) | Operating | 12/2026 (was 12/2025) | |
| 3 | Tangentially-fired | 750 | 2010 (16yrs) | Operating | 12/2030 |
Retirement changes
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