Comanche (CO)Retirement planned
Pueblo County, Colorado · EIA plant ID 470 · Operator: Public Service Co of Colorado
×383 MW coal retired since 2020 (latest Dec 2022)
Nameplate1,253MWSummer 1,085 MW
Generators2in service
Net generation1,847GWh12 mo to Aug 2026
Capacity factor19%gas/coal/oil units, summer MW
Heat rate10,639Btu/kWhfossil units, electric fuel, HHV
First online1975Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 4,583.6 | 79.3% | 10,333 |
| 2002 | 4,697.2 | 81.2% | 10,441 |
| 2003 | 4,894.1 | 84.7% | 10,154 |
| 2004 | 4,303.3 | 74.2% | 10,325 |
| 2005 | 4,293.8 | 74.3% | 10,441 |
| 2006 | 4,877.9 | 84.4% | 10,537 |
| 2007 | 4,451 | 77.0% | 10,633 |
| 2008 | 4,378.1 | 75.5% | 10,394 |
| 2009 | 4,705 | 81.4% | 10,637 |
| 2010 | 6,039.4 | 65.9% | 10,122 |
| 2011 | 7,494.5 | 60.0% | 10,001 |
| 2012 | 9,121.8 | 72.8% | 10,179 |
| 2013 | 8,959.7 | 72.5% | 10,559 |
| 2014 | 8,289.8 | 67.1% | 10,683 |
| 2015 | 8,636 | 69.9% | 10,603 |
| 2016 | 9,059.7 | 73.2% | 10,551 |
| 2017 | 9,275.4 | 75.1% | 10,705 |
| 2018 | 9,761.6 | 79.0% | 10,755 |
| 2019 | 8,499.9 | 68.8% | 10,740 |
| 2020 | 4,149.9 | 33.5% | 11,987 |
| 2021 | 8,175.6 | 66.2% | 10,377 |
| 2022 | 5,821.3 | 48.1% | 10,605 |
| 2023 | 6,767.9 | 71.2% | 9,920 |
| 2024 | 5,674.9 | 59.8% | 9,999 |
| 2025 | 4,164.6 | 44.0% | 10,126 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 2 | Conventional Steam Coal | ST | 396 | 335 | Jun 1975 | Operating · retirement planned | Dec 2026 | coming soon |
| 3 | Conventional Steam Coal | ST | 856.8 | 750 | Jul 2010 | Operating · retirement planned | Dec 2030 | coming soon |
| 1 | Conventional Steam Coal | ST | 382.5 | 325 | Jun 1973 | Retired Dec 2022 | — | coming soon |
Owner / operator
Operator: Public Service Co of Colorado. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Public Service Co of Colorado | 77.2% | 967 MW |
| CORE Electric Cooperative | 17.3% | 217 MW |
| Holy Cross Electric Assn, Inc | 5.5% | 69 MW |
Nearby plants
Within 80 km.
| Comanche Solar | 120 MW | 0.8 km |
| Bighorn Solar 1 | 240 MW | 1.9 km |
| Vestas Towers America, Inc. | 2 MW | 5.6 km |
| Arroyo Solar | — | 5.6 km |
| CSWIND America Inc. | 12 MW | 5.8 km |
| Sun Mountain Solar 1 | 200 MW | 5.8 km |