ValmontRetirement planned
Boulder County, Colorado · EIA plant ID 477 · Operator: Public Service Co of Colorado
Nameplate59MWSummer 43 MW
Generators1in service
Net generation16GWh12 mo to Aug 2026
Capacity factor4%gas/coal/oil units, summer MW
Heat rate13,789Btu/kWhfossil units, electric fuel, HHV
First online1973Runs as peaking
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 | 1,479.2 | — | — |
| 2002 | 1,281.1 | — | — |
| 2003 | 1,456.5 | 71.7% | 9,140 |
| 2004 | 1,354.9 | 66.5% | 9,595 |
| 2005 | 1,500.9 | 74.8% | 9,760 |
| 2006 | 1,266.9 | 63.2% | 9,553 |
| 2007 | 1,340.6 | 66.8% | 9,534 |
| 2008 | 1,185 | 58.9% | 9,641 |
| 2009 | 1,109.6 | 55.3% | 10,007 |
| 2010 | 1,090.6 | 54.9% | 9,876 |
| 2011 | 1,026.9 | 51.6% | 10,091 |
| 2012 | 1,011.5 | 50.7% | 9,875 |
| 2013 | 995.9 | 50.1% | 9,733 |
| 2014 | 1,049 | 52.8% | 9,767 |
| 2015 | 1,058.5 | 53.2% | 9,769 |
| 2016 | 1,010.6 | 50.7% | 9,799 |
| 2017 | 218 | 15.0% | 10,785 |
| 2018 | 2.7 | 0.7% | 25,169 |
| 2019 | 2.5 | 0.7% | 21,519 |
| 2020 | 3.8 | 1.0% | 13,996 |
| 2021 | 5.8 | 1.5% | 14,740 |
| 2022 | 3.3 | 0.9% | 19,571 |
| 2023 | 6.6 | 1.8% | 14,630 |
| 2024 | 15.3 | 4.0% | 14,895 |
| 2025 | 23 | 6.1% | 14,199 |
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 |
|---|---|---|---|---|---|---|---|---|
| 6 | Natural Gas Fired Combustion Turbine | GT | 59.3 | 43 | May 1973 | Operating · retirement planned | Dec 2028 | coming soon |
| 5 | Conventional Steam Coal | ST | 191.7 | 184 | May 1964 | Retired Sep 2017 | — | 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 | 100.0% | 59 MW |
Nearby plants
Within 80 km.
| Valmont Combustion Turbine Project | 142 MW | 0.1 km |
| City of Boulder WWTP | 1 MW | 3.7 km |
| IBM Solar | 8 MW | 4.2 km |
| University of Colorado | 33 MW | 5.9 km |
| Pivot Solar 34 | 5 MW | 7.6 km |
| Boulder Canyon Hydro | 5 MW | 11.2 km |