Power plants in Boulder County, Colorado
12 operating power plants in Boulder County, Colorado, with 265 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
12
Nameplate capacity
265 MW
Net generation, 2025
117 GWh
Largest power plants in Boulder County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Valmont Combustion Turbine ProjectNatural gas | 142 | 46.4 | 3.7% |
| 2 | ValmontNatural gas | 59 | 23.0 | 4.4% |
| 3 | University of ColoradoNatural gas | 32 | 0.2 | 0.1% |
| 4 | IBM SolarSolar | 8.1 | 10.5 | 14.7% |
| 5 | Boulder Canyon HydroHydro | 5.0 | 8.4 | 19.3% |
| 6 | Pivot Solar 34Solar | 4.5 | 1.5 | – |
| 7 | Boulder City Lakewood HydroHydro | 3.5 | 7.5 | 24.4% |
| 8 | Boulder City Silver Lake HydroHydro | 3.3 | 6.2 | 21.3% |
| 9 | Boulder City Betasso Hydro PlantHydro | 3.0 | 7.5 | 28.4% |
| 10 | Lafayette Horizon Solar CSG LLCSolar | 1.6 | 3.2 | 22.6% |
| 11 | City of Boulder WWTPSolar | 1.0 | 1.2 | 13.7% |
| 12 | Jack's Solar GardenSolar | 1.0 | 2.1 | 23.5% |
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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