Power plants in Alamosa County, Colorado
10 operating power plants in Alamosa County, Colorado, with 203 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
10
Nameplate capacity
203 MW
Net generation, 2025
316 GWh
8 of 10 plants reported
Largest power plants in Alamosa County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | AlamosaNatural gas | 53 | 27.2 | 5.8% |
| 2 | Hooper SolarSolar | 52 | 122 | 26.8% |
| 3 | San Luis Valley Solar RanchSolar | 35 | 66.0 | 21.5% |
| 4 | Alamosa SolarSolar | 30 | 76.6 | 29.1% |
| 5 | Greater Sandhill ISolar | 19 | – | – |
| 6 | SunE AlamosaSolar | 8.2 | 12.8 | 17.8% |
| 7 | Rock Creek 2 CSGSolar | 1.6 | 4.0 | 28.6% |
| 8 | Alamosa Solar South CSGSolar | 1.6 | 4.0 | 28.3% |
| 9 | Oak Leaf Solar XXX LLC (CSG)Solar | 1.5 | 3.9 | 29.9% |
| 10 | San Luis Valley Regional Medical CenterSolar | 1.3 | – | – |
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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