Cogentrix of Alamosa
Alamosa County, Colorado · EIA plant ID 57368 · Operator: Alamosa Operating Services LLC
Nameplate30MWSummer 30 MW
Generators1in service
Net generation77GWh12 mo to Dec 2025
Capacity factor29%solar units, summer MW
Heat rate—thermal plants only
First online2012
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), solar 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.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2012 | 54.1 | 27.3% | — |
| 2013 | 65.6 | 25.0% | — |
| 2014 | 63.7 | 24.2% | — |
| 2015 | 58.9 | 22.4% | — |
| 2016 | 63.8 | 24.2% | — |
| 2017 | 59.2 | 22.5% | — |
| 2018 | 59.1 | 22.5% | — |
| 2019 | 54.8 | 20.9% | — |
| 2020 | 54.2 | 20.6% | — |
| 2021 | 43.9 | 16.7% | — |
| 2022 | 41.1 | 15.6% | — |
| 2023 | 35.1 | 13.4% | — |
| 2025 | 76.6 | 29.1% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Solar Photovoltaic | PV | 30 | 30 | Apr 2012 | Operating | — | coming soon |
Owner / operator
Operator: Alamosa Operating Services LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Alamosa Enhanced, LLC | 100.0% | 30 MW |
Nearby plants
Within 80 km.
| Hooper Solar | 52 MW | 10.8 km |
| San Luis Valley Solar Ranch | 35 MW | 11 km |
| Greater Sandhill I | 19 MW | 11.2 km |
| SunE Alamosa | 8 MW | 12.2 km |
| Monte Vista Solar 2 CSG, LLC | 2 MW | 13 km |
| San Luis Valley Regional Medical Center | 1 MW | 15.1 km |