Ash Mesa Solar, LLC
Montrose County, Colorado · EIA plant ID 66247 · Operator: Headwater Energy, LLC
Nameplate8MWSummer 8 MW
Generators1in service
Net generation14GWh12 mo to Dec 2025
Capacity factor21%solar units, summer MW
Heat rate—thermal plants only
First online2022
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) |
|---|---|---|---|
| 2022 | 10.6 | 26.4% | — |
| 2023 | 16.3 | 23.8% | — |
| 2024 | 16.4 | 24.0% | — |
| 2025 | 14.4 | 21.1% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| 21536 | Solar Photovoltaic | PV | 7.8 | 7.8 | Jun 2022 | Operating | — | coming soon |
Owner / operator
Operator: Headwater Energy, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Aspen Creek Power Holdings, LLC | 100.0% | 8 MW |
Nearby plants
Within 80 km.
| Garnet Mesa Solar | 80 MW | 8.7 km |
| Shavano Falls Hydro | 3 MW | 19.1 km |
| South Canal Hydro-1 | 4 MW | 29 km |
| South Canal Hydro-3 | 4 MW | 29.1 km |
| Shavano Falls Hydro Drop 4 | 5 MW | 30.4 km |
| Drop 5 | 2 MW | 33.1 km |