Paso Robles - Municipal Airport
San Luis Obispo County, California · EIA plant ID 67866 · Operator: Onyx Asset Services Group
Nameplate3MWSummer 3 MW
Generators1in service
Net generation8GWh12 mo to Dec 2025
Capacity factor29%solar units, summer MW
Heat rate—thermal plants only
First online2024
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) |
|---|---|---|---|
| 2024 | 6 | 22.6% | — |
| 2025 | 7.6 | 28.8% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| 10221 | Solar Photovoltaic | PV | 3 | 3 | Jan 2024 | Operating | — | coming soon |
Owner / operator
Operator: Onyx Asset Services Group. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Onyx Asset Services Group | 100.0% | 3 MW |
Nearby plants
Within 80 km.
| Meridian Vineyards | 1 MW | 6.3 km |
| Sutter Home Winery TCC | 1 MW | 7.7 km |
| Firestone Walker Brewery - Phase 1 | 2 MW | 10.7 km |
| Vintner Solar | 2 MW | 14.2 km |
| CA Flats Solar 150, LLC | 150 MW | 22.1 km |
| CA Flats Solar 130, LLC | 130 MW | 22.1 km |