Ellis Creek Solar
Sonoma County, California · EIA plant ID 68442 · Operator: Ellis Creek Solar, LLC
Nameplate4MWSummer 4 MW
Generators1in service
Net generation1GWh12 mo to Dec 2025
Capacity factor14%solar units, summer MW
Heat rate—thermal plants only
First online2025
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) |
|---|---|---|---|
| 2025 | 1.3 | 14.3% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| 17188 | Solar Photovoltaic | PV | 4 | 4 | Oct 2025 | Operating | — | coming soon |
Owner / operator
Operator: Ellis Creek Solar, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Ellis Creek Solar, LLC | 100.0% | 4 MW |
Nearby plants
Within 80 km.
| Stage Gulch Solar | 1 MW | 2.8 km |
| Waste Mangement Redwood LFGTE | 4 MW | 6.9 km |
| Silveira Ranch Road Solar | 3 MW | 7.7 km |
| Lavio Solar | 1 MW | 8.4 km |
| Cottonwood Solar, LLC Cottonwood Carport | 1 MW | 10.3 km |
| Bodega Avenue Solar LLC | 2 MW | 14.9 km |