Toyota Boshoku
Lawrence County, Illinois · EIA plant ID 69739 · Operator: Onyx Asset Services Group
Nameplate5MWSummer 5 MW
Generators1in service
Net generation5GWh12 mo to Dec 2025
Capacity factor17%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 | 4.7 | 16.6% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| 10677 | Solar Photovoltaic | PV | 4.8 | 4.8 | May 2025 | 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% | 5 MW |
Nearby plants
Within 80 km.
| SV CSG Aldridge B, LLC | 2 MW | 9.6 km |
| SV CSG Aldridge A, LLC | 2 MW | 9.8 km |
| Wheatland Generating Facility | 500 MW | 30.3 km |
| 950th Sun 2 | 2 MW | 30.4 km |
| Wheatland | 150 MW | 30.4 km |
| Marathon Petroleum - Robinson Refinery | 5 MW | 32.3 km |