Macon County IL S1
Macon County, Illinois · EIA plant ID 68919 · Operator: SolAmerica Energy, LLC
Nameplate2MWSummer 2 MW
Generators1in service
Net generation0GWh12 mo to Dec 2025
Capacity factor7%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 | 0.3 | 7.2% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| S1 | Solar Photovoltaic | PV | 2 | 2 | Oct 2025 | Operating | — | coming soon |
Owner / operator
Operator: SolAmerica Energy, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| SolAmerica Energy, LLC | 100.0% | 2 MW |
Nearby plants
Within 80 km.
| Oreana Solar | 5 MW | 2 km |
| Archer Daniels Midland Decatur | 335 MW | 5.2 km |
| Oreana Renewables | 5 MW | 6.3 km |
| IL - Nexamp Argenta | 5 MW | 7.9 km |
| Tate & Lyle Decatur Plant Cogen | 65 MW | 8.1 km |
| Argenta Solar | — | 10.8 km |