Freeport 18th Solar
Stephenson County, Illinois · EIA plant ID 67624 · Operator: Generate Capital
Nameplate2MWSummer 2 MW
Generators1in service
Net generation1GWh12 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 | 0.8 | 17.1% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| 11084 | Solar Photovoltaic | PV | 2 | 2 | Oct 2025 | Operating | — | coming soon |
Owner / operator
Operator: Generate Capital. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Generate C&I Warehouse, LLC | 100.0% | 2 MW |
Nearby plants
Within 80 km.
| Stephenson County IL S1 | — | 1.9 km |
| Pretzel CSG | 2 MW | 2.3 km |
| Trinity Freeport | 2 MW | 2.7 km |
| IL - Ameresco - Freeport North | 3 MW | 3.6 km |
| IL - Ameresco - Freeport South | 4 MW | 3.9 km |
| 2662 Freeport Solar 1 CSG | 2 MW | 6.9 km |