Steward Creek Solar Phase 1Planned
Lee County, Illinois · EIA plant ID 65301 · Operator: TerraForm Power Operating, LLC
1,200 MW planned (Solar Photovoltaic), first expected Dec 2029 · EIA-860M
Nameplate—MWSummer — MW
Generators0in service
Net generation—GWh12 mo
Capacity factor—no 923 generation in the last 12 months
Heat rate—thermal plants only
First online—
Capacity factor by year
Net MWh ÷ (summer MW × hours), primary-fuel units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
No capacity factor available.
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.
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 |
|---|---|---|---|---|---|---|---|---|
| SC1 | Solar Photovoltaic | PV | 1,200 | 1,200 | planned Dec 2029 | Planned | — | coming soon |
Owner / operator
Operator: TerraForm Power Operating, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Nearby plants
Within 80 km.
| Tower Road Solar, LLC CSG | 2 MW | 5.5 km |
| Boigenzahn Solar 1A, LLC | 2 MW | 6.1 km |
| FPL Energy Illinois Wind LLC Hybrid | 238 MW | 10 km |
| 1515 S Caron Road | retired | 11.5 km |
| IL Rochelle 975 S. Caron Rd | 2 MW | 11.5 km |
| Mendota Hills, LLC | 76 MW | 11.6 km |