St. Clair Solar 3
St. Clair County, Illinois · EIA plant ID 68232 · Operator: Pivot Energy
Nameplate2MWSummer 2 MW
Generators1in service
Net generation4GWh12 mo to Dec 2025
Capacity factor20%solar units, summer MW
Heat rate—thermal plants only
First online2024
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) |
|---|---|---|---|
| 2024 | 0.2 | 1.5% | — |
| 2025 | 3.5 | 20.0% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| STCL3 | Solar Photovoltaic | PV | 2 | 2 | Jun 2024 | Operating | — | coming soon |
Owner / operator
Operator: Pivot Energy. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Pivot Energy | 100.0% | 2 MW |
Nearby plants
Within 80 km.
| SV CSG East St Louis | — | 2.4 km |
| Milam Gas Recovery | 2 MW | 5.7 km |
| Trigen St. Louis | 34 MW | 8.3 km |
| Granite City Works | 78 MW | 9 km |
| Venice | 586 MW | 9 km |
| SCS American Bottoms 009885 Sauget, LLC | 2 MW | 9 km |