Bennington Wind
Marshall County, Illinois · EIA plant ID 63384 · Operator: Minonk Stewardship Wind LLC
Nameplate93MWSummer 93 MW
Generators1in service
Net generation308GWh12 mo to Aug 2026
Capacity factor38%wind units, summer MW
Heat rate—thermal plants only
First online2021
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
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), wind 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) |
|---|---|---|---|
| 2021 | 64 | 31.2% | — |
| 2022 | 341.1 | 41.9% | — |
| 2023 | 331.3 | 40.7% | — |
| 2024 | 304.4 | 37.3% | — |
| 2025 | 303.9 | 37.3% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| BENN | Onshore Wind Turbine | WT | 93 | 93 | Oct 2021 | Operating | — | ge 2.82-127 |
Owner / operator
Operator: Minonk Stewardship Wind LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Minonk Stewardship Wind LLC | 100.0% | 93 MW |
Nearby plants
Within 80 km.
| Old Town Wind | — | 8 km |
| Osagrove Flats Wind | — | 9.8 km |
| Minonk Wind Farm | 200 MW | 10.9 km |
| Otter Creek Wind Farm LLC | 150 MW | 13.1 km |
| Richland Township Solar II, LLC | 11 MW | 15.6 km |
| Richland Township Solar, LLC | 35 MW | 17.2 km |