Otter Creek Wind Farm LLC
LaSalle County, Illinois · EIA plant ID 61344 · Operator: Avangrid Renewables Inc
Nameplate150MWSummer 150 MW
Generators1in service
Net generation458GWh12 mo to Aug 2026
Capacity factor35%wind units, summer MW
Heat rate—thermal plants only
First online2020
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) |
|---|---|---|---|
| 2020 | 388.2 | 35.2% | — |
| 2021 | 467.6 | 35.6% | — |
| 2022 | 516.4 | 39.3% | — |
| 2023 | 434.7 | 33.1% | — |
| 2024 | 471 | 35.8% | — |
| 2025 | 450.1 | 34.3% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| WT1 | Onshore Wind Turbine | WT | 150 | 150 | Mar 2020 | Operating | — | vestas V136-3.45 |
Owner / operator
Operator: Avangrid Renewables Inc. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Avangrid Renewables Inc | 100.0% | 150 MW |
Nearby plants
Within 80 km.
| Solitude | — | 9.3 km |
| Osagrove Flats Wind | — | 12.8 km |
| Segunda II (CSG) | 2 MW | 12.9 km |
| Bennington Wind | 93 MW | 13.1 km |
| Briscoe Solar 2 | 2 MW | 13.3 km |
| Briscoe 2A | 2 MW | 13.4 km |