Optimum Wind 4 LLC
Story County, Iowa · EIA plant ID 59226 · Operator: Novis Renewables, LLC
Nameplate3MWSummer 3 MW
Generators1in service
Net generation8GWh12 mo to Dec 2025
Capacity factor31%wind units, summer MW
Heat rate—thermal plants only
First online2017
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) |
|---|---|---|---|
| 2017 | 1.1 | 5.2% | — |
| 2018 | 6.8 | 26.0% | — |
| 2019 | 8.9 | 33.7% | — |
| 2020 | 9.1 | 34.6% | — |
| 2021 | 10.8 | 41.3% | — |
| 2022 | 10.3 | 39.2% | — |
| 2023 | 8.3 | 31.6% | — |
| 2024 | 10.5 | 39.7% | — |
| 2025 | 8.2 | 31.4% | — |
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 | 3 | 3 | Mar 2017 | Operating | — | acciona AW125/3000 |
Owner / operator
Operator: Novis Renewables, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Novis Renewables, LLC | 100.0% | 3 MW |
Nearby plants
Within 80 km.
| Optimum Wind 5 LLC | 3 MW | 0.3 km |
| Michelangelo Wind 3 LLC | 3 MW | 0.3 km |
| Optimum Wind 3 LLC | 3 MW | 0.4 km |
| Optimum Wind 6 LLC | 3 MW | 1.2 km |
| Ames GT | 79 MW | 5.7 km |
| NCAH Central Utility Plant | 14 MW | 6.2 km |