Franklin County Wind Farm
Franklin County, Iowa · EIA plant ID 57844 · Operator: Interstate Power and Light Co
Nameplate99MWSummer 99 MW
Generators1in service
Net generation271GWh12 mo to Dec 2025
Capacity factor31%wind units, summer MW
Heat rate—thermal plants only
First online2012
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) |
|---|---|---|---|
| 2012 | 10.9 | 14.8% | — |
| 2013 | 219 | 25.3% | — |
| 2014 | 222 | 25.6% | — |
| 2015 | 251 | 28.9% | — |
| 2016 | 257.2 | 29.6% | — |
| 2017 | 224.7 | 25.9% | — |
| 2018 | 306.8 | 35.4% | — |
| 2019 | 302.9 | 34.9% | — |
| 2020 | 235.6 | 27.1% | — |
| 2021 | 206.2 | 23.8% | — |
| 2022 | 301 | 34.7% | — |
| 2023 | 236.2 | 27.2% | — |
| 2024 | 190.7 | 21.9% | — |
| 2025 | 270.5 | 31.2% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Onshore Wind Turbine | WT | 99 | 99 | Dec 2012 | Operating | — | vestas V82-1.65 |
Owner / operator
Operator: Interstate Power and Light Co. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Interstate Power and Light Co | 100.0% | 99 MW |
Nearby plants
Within 80 km.
| Whispering Willow Wind Farm - East | 200 MW | 11 km |
| Leonardo Wind 1 LLC | 3 MW | 12.4 km |
| Hampton Substation Energy Storage | 2 MW | 12.4 km |
| Franklin County Solar | 7 MW | 16.6 km |
| Whispering Willow North | 201 MW | 19.9 km |
| Century | 201 MW | 25 km |