Barton Windpower LLC
Worth County, Iowa · EIA plant ID 56765 · Operator: Avangrid Renewables Inc
Nameplate158MWSummer 158 MW
Generators2in service
Net generation365GWh12 mo to Dec 2025
Capacity factor26%wind units, summer MW
Heat rate—thermal plants only
First online2009
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) |
|---|---|---|---|
| 2009 | 195.3 | 23.8% | — |
| 2010 | 381.8 | 27.2% | — |
| 2011 | 407.7 | 29.1% | — |
| 2012 | 412.7 | 29.4% | — |
| 2013 | 359.7 | 25.7% | — |
| 2014 | 374 | 26.7% | — |
| 2015 | 378.2 | 27.0% | — |
| 2016 | 401.3 | 28.5% | — |
| 2017 | 421 | 30.0% | — |
| 2018 | 374 | 26.7% | — |
| 2019 | 383.6 | 27.4% | — |
| 2020 | 408.2 | 29.0% | — |
| 2021 | 332.6 | 23.7% | — |
| 2022 | 385 | 27.5% | — |
| 2023 | 349.7 | 24.9% | — |
| 2024 | 360.9 | 26.0% | — |
| 2025 | 365.4 | 26.4% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Onshore Wind Turbine | WT | 80 | 80 | Jun 2009 | Operating | — | gamesa G87-2.0 |
| 2 | Onshore Wind Turbine | WT | 78 | 78 | Jun 2009 | Operating | — | gamesa G87-2.0 |
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% | 158 MW |
Nearby plants
Within 80 km.
| Windwalkers LLC | 2 MW | 10.6 km |
| Freeborn Wind Farm | 218 MW | 15.5 km |
| Northern Iowa Windpower II | 80 MW | 17.1 km |
| Lime Creek | 90 MW | 18.6 km |
| Roeder Family Wind Farm LLC | 2 MW | 18.8 km |
| Top of Iowa Windfarm III | 30 MW | 18.9 km |