Cargill Corn Milling Division
Monroe County, Iowa · EIA plant ID 10855 · Operator: Cargill Inc North America Sweetners
Nameplate40MWSummer 37 MW
Generators2in service
Net generation112GWh12 mo to Dec 2025
Capacity factor35%gas/coal/oil units, summer MW
Heat rate4,801Btu/kWhfossil units, electric fuel, HHV
First online1952Runs as intermediate
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), gas/coal/oil 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.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 108.2 | 33.6% | 6,798 |
| 2002 | 140.7 | 43.7% | — |
| 2004 | 111.1 | 34.4% | 5,007 |
| 2005 | 50.4 | 15.7% | 5,007 |
| 2006 | 101.5 | 31.5% | 5,007 |
| 2007 | 77.5 | 24.1% | 5,007 |
| 2008 | 79.4 | 24.6% | 5,007 |
| 2009 | 101.3 | 31.5% | 5,007 |
| 2010 | 90.4 | 28.1% | 5,007 |
| 2011 | 122 | 37.9% | 5,007 |
| 2012 | 103.7 | 32.2% | 5,007 |
| 2013 | 104.6 | 32.5% | 5,007 |
| 2014 | 90.6 | 28.2% | 5,007 |
| 2015 | 83.6 | 26.0% | 5,007 |
| 2016 | 58.9 | 18.3% | 4,801 |
| 2017 | 72.4 | 22.5% | 4,801 |
| 2018 | 78.4 | 24.4% | 4,801 |
| 2019 | 103.4 | 32.2% | 4,801 |
| 2020 | 124.9 | 38.7% | 4,801 |
| 2021 | 111.8 | 34.8% | 4,801 |
| 2022 | 104.2 | 32.4% | 4,801 |
| 2023 | 76.3 | 23.7% | 4,801 |
| 2024 | 110.5 | 34.3% | 4,801 |
| 2025 | 112.1 | 34.9% | 4,801 |
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 |
|---|---|---|---|---|---|---|---|---|
| GEN1 | Natural Gas Steam Turbine | ST | 20 | 18.7 | Dec 1952 | Operating (Standby / backup) | — | coming soon |
| GEN2 | Natural Gas Steam Turbine | ST | 20 | 18 | Dec 1952 | Operating | — | coming soon |
Owner / operator
Operator: Cargill Inc North America Sweetners. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Cargill Inc North America Sweetners | 100.0% | 40 MW |
Nearby plants
Within 80 km.
| Ottumwa | 726 MW | 9 km |
| Ottumwa City of | 3 MW | 23.7 km |
| Prairie Wind Farm | 168 MW | 33.5 km |
| Red Rock Hydro Plant | 55 MW | 38 km |
| Pella Peaking | 28 MW | 38.8 km |
| Knoxville Industrial | 16 MW | 39.9 km |