Otter Creek Ethanol Poet - Ashton
Osceola County, Iowa · EIA plant ID 58138 · Operator: Otter Creek Ethanol LLC - Poet Ashton
Nameplate8MWSummer 6 MW
Generators1in service
Net generation45GWh12 mo to Aug 2026
Capacity factor93%gas/coal/oil units, summer MW
Heat rate4,945Btu/kWhfossil units, electric fuel, HHV
First online2004Runs as baseload
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), 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) |
|---|---|---|---|
| 2012 | 41.5 | 86.0% | 11,725 |
| 2013 | 42 | 87.2% | 11,605 |
| 2014 | 45.1 | 93.6% | 10,020 |
| 2015 | 45.4 | 94.2% | 11,373 |
| 2016 | 46.3 | 95.9% | 4,945 |
| 2017 | 47.4 | 98.3% | 5,046 |
| 2018 | 45.3 | 94.1% | 5,046 |
| 2019 | 42.1 | 87.3% | 4,996 |
| 2020 | 26.4 | 54.7% | 4,945 |
| 2021 | 42.6 | 88.4% | 4,945 |
| 2022 | 43.9 | 91.2% | 4,954 |
| 2023 | 42 | 87.2% | 4,945 |
| 2024 | 43.3 | 89.6% | 4,945 |
| 2025 | 44.8 | 93.0% | 4,945 |
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 | Natural Gas Fired Combustion Turbine | GT | 7.5 | 5.5 | Mar 2004 | Operating | — | coming soon |
Owner / operator
Operator: Otter Creek Ethanol LLC - Poet Ashton. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Otter Creek Ethanol LLC - Poet Ashton | 100.0% | 8 MW |
Nearby plants
Within 80 km.
| Sibley No Two | 1 MW | 14.4 km |
| Sibley One | 5 MW | 16 km |
| O'Brien Wind | 250 MW | 17.2 km |
| Allendorf | 6 MW | 19.9 km |
| Highland Wind Project (IA) | 502 MW | 25 km |
| Primghar | 2 MW | 25.7 km |