Otter Creek Ethanol Poet - Ashton
Natural gas power plant in Osceola County, Iowa. 7.5 MW of nameplate capacity across 1 generator, operated by Otter Creek Ethanol LLC - Poet Ashton.
Also known as EIA plant 58138
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 7.5 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- March 2004First generator online
- Operator
- Otter Creek Ethanol LLC - Poet AshtonEIA operator ID 58093
- Grid
- MISOBalancing authority MISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Osceola County, IA43.2750, −95.8097
- EIA plant ID
- 58138EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Otter Creek Ethanol Poet - Ashton produces
Free · EIA-923Net generation, 2025
44.8 GWh
44,828 MWh, final
Capacity factor, 2025
68.2%
2024: 65.7%
January to July 2026
26.2 GWh
Provisional
Range, 2015 to 2025
26.4–47.4
GWh a year. Low 2020, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | 41,537 | 63.0% | 12 of 12 |
| 2013 | 41,993 | 63.9% | 12 of 12 |
| 2014 | 45,088 | 68.6% | 12 of 12 |
| 2015 | 45,396 | 69.1% | 12 of 12 |
| 2016 | 46,331 | 70.3% | 12 of 12 |
| 2017 | 47,352 | 72.1% | 12 of 12 |
| 2018 | 45,330 | 69.0% | 12 of 12 |
| 2019 | 42,060 | 64.0% | 12 of 12 |
| 2020 | 26,422 | 40.1% | 12 of 12 |
| 2021 | 42,594 | 64.8% | 12 of 12 |
| 2022 | 43,949 | 66.9% | 12 of 12 |
| 2023 | 41,989 | 63.9% | 12 of 12 |
| 2024 | 43,275 | 65.7% | 12 of 12 |
| 2025 | 44,828 | 68.2% | 12 of 12 |
| 2026 (provisional, partial year) | 26,225 | 68.7% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Natural Gas Fired Combustion Turbine | 7.5 | March 2004 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Otter Creek Ethanol LLC - Poet Ashton as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about Otter Creek Ethanol Poet - Ashton
How much power does Otter Creek Ethanol Poet - Ashton produce?
Otter Creek Ethanol Poet - Ashton reported 44,828 MWh (44.8 GWh) of net generation in 2025, a 68.2% capacity factor on 7.5 MW of nameplate capacity. From January to July 2026 it reported 26.2 GWh, which is provisional.
Where is Otter Creek Ethanol Poet - Ashton?
Otter Creek Ethanol Poet - Ashton is in Osceola County, Iowa, at 43.2750, −95.8097. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Otter Creek Ethanol Poet - Ashton?
EIA-860M for August 2026 lists Otter Creek Ethanol LLC - Poet Ashton as the operator (EIA operator ID 58093). The operator is not always the owner.
When did Otter Creek Ethanol Poet - Ashton start operating?
Its first generator began operating in March 2004, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page