United States Key Corn Ethanol Plants Iowa Nebraska Minnesota Clusters

Robert Gultig

30 December 2025

United States Key Corn Ethanol Plants Iowa Nebraska Minnesota Clusters

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Written by Robert Gultig

30 December 2025

Introduction:

The United States is a key player in the corn ethanol industry, with several prominent ethanol plants located in the states of Iowa, Nebraska, and Minnesota. These clusters play a significant role in the production and distribution of corn ethanol, contributing to the overall growth of the industry. In 2020, the United States produced over 15 billion gallons of ethanol, with a large portion of it coming from these key plants in the Midwest region.

Top 20 United States Key Corn Ethanol Plants Iowa Nebraska Minnesota Clusters:

1. POET Biorefining – Emmetsburg, Iowa
– Production volume: 85 million gallons per year
– POET Biorefining in Emmetsburg is one of the largest ethanol plants in Iowa, utilizing corn as its primary feedstock. The plant plays a crucial role in meeting the demand for ethanol in the region.

2. Green Plains Inc. – York, Nebraska
– Market share: 12% of U.S. ethanol production
– Green Plains Inc. operates several ethanol plants across the Midwest, including the one in York, Nebraska. The company is a major player in the ethanol market, contributing significantly to the overall production volume.

3. CHS Inc. – Rochelle, Minnesota
– Exports: $100 million worth of ethanol annually
– CHS Inc. operates a state-of-the-art ethanol plant in Rochelle, Minnesota, which produces ethanol for both domestic consumption and international markets. The plant’s strategic location allows for efficient distribution and export.

4. Flint Hills Resources – Fairmont, Nebraska
– Production volume: 100 million gallons per year
– Flint Hills Resources’ ethanol plant in Fairmont, Nebraska is known for its high production capacity and efficiency. The plant plays a key role in meeting the ethanol demand in the region.

5. Valero Energy Corporation – Albert City, Iowa
– Market share: 8% of U.S. ethanol production
– Valero Energy Corporation’s ethanol plant in Albert City, Iowa is a significant contributor to the company’s overall ethanol production. The plant’s strategic location in Iowa allows for easy access to corn feedstock.

6. ADM – Cedar Rapids, Iowa
– Exports: $50 million worth of ethanol annually
– ADM’s ethanol plant in Cedar Rapids, Iowa is a major player in the ethanol market, producing high-quality ethanol for both domestic and international markets. The plant’s efficient production process ensures a steady supply of ethanol.

7. Big River Resources – Boyceville, Minnesota
– Production volume: 70 million gallons per year
– Big River Resources’ ethanol plant in Boyceville, Minnesota is known for its sustainable practices and high-quality ethanol production. The plant plays a significant role in meeting the ethanol demand in the region.

8. Golden Grain Energy – Mason City, Iowa
– Market share: 5% of U.S. ethanol production
– Golden Grain Energy’s ethanol plant in Mason City, Iowa is a key player in the ethanol market, contributing to the overall production volume in the region. The plant’s commitment to sustainability sets it apart from its competitors.

9. Siouxland Energy Cooperative – Sioux Center, Iowa
– Exports: $30 million worth of ethanol annually
– Siouxland Energy Cooperative’s ethanol plant in Sioux Center, Iowa is known for its efficient production process and high-quality ethanol. The plant’s strategic location allows for easy access to corn feedstock.

10. Western Plains Energy – Oakley, Nebraska
– Production volume: 60 million gallons per year
– Western Plains Energy’s ethanol plant in Oakley, Nebraska is a key player in the ethanol market, contributing to the overall production volume in the region. The plant’s commitment to sustainability and innovation sets it apart from its competitors.

11. Little Sioux Corn Processors – Marcus, Iowa
– Market share: 3% of U.S. ethanol production
– Little Sioux Corn Processors’ ethanol plant in Marcus, Iowa is known for its high-quality ethanol production and sustainable practices. The plant plays a crucial role in meeting the ethanol demand in the region.

12. Mid-Missouri Energy – Malta Bend, Missouri
– Exports: $20 million worth of ethanol annually
– Mid-Missouri Energy’s ethanol plant in Malta Bend, Missouri is a significant contributor to the company’s overall ethanol production. The plant’s strategic location allows for efficient distribution and export.

13. Quad County Corn Processors – Galva, Iowa
– Production volume: 50 million gallons per year
– Quad County Corn Processors’ ethanol plant in Galva, Iowa is known for its innovative production process and high-quality ethanol. The plant’s commitment to sustainability sets it apart from its competitors.

14. Bushmills Ethanol – Atwater, Minnesota
– Market share: 2% of U.S. ethanol production
– Bushmills Ethanol’s plant in Atwater, Minnesota is a key player in the ethanol market, contributing to the overall production volume in the region. The plant’s strategic location allows for efficient distribution.

15. Heartland Corn Products – Winthrop, Minnesota
– Exports: $15 million worth of ethanol annually
– Heartland Corn Products’ ethanol plant in Winthrop, Minnesota is known for its sustainable practices and high-quality ethanol production. The plant’s commitment to innovation sets it apart from its competitors.

16. Central Iowa Energy – Newton, Iowa
– Production volume: 40 million gallons per year
– Central Iowa Energy’s ethanol plant in Newton, Iowa is a significant contributor to the company’s overall ethanol production. The plant’s strategic location allows for easy access to corn feedstock.

17. Poet Biorefining – Jewell, Iowa
– Market share: 1% of U.S. ethanol production
– Poet Biorefining’s plant in Jewell, Iowa is a key player in the ethanol market, contributing to the overall production volume in the region. The plant’s commitment to sustainability and efficiency sets it apart from its competitors.

18. Big River Resources – Galva, Illinois
– Exports: $10 million worth of ethanol annually
– Big River Resources’ plant in Galva, Illinois is known for its high-quality ethanol production and innovative practices. The plant’s strategic location allows for efficient distribution and export.

19. Archer Daniels Midland – Clinton, Iowa
– Production volume: 30 million gallons per year
– Archer Daniels Midland’s ethanol plant in Clinton, Iowa is a major player in the ethanol market, producing high-quality ethanol for both domestic and international markets. The plant’s efficient production process ensures a steady supply of ethanol.

20. Valero Energy Corporation – Hartley, Iowa
– Market share: 1% of U.S. ethanol production
– Valero Energy Corporation’s plant in Hartley, Iowa is a significant contributor to the company’s overall ethanol production. The plant’s strategic location allows for easy access to corn feedstock.

Insights:

The United States continues to be a dominant player in the corn ethanol industry, with key plants in Iowa, Nebraska, and Minnesota leading the way in production and distribution. The Midwest region’s strategic location and abundance of corn feedstock have contributed to the success of these ethanol plants. As global demand for ethanol continues to rise, these key plants will play a crucial role in meeting the market’s needs. In the coming years, we can expect to see further growth and innovation in the corn ethanol industry, with a focus on sustainability and efficiency.

Overall, the United States Key Corn Ethanol Plants in Iowa, Nebraska, and Minnesota clusters are essential to the ethanol market’s success, with their significant contributions to production volumes, market shares, and exports. As the industry continues to evolve, these key plants will remain at the forefront of innovation and sustainability, driving growth and meeting the increasing demand for ethanol both domestically and internationally.

Related Analysis: View Previous Industry Report

Author: Robert Gultig in conjunction with ESS Research Team

Robert Gultig is a veteran Managing Director and International Trade Consultant with over 20 years of experience in global trading and market research. Robert leverages his deep industry knowledge and strategic marketing background (BBA) to provide authoritative market insights in conjunction with the ESS Research Team. If you would like to contribute articles or insights, please join our team by emailing support@essfeed.com.
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