We Are Marquis Energy

Part of the Marquis group of companies, Marquis Energy has biorefineries in Hennepin, Illinois, and Necedah, Wisconsin. Marquis Energy Illinois produces more than 395 million gallons of renewable ethanol fuel per year, Distillers Dried Grains With Solubles (DDGS) and Distillers Corn Oil (DCO), as well as engages in carbon capture, soybean crush and the production of Marquis ProCap Gold. Marquis Energy Wisconsin produces more than 100 million gallons of renewable ethanol fuel per year. Combined, the Marquis Energy biorefineries produce more than 495 million gallons of renewable ethanol fuel per year.

The Production Process

Marquis Energy ethanol is produced through the natural process of fermentation, enhanced by cutting-edge enzymatic and technological developments, to efficiently convert the starch in corn to fermentable sugar. Because we are committed to utilizing every part of each kernel of corn, we also produce Distillers Dried Grains With Solubles (DDGS) and Distillers Corn Oil (DCO).

What We Produce Annually
  • 900,000 Tons of Animal Feed
  • 17.5 Million Gallons of Corn Oil 
  • 1.2 Million tonnes of CO2
  • 495+ Million Gallons of Ethanol Fuel 

Why Choose Marquis Energy

  • Commitment to Sustainability

    Since 1976, Marquis has been dedicated to utilizing the best practices possible to leave no waste and to empower a better world for tomorrow. Now, utilizing innovative carbon capture and storage methods, the Marquis Industrial Complex in Hennepin, Illinois, is on track to be the world’s first carbon-neutral industrial complex, meaning that carbon dioxide emissions will be perfectly balanced with their removal. 

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  • Industry-Leading Scale

    Our production team uses its extensive knowledge of each facility’s Fagen-ICM design to develop industry-leading production levels with a current capacity exceeding 495 million gallons of ethanol per year.

  • Strategically Located

    Marquis Energy Illinois is located within the Marquis Industrial Complex in Hennepin, Illinois. The 3,300-acre site is strategically located with transportation infrastructure to propel growth, including the Illinois River Waterway System, the Norfolk Southern Class I Railroad and close proximity to numerous interstate highways. Marquis Energy Wisconsin is similarly positioned for distribution and growth.  

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  • Global

    Our risk management strategy routinely provides the ability to capture opportunities in various markets. Additionally, Marquis Energy is strategically positioned for global distribution via direct access to the Illinois River, a Class I railroad and numerous interstate highways. 

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Soon Producing SAF and Renewable Diesel

A new Marquis company, Marquis Sustainable Aviation Fuel, is constructing a 120 million gallons per year integrated sustainable fuels plant using low-carbon intensity (CI) feedstocks to produce sustainable aviation fuel (SAF) and renewable diesel.