711 6th Ave SE
Winnebago, MN 56098
Our manufacturing facility in Winnebago, Minnesota was acquired by Greenfield in the fall of 2020. The Winnebago facility has been producing ethanol since 1994 and has a capacity of 182 million litre (48 million gallon) per-year. In the latter half of 2021, the Winnebago site will resume operations and supply low carbon fuel into the North American gasoline market and high-nutritional coproducts to the feed market.