Glacial Lakes Energy, LLC

Oil and GasSouth Dakota, United States51-200 Employees

Glacial Lakes Energy, LLC is an ethanol producer based in Watertown, South Dakota, operating within the oil and gas sector. The company traces its origins to Glacial Lakes Corn Processors, a South Dakota cooperative formed in 2001 by more than 4,000 shareholders that owns four ethanol plants. Its facilities include the Watertown plant, which began operations in 2002 and was expanded in 2007 to produce more than 130 million gallons per year, the Mina plant that started in 2008 with over 140 million gallons per year, and two additional South Dakota plants in Aberdeen and Huron that joined in 2019 with roughly 50 and 40 million gallons per year respectively. 

Glacial Lakes Energy also holds minority interests in related ethanol ventures, including 16% of Granite Falls Energy in Minnesota, 8% of Redfield Energy in South Dakota, and 17% in Harvestone Commodities Group, a global ethanol marketing and trading firm. The organization describes its culture around servant leadership, emphasizing integrity, professionalism, accountability, respect, and teamwork. These production and investment activities place Glacial Lakes Energy within a broader ethanol value chain beyond standalone plant operations.

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