Big Stone, SD

To efficiently produce ethanol, POET Bioprocessing - Big Stone can only grind minimal amounts of corn with greater than 17.5% moisture or damaged corn. We have limited amount of room for 17.5% and above moisture. Corn above 20% moisture or with more than 5% damage may be rejected.

POET Bioprocessing - Big Stone began full operation in June of 2002. The plant produces 105 million gallons of bioethanol per year.

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