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 is the development, design/build, management and marketing company for POET Bioprocessing - Big Stone.

POET Bioprocessing - Big Stone began full operation in June of 2002. The plant produces 79 million gallons of ethanol per year. The ethanol produced at POET Bioprocessing is marketed through POET Ethanol Products. The Dakota GoldĀ® distillers dried grain with solubles is marketed through POET Nutrition.


  • We really appreciate your business and your help.
  • We offer Basis Fixed Contracts, Cash Contracts, Futures Fixed Contracts and Minimum Price Contracts using at the money calls.

Live Truck-line Camera

Hours of Operation

Administrative Office
Mon - Fri, 7:30 AM - 4:00 PM

Corn Receiving
Mon - Fri, 7:30 AM - 4:00 PM

Dakota Gold Loading
Mon - Fri, 7:30 AM - 4:00 PM

Ethanol Loading
7 days a week, 7am to 11pm

POET Bioprocessing - Big Stone
48416 144TH STREET
PH: 605.862.7902
FAX: 605.862.7904

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