United States securities and exchange commission logo August 23, 2021 Stacie Schuler Chief Financial Officer Heron Lake BioEnergy, LLC 91246 390th Avenue Heron Lake, Minnesota 56137 Re: Heron Lake BioEnergy, LLC Revised Preliminary Proxy Statement on Schedule 14A Filed August 13, 2021 File No. 000-51825 Dear Ms. Schuler: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Life Sciences cc: Bill Hanigan, Esq.