CONCENTRATIONS (Tables)

12 Months Ended

Oct. 31, 2019

Granite Falls Energy, LLC Excluding Heron Lake BioEnergy, LLC | Total revenues

Schedule of concentration risk

	October 31, 2019	October 31, 2018	October 31, 2017
Eco-Energy, Inc. - Ethanol	77.5%	77.1%	81.8%
RPMG, Inc. - Distillers' Grains & Corn Oil	22.3%	23.5%	17.8%

Granite Falls Energy, LLC Excluding Heron Lake BioEnergy, LLC | Accounts receivable

Schedule of concentration risk

	October 31, 2019	October 31, 2018
Eco-Energy, Inc. - Ethanol	60.7%	75.2%
RPMG, Inc. - Distillers' Grains & Corn Oil	36.1%	22.8%

Heron Lake BioEnergy, LLC | Total revenues

Schedule of concentration risk

	October 31, 2019	October 31, 2018	October 31, 2017
Eco-Energy, Inc. - Ethanol	77.3%	76.3%	81.3%
Gavilon Ingredients, LLC - Distillers' Grains	16.9%	18.3%	13.7%
RPMG, Inc. - Corn Oil	3.3%	3.7%	4.5%

Heron Lake BioEnergy, LLC | Accounts receivable

Schedule of concentration risk

	October 31, 2019	October 31, 2018
Eco-Energy, Inc. - Ethanol	80.0%	77.6%
Gavilon Ingredients, LLC - Distillers' Grains	15.3%	15.4%
RPMG, Inc. - Corn Oil	2.8%	2.6%