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                            July 19, 2022

       G. Patrich Simpkins
       Chief Financial Officer
       Green Plains Inc.
       1811 Aksarben Drive
       Omaha, Nebraska 68106

                                                        Re: Green Plains Inc.
                                                            Form 10-K for the
Fiscal Year Ended December 31, 2021
                                                            Filed February 18,
2022
                                                            File No: 001-32924

       Dear Mr. Simpkins:

              We have reviewed your May 27, 2022 response to our comment letter
and have the
       following comments. In some of our comments, we may ask you to provide
us with information
       so we may better understand your disclosure.

              Please respond to these comments within ten business days by
providing the requested
       information or advise us as soon as possible when you will respond. If
you do not believe our
       comments apply to your facts and circumstances, please tell us why in
your response.

             After reviewing your response to these comments, we may have
additional
       comments. Unless we note otherwise, our references to prior comments are
to comments in our
       May 13, 2022 letter.

       Form 10-K for fiscal year ended December 31,2021

       Results of Operations
       Ethanol Production Segment , page 45

   1.                                                   We acknowledge your
response to prior comment four and proposed revised disclosure.
                                                        However, we continue to
have difficulty in understanding the key factors driving period-
                                                        to-period changes in
reported revenues and gross profit for your ethanol production
                                                        segment. Please provide
us the following information and revise your analysis of
                                                        operating results
accordingly.


                                                              Quantify the
impact that your forward physical contracts and derivative financial
                                                            instruments had on
your reported revenues and costs of goods sold for each period
 G. Patrich Simpkins
FirstName  LastNameG. Patrich Simpkins
Green Plains Inc.
Comapany
July        NameGreen Plains Inc.
     19, 2022
July 19,
Page  2 2022 Page 2
FirstName LastName
              presented. In this regard, we refer to your disclosure on page 50
that you create
              offsetting positions using a combination of forward fixed-price
purchases, sales
              contracts, and derivative financial instruments, and that as a
result, you frequently
              have gains on derivative financial instruments that are offset by
losses on forward
              physical contracts or inventories and vice versa. With respect to
gains/losses on
              derivative instruments, separately quantify the amount
reclassified from AOCI and
              the amount related to derivatives not designated as hedging
instruments as disclosed
              in Note 11.
                With respect to your key operating data, provide information
regarding average
              prices of your commodities during each period to provide a better
understanding of
              the extent to which your revenues were impacted by prices vs
volumes.
                Explain the factors underlying the impact on commodity contract
revenues
              from derivatives not designated as hedging instruments, which
decreased reported
              revenues by $194.1 million in 2021 compared to decreases of $10.8
million in 2020
              and $10.2 million in 2019, as disclosed on page F-27.
                Describe and quantify key factors underlying changes in gross
profit for ethanol,
              distiller grains and corn oil sold through the ethanol production
segment
              for each period presented. In this regard, we note your
disclosure on page 50 that net
              gains and losses from settled derivative instruments are offset
by physical commodity
              purchases or sales to achieve the intended operating margins.
Illustrate for us the
              impact that your pricing risk strategy had on your gross profit
margin for the periods
              presented.
Notes to the Consolidated Financial Statements
2. Summary of Significant Accounting Policies
Revenue Recognition, page F-11

2.       We note your response to prior comment five; however, we continue to
have difficulty
         understanding the difference between your "energy trading
transactions", which are
         accounted for as derivatives, and your "commodity sales contracts",
which are accounted
         for under ASC 606. Please address the following:

                As previously requested, describe each stage in your process
for selling ethanol and
              other commodities and each stage in your process for managing
associated price risk
              that addresses commodity products produced in your plants,
marketed for third
              parties or purchased in the open market. Provide a breakdown of
revenues for each of
              these commodity product categories for each period presented.
                Describe in more specificity the key differences between your
energy trading
              transactions and commodity sales contracts and provide an example
of each. For
              each example, explain how you evaluated the provisions of the
contract to determine
              whether it met the normal purchases and sales exception in ASC
815-10-15-22.
 G. Patrich Simpkins
Green Plains Inc.
July 19, 2022
Page 3
                Describe the circumstances that would trigger settlement of
your physical delivery
              energy contracts through the transfer of your contractual
obligations to other
              counterparties in lieu of physical delivery to your customer and
quantify the level of
              these activities for each period presented.

       You may contact Frank Wyman at 202-551-3660 or Angela Connell at
202-551-3426, if
you have questions regarding comments on the financial statements and related
matters.



FirstName LastNameG. Patrich Simpkins                          Sincerely,
Comapany NameGreen Plains Inc.
                                                               Division of
Corporation Finance
July 19, 2022 Page 3                                           Office of Life
Sciences
FirstName LastName