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                             October 6, 2020

       Nadeem Nisar
       Chief Executive Officer
       Fortistar Sustainable Solutions Corp.
       One North Lexington Avenue
       White Plains, NY 10601

                                                        Re: Fortistar
Sustainable Solutions Corp.
                                                            Draft Registration
Statement on Form S-1
                                                            Submitted September
10, 2020
                                                            CIK No. 0001822862

       Dear Mr. Nisar:

              We have reviewed your draft registration statement 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 this letter by providing the requested
information and either submitting
       an amended draft registration statement or publicly filing your
registration statement on
       EDGAR. If you do not believe our comments apply to your facts and
circumstances or do not
       believe an amendment is appropriate, please tell us why in your
response.

             After reviewing the information you provide in response to these
comments and your
       amended draft registration statement or filed registration statement, we
may have additional
       comments.

       Draft Registration Statement on Form S-1 submitted September 10, 2020

       General

   1.                                                   Please revise your
registration statement to clarify whether you commissioned any of the
                                                        third-party data that
you cite in the prospectus. To the extent that you commissioned such
                                                        data, also provide the
consent of the third-party in accordance with Rule 436 of the
                                                        Securities Act.
 Nadeem Nisar
FirstName   LastNameNadeem
Fortistar Sustainable SolutionsNisar
                                Corp.
Comapany
October     NameFortistar Sustainable Solutions Corp.
         6, 2020
October
Page  2 6, 2020 Page 2
FirstName LastName
Management
Officers, Directors, and Director Nominees, page 107

2.       Please revise your disclosure to more specifically describe Messrs.
Bryceland's and
         Kelly's employment from 2015 to the present. Please refer to Item
401(e) of Regulation
         S-K.
        You may contact Dale Welcome, Staff Accountant, at (202) 551-3865 or
John Cash,
Accounting Branch Chief, at (202) 551-3768 if you have questions regarding
comments on the
financial statements and related matters. Please contact Sergio Chinos, Staff
Attorney, at (202)
551-7844 or Erin Purnell, Staff Attorney, at (202) 551-3454 with any other
questions.



                                                            Sincerely,

                                                            Division of
Corporation Finance
                                                            Office of
Manufacturing
cc:      Alexander D. Lynch