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                           April 26, 2021

       Jacob Wolf
       General Counsel and Secretary
       FTC Solar, Inc.
       9020 N Capital of Texas Hwy, Suite I-260
       Austin, Texas 78759

                                                        Re: FTC Solar, Inc.
                                                            Amendment No. 1 to
Registration Statement on Form S-1
                                                            Filed April 19,
2021
                                                            File No. 333-254797

       Dear Mr. Wolf:

             We have reviewed your amended 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 amending your registration
statement and providing the
       requested information. 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 any amendment to your registration statement and
the information you
       provide in response to these comments, we may have additional comments.
Unless we note
       otherwise, our references to prior comments are to comments in our March
24, 2021 letter.

       Amendment to Form S-1

       The Offering
       Risk Factors, page 12

   1.                                                   Your disclosure on page
12 indicates that the number of shares of common stock
                                                        outstanding after the
offering gives effect to 3,669,373 shares of common stock
                                                        repurchased in the
Stock Repurchase. However, your disclosure on page 11 indicates that
                                                        you plan to repurchase
7,894,735. Please reconcile or revise these amounts.
 Jacob Wolf
FTC Solar, Inc.
April 26, 2021
Page 2
Financial Statements
Notes to Consolidated Financial Statements
19. Subsequent Events (Unaudited), page F-27

2.    You disclose that the proposed stock split will occur "after the
registration statement and
      before the closing of this offering". Please confirm to us and revise the
note to clarify that
      the stock split will be effected prior to the closing of the offering,
but will not be effected
      prior to effectiveness of your registration statement. Otherwise, revise
the financial
      statements in your filing to retroactively present the stock split
consistent with the
      guidance in SAB 4C and have your auditors dual date their report for the
impact of the
      split.
General

3.    Please revise to include disclosures required by Item 103 of Regulation
S-K. In that
      regard, we note recent press of a lawsuit filed against you by FCX Solar
LLC. Also, tell us
      how you considered the guidance in ASC 450 in concluding on the need for
disclosure of
      this lawsuit in your financial statements.
       You may contact Heather Clark, Staff Accountant at (202) 551-3624 or
Martin James,
Senior Advisor at (202) 551-3671 if you have questions regarding comments on
the financial
statements and related matters. Please contact Sherry Haywood, Staff Attorney
at (202) 551-
3345 or Asia Timmons-Pierce, Special Counsel at (202) 551-3754 with any other
questions.



                                                              Sincerely,
FirstName LastNameJacob Wolf
                                                              Division of
Corporation Finance
Comapany NameFTC Solar, Inc.
                                                              Office of
Manufacturing
April 26, 2021 Page 2
cc:       Andrea Nicolas
FirstName LastName