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                             November 3, 2023

       Anthony Petrello
       Chief Executive Officer
       Vast Solar Pty Ltd
       226-230 Liverpool Street
       Darlinghurst, NSW 2010
       Australia

                                                        Re: Vast Solar Pty Ltd
                                                            Amendment No. 3 to
Registration Statement on Form F-4
                                                            Filed October 23,
2023
                                                            File No. 333-272058

       Dear Anthony Petrello:

            We have reviewed your amended registration statement and have the
following
       comment(s).

              Please respond to this letter by amending your registration
statement and providing the
       requested information. If you do not believe a comment applies 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 this letter, we may have additional comments.
Unless we note otherwise,
       any references to prior comments are to comments in our October 13, 2023
letter.

       Amendment No. 3 to Registration Statement on Form F-4

       What interests do the current officers and directors of NETC have in the
Business Combination?,
       page 17

   1.                                                   Please quantify the
value of the 350,000 Vast Ordinary Shares to be issued to Nabors as
                                                        an Incremental Funding
Commitment Fee at Closing.
       Ownership of Vast after Closing, page 39

   2.                                                   We note your disclosure
of total pro forma book value as of June 30, 2023 on pages 12
                                                        and 39. The amounts
appear to represent total liabilities and equity, rather than total
                                                        equity. Please revise
your total pro forma book value and pro forma book value per
                                                        share as applicable or
advise.
 Anthony Petrello
Vast Solar Pty Ltd
November 3, 2023
Page 2
Background of the Business Combination , page 129

3.       We note that the parties recently entered into a number of
transactions, including, but
         limited to, backstop arrangement, financing, and waiver to the
Business Combination
         Agreement. Please revise this section to reflect the recent
negotiations and transactions.
General

4.       Please disclose the material terms of the Canberra Subscription,
including any fees to be
         paid by the company to the investor.
       Please contact Stephany Yang at 202-551-3167 or Ernest Greene at
202-551-3733 if you
have questions regarding comments on the financial statements and related
matters. Please
contact Eranga Dias at 202-551-8107 or Asia Timmons-Pierce at 202-551-3754 with
any other
questions.



FirstName LastNameAnthony Petrello                             Sincerely,
Comapany NameVast Solar Pty Ltd
                                                               Division of
Corporation Finance
November 3, 2023 Page 2                                        Office of
Manufacturing
FirstName LastName