August 21, 2024

Akash Patel
Chief Financial Officer
NET Power Inc.
320 Roney St., Suite 200
Durham, NC 27701

       Re: NET Power Inc.
           Form 10-K for the Year Ended December 31, 2023
           Filed March 11, 2024
           File No. 001-40503
Dear Akash Patel:

       We have limited our review of your filing to the financial statements
and related
disclosures and have the following comment(s).

       Please respond to this letter 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 a
comment applies to your facts and circumstances, please tell us why in your
response.

       After reviewing your response to this letter, we may have additional
comments.

Form 10-K for the Year Ended December 31, 2023
Management's Discussion and Analysis of Financial Condition and Results of
Operations
Results of Operations
Comparison of the Years Ended December 31, 2023 and 2022, page 49

1.     We note your presentation of the change in results from 2022 to 2023
combines results for
       the predecessor and successor periods for the year ended December 31,
2023. Please
       note it is not appropriate to combine the changes in results for
purposes of your
       Management's Discussion and Analysis as the financial statements are
prepared on
       different bases of accounting and are not comparable. Please revise your
tabular
       presentation and discuss the separate historical results of your
predecessor and successor.
        To the extent you include a supplemental comparative discussion of the
results for 2023
       and 2022 prepared on a pro forma basis consistent with the requirements
set forth in
       Article 11 of Regulation S-X, disclosure should be provided to explain
how the pro forma
       presentation was derived, why you believe the presentation to be useful,
and any potential
       risks associated with using such a presentation. We note a similar
presentation in your 10-
 August 21, 2024
Page 2

       Q filings.
Financial Statements
Notes to Consolidated Financial Statements
Note 13 - Leases
Office Lease, page F-31

2.     Your disclosure indicates that    the simultaneous termination of the
Measurement Building
       Lease and execution of the Roney Street Lease represents a single
transaction accounted
       for as a modification of the Measurement Building Lease.    Given that
you vacated a
       building and moved to a new location, please tell us how you determined
this to be a
       modification rather than a termination of the Measurement Building Lease
with a new
       lease entered into as a separate contract for Roney Street. Please refer
to paragraphs 8 and
       9 of ASC 842-10-25.
       In closing, we remind you that the company and its management are
responsible for the
accuracy and adequacy of their disclosures, notwithstanding any review,
comments, action or
absence of action by the staff.

       Please contact Heather Clark at 202-551-3624 or Melissa Gilmore at
202-551-3777 with
any questions.



                                                            Sincerely,

                                                            Division of
Corporation Finance
                                                            Office of
Manufacturing