NET Power Inc.
404 Hunt Street, Suite 410
Durham, North Carolina 27701

September 21, 2023

VIA EDGAR

United States Securities and Exchange Commission
Division of Corporation Finance
Office of Manufacturing
100 F Street, NE
Washington, D.C. 20549

Attention:	Alex King
	Erin Purnell

Re:	NET Power Inc.
	Registration Statement on Form S-1, as amended
	File No. 333-273183

Ladies and Gentlemen:

Pursuant to Rule 461 under the Securities Act of 1933, as amended, NET Power Inc. (the “Company”) hereby requests that the effective date for the above-referenced Registration Statement be accelerated so that it will become effective at 4:00 p.m., Eastern Time, on September 25, 2023, or as soon thereafter as is practicable.

Please contact Lanchi Huynh of Kirkland & Ellis LLP, the Company’s legal counsel, at (214) 972-1673 when the above-referenced Registration Statement has been declared effective or if you have any other questions or concerns regarding this matter.

	Sincerely,

	NET POWER INC.

	By:	/s/ Akash Patel
	Name:	Akash Patel
	Title:	Chief Financial Officer

	cc:	Matthew Pacey, P.C. (Kirkland & Ellis LLP)
		Lanchi Huynh (Kirkland & Ellis LLP)