Exhibit 24

POWER OF ATTORNEY
FOR SECTION 16 REPORTING OBLIGATIONS

KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints J. Kyle Derham and James Wilmot Rogers, or any of them signing singly and with full power of substitution, the undersigned’s true and lawful attorney-in-fact to:

(1)

prepare, execute in the undersigned’s name and on the undersigned’s behalf, and submit to the U.S. Securities and Exchange Commission (the “SEC”) a Form ID, including amendments thereto, and any other documents necessary or appropriate to obtain codes and passwords enabling the undersigned to make electronic filings with the SEC of reports required by Section 16(a) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or any rule or regulation of the SEC;

(2)

prepare and execute for and on behalf of the undersigned Schedules 13D and 13G, Forms 3, 4 and 5, and Notices of Proposed Sale of Securities on Form 144, in each case with respect to the securities issued by Rice Acquisition Corporation 3 or any successor thereto (the “Company”), in accordance with Sections 13 and 16(a) of the Exchange Act and the rules thereunder and Rule 144 under the Securities Act of 1933, as applicable (the “Securities Act”);

(3)

do and perform any and all acts for and on behalf of the undersigned that may be necessary or desirable to complete and execute any such Schedules 13D or 13G, Form 3, 4 or 5, or Notices of Proposed Sale of Securities on Form 144, complete and execute any amendment or amendments thereto, and timely file such schedule or form (including any amendment or amendments thereto), with the SEC and any stock exchange or similar authority;

(4)

seek or obtain, as the undersigned’s representative and on the undersigned’s behalf, information regarding transactions in the Company’s securities from any third party, including brokers, employee benefit plan administrators and trustees, and the undersigned hereby authorizes any such person to release any such information to the undersigned and approves and ratifies any such release of information; and

(5)

take any other action of any type whatsoever in connection with the foregoing that, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact’s discretion.

The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact’s substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted.

The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned’s responsibilities to comply with, or any liability for the failure to comply with, any provision of Sections 13 and 16 of the Exchange Act or any provision of Rule 144 under the Securities Act.

This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4 and 5 with respect to the undersigned’s holdings of, and transactions in, securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.

[Signature Page Follows]

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 30^th day of September 2025.

Rice Acquisition Sponsor 3 LLC

By:	/s/ J. Kyle Derham
	Name:	J. Kyle Derham
	Title:	Chief Executive Officer

[Signature Page to the Power of Attorney]

Rice Acquisition Sponsor 3 LLC 3