January 30, 2026 - EXHIBIT 24.2 - Banpu Power Public Co Ltd, Banpu Power Us Corp - 3: Initial statement of beneficial ownership of securities

Exhibit 24.2

POWER OF ATTORNEY

KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints each of Lindsay Larrick, Kathleen Lenox, Maureen Carroll and Grant Jones, signing singly, as the undersigned’s true and lawful attorney-in-fact, with full power and authority 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 enroll in Edgar Next or any successor filing system and obtain and/or update credentials (including 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, execute, deliver and file for and on behalf of the undersigned, in the undersigned’s capacity as an officer, director and/or shareholder of BKV Corporation (the “Company”), Forms 3, 4 and 5, Schedules 13D and 13G, or any amendment thereto (each, a “Filing”), in accordance with Section 13 or Section 16 of the Exchange Act and the rules promulgated thereunder, and any other forms or reports the undersigned may be required to file in connection with the undersigned’s ownership, acquisition or disposition of securities of the Company;

(3)

do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Filing, including any electronic filing thereof, complete and execute any amendment or amendments thereto, and timely file such Filing with the SEC and any stock exchange or similar authority, and provide a copy as required by law or advisable to such persons as the attorney-in-fact deems appropriate;

(4)

seek or obtain, as the undersigned’s representative and on the undersigned’s behalf, information on 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 attorney-in-fact for the undersigned and approves and ratifies any such release of information;

(5)

do and perform any and all acts for and on behalf of the undersigned which may be necessary to serve as an account administrator for the undersigned’s EDGAR account, including (i) appoint, remove and replace account administrators, account users, and delegated entities; (ii) maintain the security of the undersigned’s EDGAR account, including modification of access codes; (iii) maintain, modify and certify the accuracy of information on the undersigned’s EDGAR account dashboard; (iv) act as the EDGAR point of contact with respect to the undersigned’s EDGAR account; and (iv) any other actions contemplated by Rule 10 of Regulation S-T;

(6)

cause the Company to accept a delegation of authority from the undersigned’s EDGAR account administrators and authorize the Company’s EDGAR account administrators pursuant to that delegated entity designation to appoint, remove or replace users for the undersigned’s EDGAR account; and

(7)

take any other action of any type whatsoever in connection with the foregoing which, 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 Section 13 and Section 16 of the Exchange Act.

This Power of Attorney shall remain in full force and effect until (i) the undersigned is no longer required to file any of Forms 4 or 5 or Schedules 13D or 13G with respect to the undersigned’s holdings of and transactions in securities issued by the Company, (ii) the date that this Power of Attorney is revoked by the undersigned in a signed writing delivered to any of the foregoing attorneys-in-fact, or (iii) the date that the applicable attorney-in-fact is no longer employed by the Company or any of its affiliates. For the avoidance of doubt, this Power of Attorney may cease to be in effect for one or more of the attorneys-in-fact named herein while still being in effect for one or more of the other attorneys-in-fact named herein.

[Signature Page Follows]

IN WITNESS WHEREOF, the undersigned has duly executed this instrument for the uses and purposes herein set forth as of this 30^th day of January, 2026.

	BANPU POWER US Corporation

	By:	/s/ Dechapong Yuwaprecha
	Name:	Dechapong Yuwaprecha
	Title:	Authorized Representative

Signature Page to Power of Attorney

Form: 3

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