TLN Talen Energy Corporation

The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

 Name of Reporting Person:

 MFN Partners, LP

 I.R.S. Identification No. of above Person (entities only) (voluntary)

 Check the Appropriate Box if a Member of a Group

 (a) ☐  (b) ☐

 SEC USE ONLY

 Citizenship or Place of Organization

 Delaware

NUMBER OF

SHARES  BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

 SOLE VOTING POWER

 0

 SHARED VOTING POWER

 3,000,000

 SOLE DISPOSITIVE POWER

 0

 SHARED DISPOSITIVE POWER

 3,000,000

 AGGREGATE AMOUNT BENEFICIALLY OWNED

 3,000,000

 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 ☐

 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 5.9%

 TYPE OF REPORTING PERSON

 PN

 Names of Reporting Person:

 MFN Partners GP, LLC

 I.R.S. Identification No. of above Person (entities only) (voluntary)

 Check the Appropriate Box if a Member of a Group

 (a) ☐  (b) ☐

 SEC USE ONLY

 Citizenship or Place of Organization

 Delaware

NUMBER OF

SHARES  BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

 SOLE VOTING POWER

 0

 SHARED VOTING POWER

 3,000,000

 SOLE DISPOSITIVE POWER

 0

 SHARED DISPOSITIVE POWER

 3,000,000

 AGGREGATE AMOUNT BENEFICIALLY OWNED

 3,000,000

 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 ☐

 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 5.9%

 TYPE OF REPORTING PERSON

 OO

 Names of Reporting Person:

 MFN Partners Management, LP

 I.R.S. Identification No. of above Person (entities only) (voluntary)

 Check the Appropriate Box if a Member of a Group

 (a) ☐  (b) ☐

 SEC USE ONLY

 Citizenship or Place of Organization

 Delaware

NUMBER OF

SHARES  BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

 SOLE VOTING POWER

 0

 SHARED VOTING POWER

 3,000,000

 SOLE DISPOSITIVE POWER

 0

 SHARED DISPOSITIVE POWER

 3,000,000

 AGGREGATE AMOUNT BENEFICIALLY OWNED

 3,000,000

 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 ☐

 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 5.9%

 TYPE OF REPORTING PERSON

 IA, PN

 Names of Reporting Person:

 MFN Partners Management, LLC

 I.R.S. Identification No. of above Person (entities only) (voluntary)

 Check the Appropriate Box if a Member of a Group

 (a) ☐  (b) ☐

 SEC USE ONLY

 Citizenship or Place of Organization

 Delaware

NUMBER OF

SHARES  BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

 SOLE VOTING POWER

 0

 SHARED VOTING POWER

 3,000,000

 SOLE DISPOSITIVE POWER

 0

 SHARED DISPOSITIVE POWER

 3,000,000

 AGGREGATE AMOUNT BENEFICIALLY OWNED

 3,000,000

 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 ☐

 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 5.9%

 TYPE OF REPORTING PERSON

 OO

 Names of Reporting Person:

 Michael F. DeMichele

 I.R.S. Identification No. of above Person (entities only) (voluntary)

 Check the Appropriate Box if a Member of a Group

 (a) ☐  (b) ☐

 SEC USE ONLY

 Citizenship or Place of Organization

 United States

NUMBER OF

SHARES  BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

 SOLE VOTING POWER

 0

 SHARED VOTING POWER

 3,000,000

 SOLE DISPOSITIVE POWER

 0

 SHARED DISPOSITIVE POWER

 3,000,000

 AGGREGATE AMOUNT BENEFICIALLY OWNED

 3,000,000

 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 ☐

 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 5.9%

 TYPE OF REPORTING PERSON

 IN

 Names of Reporting Person:

 Farhad Nanji

 I.R.S. Identification No. of above Person (entities only) (voluntary)

 Check the Appropriate Box if a Member of a Group

 (a) ☐  (b) ☐

 SEC USE ONLY

 Citizenship or Place of Organization

 Canada

NUMBER OF

SHARES  BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

 SOLE VOTING POWER

 0

 SHARED VOTING POWER

 3,000,000

 SOLE DISPOSITIVE POWER

 0

 SHARED DISPOSITIVE POWER

 3,000,000

 AGGREGATE AMOUNT BENEFICIALLY OWNED

 3,000,000

 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 ☐

 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 5.9%

 TYPE OF REPORTING PERSON

 IN

Address of Issuer’s Principal Executive Offices:

2929 Allen Parkway, Suite 2200, Houston, TX 77019

Name of Persons Filing:

This Schedule 13G is being filed by and on behalf of (i) MFN Partners, LP (the “Partnership”); (ii) MFN Partners GP, LLC (“MFN GP”), as the general partner of the Partnership; (iii) MFN Partners Management, LP (“MFN Management”), as the investment adviser to the Partnership; (iv) MFN Partners Management, LLC (“MFN LLC”), as the general partner of MFN Management; (v) Michael F. DeMichele, as a managing member of MFN GP and of MFN LLC; and (vi) Farhad Nanji, as a managing member of MFN GP and of MFN LLC (each, a “Reporting Person” and collectively, the “Reporting Persons”).

Address of Principal Business Office, or if None, Residence:

c/o MFN Partners Management, LP, 222 Berkeley Street, 13^th Floor, Boston, MA 02116

Citizenship:

The Partnership is a Delaware limited partnership. MFN GP is a Delaware limited liability company. MFN Management is a Delaware limited partnership. MFN LLC is a Delaware limited liability company. Michael F. DeMichele is a citizen of the United States and Farhad Nanji is citizen of Canada.

If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is:

Not Applicable.

Ownership:

(a) through (c):

The information requested herein is incorporated by reference to the cover pages to this Schedule 13G. Percentage ownership is based on 50,841,161 shares of Common Stock outstanding as of July 1, 2024, as reported in the Issuer’s Prospectus on Form 423B3 filed with the Securities and Exchange Commission on July 9, 2024.

The shares reported herein are directly held by the Partnership. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or his pecuniary interest therein.

Certification:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having such purpose or effect.