TWENTY-FOURTH SUPPLEMENTAL INDENTURE FOR ADDITIONAL SUBSIDIARY GUARANTEES

Exhibit 4.1

TWENTY-FOURTH SUPPLEMENTAL INDENTURE FOR
ADDITIONAL SUBSIDIARY GUARANTEES

      Twenty-Fourth Supplemental Indenture (this “ Supplemental Indenture for Additional Guarantees ”), dated as of October 5, 2009, among NRG Retail LLC, Reliant Energy Power Supply, LLC, Reliant Energy Retail Holdings, LLC, RERH Holdings, LLC, Reliant Energy Retail Services, LLC and RE Retail Receivables, LLC (each a “ Guaranteeing Subsidiary ” and together the “ Guaranteeing Subsidiaries ”), each an indirect subsidiary of NRG Energy, Inc., a Delaware corporation (the “ Company ”), the Company, the Existing Guarantors set forth on the signature page hereto (the “ Existing Guarantors ”) and Law Debenture Trust Company of New York, as trustee under the indentures referred to below (the “ Trustee ”).

W I T N E S S E T H

     WHEREAS, the Company has heretofore executed and delivered to the Trustee an indenture (the “ Base Indenture ”), dated as of February 2, 2006, between the Company and the Trustee, as amended by a first supplemental indenture (the “ First Supplemental Indenture ”), dated as of February 2, 2006, among the Company, the Guarantors named therein and the Trustee, providing for the original issuance of an aggregate principal amount of $1,200 million of 7.250% Senior Notes due 2014 (the “ Initial Notes ”), and, subject to the terms of the Indenture, future unlimited issuances of 7.250% Senior Notes due 2014 (the “ Additional Notes ,” and together with the Initial Notes, the “ Notes ”), a third supplemental indenture (the “ Third Supplemental Indenture ”), dated as of March 14, 2006, among the Company, the Existing Guarantors party thereto and the Trustee, a fifth supplemental indenture (the “ Fifth Supplemental Indenture ”), dated as of April 28, 2006, among the Company, the Existing Guarantors party thereto and the Trustee, a seventh supplemental indenture (the “Seventh Supplemental Indenture" ), dated as of November 13, 2006, among the Company, the Existing Guarantors party thereto and the Trustee, a tenth supplemental indenture, dated July 19, 2007, among the Company, the Existing Guarantors party thereto and the Trustee (the “Tenth Supplemental Indenture" ), a thirteenth supplemental indenture (the “Thirteenth Supplemental Indenture" ), dated as of August 28, 2007, among the Company, the Existing Guarantors party thereto and the Trustee, a sixteenth supplemental indenture (the “Sixteenth Supplemental Indenture" ), dated April 28, 2009, among the Company, the Guaranteeing Subsidiary, the Existing Guarantors party thereto and the Trustee, and a nineteenth supplemental indenture, dated as of May 8, 2009, among the Company, the Existing Guarantors and the Trustee (the “Nineteenth Supplemental Indenture” and together with the Base Indenture, the First Supplemental Indenture, the Third Supplemental Indenture, the Fifth Supplemental Indenture, the Seventh Supplemental Indenture, the Tenth Supplemental Indenture, the Thirteenth Supplemental Indenture and the Sixteenth Supplemental Indenture, the “ Indenture ”);

     WHEREAS, the Indenture provides that under certain circumstances the Guaranteeing Subsidiaries shall execute and deliver to the Trustee a supplemental indenture pursuant to which the Guaranteeing Subsidiaries shall unconditionally guarantee all of the Company’s Obligations under the Notes and the Indenture (the “ Additional Guarantees ”); and

     WHEREAS, pursuant to Section 4.17 of the First Supplemental Indenture, the Trustee, the Company and the other Guarantors are authorized and required to execute and deliver this Supplemental Indenture for Additional Guarantees.

     NOW THEREFORE, in consideration of the foregoing and for good and valuable consideration, the receipt of which is hereby acknowledged, the Guaranteeing Subsidiaries, the Trustee, the Company and the other Guarantors mutually covenant and agree for the equal and ratable benefit of the Holders of the Notes as follows:

     1.  Capitalized Terms . Unless otherwise defined in this Supplemental Indenture for Additional Guarantees, capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

     2.  Agreement to be Bound; Guarantee . The Guaranteeing Subsidiaries hereby become