| Number | | | | | | Description | | | | | | Method of Filing | | |
| 4.1 | | | | | | Base Indenture, dated October 8, 2025, between NRG Energy, Inc. and Deutsche Bank Trust Company Americas, as trustee, pertaining to the New Secured Notes. | | | | | | Incorporated herein by reference to Exhibit 4.1 to the Registrant's current report on Form 8-K filed on October 8, 2025. | | |
| 4.2 | | | | | | Supplemental Indenture, dated October 8, 2025, among NRG Energy, Inc., the guarantors named therein and Deutsche Bank Trust Company Americas, as trustee, containing Form of 4.734% Senior Secured First Lien Notes due 2030 and Form 5.407% Senior Secured First Lien Notes due 2035. | | | | | | Incorporated herein by reference to Exhibit 4.2 to the Registrant's current report on Form 8-K filed on October 8, 2025. | | |
| 4.3 | | | | | | Base Indenture, dated October 8, 2025, between NRG Energy, Inc. and Deutsche Bank Trust Company Americas, as trustee, pertaining to the New Unsecured Notes. | | | | | | Incorporated herein by reference to Exhibit 4.5 to the Registrant's current report on Form 8-K filed on October 8, 2025. | | |
| 4.4 | | | | | | Supplemental Indenture, dated October 8, 2025, among NRG Energy, Inc., the guarantors named therein and Deutsche Bank Trust Company Americas, as trustee, containing Form of 5.750% Senior Notes due 2034 and Form of 6.000% Senior Notes due 2036. | | | | | | Incorporated herein by reference to Exhibit 4.6 to the Registrant's current report on Form 8-K filed on October 8, 2025. | | |
| 10.1 | | | | | | Equity Contribution Agreement and Guaranty, dated September 26, 2025, among NRG Energy, Inc., Cedar Bayou 5 Holdings LLC, NRG Cedar Bayou 5 LLC, Public Utility Commissioner of Texas, and Wilmington Trust, National Association, as administrative agent and collateral agent. * | | | | | | Filed herewith. | | |
| 10.2 | | | | | | Credit Agreement, dated September 26, 2025, among NRG Cedar Bayou 5 LLC, Public Utility Commissioner of Texas, and Wilmington Trust, National Association, as administrative agent and collateral agent.* | | | | | | Filed herewith. | | |
| 10.3 | | | | | | Fifteenth Amendment to Second Amended and Restated Credit Agreement, dated as of July 22, 2025, among NRG Energy, Inc., Citicorp North America, Inc., as administrative agent and as collateral agent, and certain financial institutions, as lenders*. | | | | | | Incorporated herein by reference to Exhibit 10.1 to the Registrant's current report on Form 8-K filed on July 25, 2025. | | |
| 22.1 | | | | | | List of Guarantor Subsidiaries | | | | | | Filed herewith. | | |
| 31.1 | | | | | | Rule 13a-14(a)/15d-14(a) certification of Lawrence S. Coben. | | | | | | Filed herewith. | | |
| 31.2 | | | | | | Rule 13a-14(a)/15d-14(a) certification of Woo-Sung Chung. | | | | | | Filed herewith. | | |
| 31.3 | | | | | | Rule 13a-14(a)/15d-14(a) certification of G. Alfred Spencer. | | | | | | Filed herewith. | | |
| 32 | | | | | | Section 1350 Certification. | | | | | | Furnished herewith. | | |
| 101 INS | | | | | | Inline XBRL Instance Document. | | | | | | The instance document does not appear in the interactive data file because its XBRL tags are embedded within the inline XBRL document. | | |
| 101 SCH | | | | | | Inline XBRL Taxonomy Extension Schema. | | | | | | Filed herewith. | | |
| 101 CAL | | | | | | Inline XBRL Taxonomy Extension Calculation Linkbase. | | | | | | Filed herewith. | | |
| 101 DEF | | | | | | Inline XBRL Taxonomy Extension Definition Linkbase. | | | | | | Filed herewith. | | |
| 101 LAB | | | | | | Inline XBRL Taxonomy Extension Label Linkbase. | | | | | | Filed herewith. | | |
| 101 PRE | | | | | | Inline XBRL Taxonomy Extension Presentation Linkbase. | | | | | | Filed herewith. | | |
| 104 | | | | | | Cover Page Interactive Data File (the cover page interactive data file does not appear in Exhibit 104 because it's Inline XBRL tags are embedded within the Inline XBRL document). | | | | | | Filed herewith. | | |