| Number | | | | | | Description | | | | | | Method of Filing | | |
| 4.1 | | | | | | Third Supplemental Indenture, dated April 28, 2026, among NRG Energy, Inc., the guarantors named therein and Deutsche Bank Trust Company Americas, as trustee, containing Form of 4.955% Senior Secured First Lien Notes due 2031. | | | | | | Incorporated herein by reference to Exhibit 4.2 to the Registrant's current report on Form 8-K filed on April 28, 2026. | | |
| 4.2 | | | | | | Third Supplemental Indenture, dated April 28, 2026, among NRG Energy, Inc., the guarantors named therein and Deutsche Bank Trust Company Americas, as trustee, containing Form of 5.875% Senior Notes due 2034 and Form of 6.125% Senior Notes due 2036. | | | | | | Incorporated herein by reference to Exhibit 4.5 to the Registrant's current report on Form 8-K filed on April 28, 2026. | | |
| 10.1 | | | | | | Sixteenth Amendment to Second Amended and Restated Credit Agreement, dated as of April 28, 2026, by and 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 April 28, 2026. | | |
| 10.2 | | | | | | Amendment No. 8 to Receivables Loan and Servicing Agreement, dated as of June 18, 2026, by and among NRG Retail LLC, as Servicer, NRG Receivables LLC, as Borrower, NRG Energy, Inc., as Performance Guarantor, the Conduit Lenders, Committed Lenders, Facility Agents and LC Issuers party thereto, and Royal Bank of Canada, as administrative Agent, and attached thereto a clean, conformed copy of the Receivables Loan and Servicing Agreement. | | | | | | Filed herewith. | | |
| 10.3* | | | | | | Employment Agreement, dated April 30, 2026, by and between NRG Energy, Inc. and Robert J. Gaudette. | | | | | | Incorporated herein by reference to Exhibit 10.1 to the Registrant's current report on Form 8-K/A filed on April 30, 2026. | | |
| 10.4* | | | | | | Transition and Retirement Agreement, dated April 30, 2026, by and between NRG Energy, Inc. and Lawrence S. Coben. | | | | | | Incorporated herein by reference to Exhibit 10.2 to the Registrant's current report on Form 8-K/A filed on April 30, 2026. | | |
| 10.5* | | | | | | NRG Energy, Inc. 2026 Long-Term Incentive Plan. | | | | | | Incorporated herein by reference to Exhibit 10.1 to the Registrant's report on Form S-8 filed on April 30, 2026. | | |
| 10.6* | | | | | | Relative Performance Stock Unit Agreement, dated April 30, 2026, between NRG Energy, Inc. and Robert J. Gaudette. | | | | | | Filed herewith. | | |
| 22.1 | | | | | | List of Guarantor Subsidiaries. | | | | | | Filed herewith. | | |
| 31.1 | | | | | | Rule 13a-14(a)/15d-14(a) certification of Robert J. Gaudette. | | | | | | 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. | | |