NRG: Financial results

Item 2.02 Results of Operations and Financial Condition On August 4, 2026, NRG Energy, Inc. issued a press release announcing its financial results for the quarter ended June 30, 2026. A copy of the press release is furnished as Exhibit 99.1 to this report on Form 8-K and is hereby incorporated by reference. Item 9.01 Financial Statements and Exhibits Exhibits Exhibit Number Document 99.1 Press Release, dated August 4, 2026. 104 Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. NRG Energy, Inc. (Registrant) By: /s/ Christine A. Zoino Christine A. Zoino Corporate Secretary Dated: August 4, 2026