EX-23.1 2 tm2526385d1_ex23-1.htm EXHIBIT 23.1

Exhibit 23.1

| KPMG LLP Suite 4000 1735 Market Street Philadelphia, PA 19103-7501

Consent of Independent Auditors

We consent to the incorporation by reference in the registration statements No. 333-217595, 333-197882, 333-185501, 333-182379, 333-171318, 333-151992, 333-135973, 333-114007, 333-270479 and 333-273810 on Form S-8 of NRG Energy, Inc. of our report dated June 27, 2025, with respect to the combined financial statements of Fund III Projects, which report appears in the Form 8-K of NRG Energy, Inc. dated September 24, 2025.

/s/ KPMG LLP

Philadelphia, Pennsylvania
September 24, 2025

KPMG LLP, a Delaware limited liability partnership and a member firm of
the KPMG global organization of independent member firms affiliated with

KPMG International Limited, a private English company limited by guarantee.