EX-23.7 11 y14425exv23w7.txt EX-23.7: CONSENT OF KPMG LLP EXHIBIT 23.7 Consent of Independent Registered Public Accounting Firm The Board of Directors NRG Energy, Inc.: We consent to the incorporation by reference in this registration statement to be filed on Form S-3 of NRG Energy, Inc. (the Company) of our report dated May 27, 2005, with respect to the balance sheet of Indian River Power LLC as of December 31, 2004, and the related consolidated statements of operations, member's equity, and cash flows for the year then ended, which report is included on Form 8-K dated June 15, 2005, which is incorporated by reference in this registration statement. We also consent to the reference to our firm under the heading "Experts" in this registration statement. /s/ KPMG LLP Philadelphia, Pennsylvania December 20, 2005