Item 8.01 Other Events.

On February 26, 2009, Exelon Corporation ("Exelon") announced that it has extended the expiration date of its previously announced exchange offer for all of the outstanding shares of common stock, par value $0.01 per share (the "NRG common stock"), of NRG Energy, Inc., a Delaware corporation ("NRG"), upon the terms and subject to the conditions set forth in the Prospectus/Offer to Exchange dated November 12, 2008, as amended, and in the related Letter of Transmittal. The exchange offer, which was scheduled to expire at 5:00 p.m., New York City time, on February 25, 2009, has been extended until 5:00 p.m., New York City time, on June 26, 2009, unless further extended.

Attached hereto as Exhibit 99.1 is a copy of the press release issued by Exelon on February 26, 2009 announcing the extension of the exchange offer for all outstanding shares of NRG common stock.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

99.1 Press release announcing the extension of the exchange offer for all outstanding shares of NRG common stock, dated February 26, 2009.

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This combined Form 8-K is being furnished separately by Exelon and Exelon Generation Company, LLC (the "Registrants"). Information contained herein relating to any individual Registrant has been furnished by such Registrant on its own behalf. No Registrant makes any representation as to information relating to any other Registrant.

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