Filed by Xcel Energy Inc.
Pursuant to Rule 425 under the Securities Act of 1933
Subject Company: NRG Energy, Inc.
Registration No.: 333-84264


  U.S. Bancorp Center
800 Nicollet Mall
Minneapolis, MN 55402-2023

May 16, 2002

Xcel Energy Extends NRG Exchange Offer Deadline Until May 31, 2002

MINNEAPOLIS — Xcel Energy Inc. (NYSE: XEL) announced today that, because it has not yet received an order from the Securities and Exchange Commission under the Public Utility Holding Company Act authorizing Xcel Energy to consummate the exchange offer for NRG common stock, it has extended the expiration of the offer to midnight EDT on May 31, 2002. The other terms and conditions of the exchange offer remain unchanged. Xcel Energy is optimistic that the order will be issued before the new expiration date and remains firmly committed to completing the exchange offer as expeditiously as possible.

Under the exchange offer, NRG’s public shareholders will receive 0.50 of a share of Xcel Energy common stock in a tax-free exchange for each outstanding share of NRG common stock they hold.

Xcel Energy is a major U.S. electricity and natural gas company with operations in 12 Western and Midwestern states. Formed by the merger of Denver-based New Century Energies and Minneapolis-based Northern States Power Co., Xcel Energy provides a comprehensive portfolio of energy-related products and services to 3.2 million electricity customers and 1.7 million natural gas customers through its regulated operating companies. In terms of customers, it is the fourth-largest combination natural gas and electricity company in the nation. Company headquarters are located in Minneapolis. More information is available at


In connection with the proposed exchange offer for NRG shares, Xcel Energy has filed a prospectus and related materials with the SEC. Investors and security holders may obtain a free copy of the exchange offer prospectus and other documents filed by Xcel Energy with the SEC at the commission’s Web site at Free copies of the exchange offer prospectus, as well as Xcel Energy’s related filings with the commission, also may be obtained from Xcel Energy by directing a request to Xcel Energy’s information agent for this offer, Georgeson Shareholder Communications, Inc., 111 Commerce Road, Carlstadt, NJ 07072 or call toll-free at (866) 800-0230.



Forward-Looking Information

Although Xcel Energy believes its expectations are based on reasonable assumptions, it can give no assurance that its goals will be achieved. Important factors that could cause actual results to differ materially from those contained in the forward-looking statements include satisfaction of all conditions to the exchange offer that cannot be waived, including the approval of the SEC under the Public Utility Holding Company Act, and the satisfaction or waiver of conditions to the exchange offer that may be waived. Some of the conditions to the exchange offer include the receipt of all required regulatory approvals, the tender by the public stockholders of a minimum number of their shares and the absence of an injunction or litigation concerning the exchange offer. In light of these uncertainties, there can be no assurances that the exchange offer will be completed.

CONTACT: Xcel Energy Inc., Minneapolis

For more information, contact:

E J McIntyre   Vice President & Chief Financial Officer   (612) 215-4515
R J Kolkmann   Managing Director, Investor Relations   (612) 215-4559
P A Johnson   Director, Investor Relations   (612) 215-4535
For news media inquiries only, please call Xcel Energy media relations
Xcel Energy Internet Address:
  (612) 215-5300