FORM 6-K


                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549


                       Report of Foreign Private Issuer
                     Pursuant to Rule 13a-16 or 15d-16 of
                      the Securities Exchange Act of 1934


                       For the month of September, 2004

          (Indicate by check mark whether the registrant files
or will file annual reports under cover of Form 20-F or Form 40-F.)
                     Form 20-F   X           Form 40-F
                               -----                   -----

       (Indicate by check mark whether the registrant by furnishing the
         information contained in this form is also thereby furnishing
         the information to the Commission pursuant to Rule 12g3-2(b)
                  under the Securities Exchange Act of 1934.)
                     Yes                     No     X
                          -----                  -------

 (If "Yes" is marked, indicate below the file number assigned to registrant in
                          connection with Rule 12g3-2(b): 82-__________.)
                                      N/A

                       Huaneng Power International, Inc.
                    West Wing, Building C, Tianyin Mansion
                          No. 2C Fuxingmennan Street
                               Xicheng District
                              Beijing, 100031 PRC



This Form 6-K consists of:

         A press release on the Extraordinary General Meeting, Domestic Shares
Class Meeting and H Shares Class Meeting held by Huaneng Power International
Inc. ("registrant"), made on September 28, 2004, in English by the registrant.




To: Business Editor
[For Immediate Release]


                       HUANENG POWER INTERNATIONAL, INC.
      Holds Extraordinary General Meeting, Domestic Shares Class Meeting
                          and H Shares Class Meeting


(Beijing, China, September 28, 2004) Huaneng Power International, Inc. (the "
Company ") [NYSE: HNP; HKEx: 902; SSE: 600011] announced today that the
Company held its Extraordinary General Meeting ("EGM") on September 28, 2004.
Resolutions to approve the following matters have been passed at the meeting:

1. amendments to the Company's articles of association;

2. appointment of three new directors; and

3. Issuance of convertible bonds:

     3.1    mandating the issuance by the Company of up to US$300 million in
            principal amount of bonds convertible to the Company's overseas
            listed foreign shares within 12 months from the date of approval
            by special resolutions passed at the Company's EGM, Domestic
            Shares Class Meeting and H Shares Class Meeting; and

     3.2    authorizing the board of directors to determine the terms and
            conditions of the convertible bonds and execute all necessary
            legal documents to effectuate the issuance of the convertible
            bonds, including making necessary amendments to the Company's
            articles of association.

In addition, on the same date, the Company also held its Domestic Shares Class
Meeting and H Shares Class Meeting, respectively. Resolution 3 above has been
adopted at each such class meeting.

This press release is being issued pursuant to and in accordance with Rule
135c under the Securities Act of 1933, as amended (the "Securities Act"). This
press release shall not constitute an offer to sell or the solicitation of an
offer to buy the notes. The notes and overseas listed foreign shares issuable
upon conversion of the notes have not been registered under the Securities
Act, or applicable state securities laws, and unless so registered, may not be
offered or sold in the United States, except pursuant to an applicable
exemption from the registration requirements of the Securities Act and
applicable state securities laws.

Huaneng Power International, Inc. develops, constructs, operates and manages
large thermal power plants in China nationwide, with a total generation
capacity of 18,832MW on an equity basis. The Company wholly owns sixteen power
plants, and has controlling interests in seven power plants and minority
interests in four power companies. Today, it is one of the largest independent
power producers in China.


                                    ~ End ~


For further information, please contact:

Ms. Meng Jing / Ms. Zhao Lin
Huaneng Power International, Inc.
Tel:  (8610) 6649 1856 / 1866
Fax:  (8610) 6649 1860
Email:  ir@hpi.com.cn


Ms. Christy Lai / Ms. Edith Lui
Rikes Communications Limited
Tel:  (852) 2520 2201
Fax:  (852) 2520 2241





                                   SIGNATURE


         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
under-signed, thereunto duly authorized.

                                      HUANENG POWER INTERNATIONAL, INC.


                                      By  /s/ Wang Xiaosong
                                         --------------------------------------
                                      Name:    Wang Xiaosong
                                      Title:   Vice Chairman


Date:     September 28, 2004