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 May, 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:

         An announcement on resolutions passed at the seventh meeting of the
fourth session of the Board of Directors, made on May 20, 2004, in English by
Huaneng Power International Inc.





                                   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:     May 20, 2004





The Stock Exchange of Hong Kong Limited takes no responsibility for the
contents of this announcement, makes no representation as to its accuracy or
completeness and expressly disclaims any liability whatsoever for any loss
howsoever arising from or in reliance upon the whole or any part of the
contents of this announcement.


                               [GRAPHIC OMITTED]
                      HUANENG POWER INTERNATIONAL, INC.
 (a Sino-foreign joint stock limited company incorporated in the People's
  Republic of China)

                               (Stock Code: 902)

                    ANNOUNCEMENT FOR RESOLUTIONS PASSED AT
                   THE SEVENTH MEETING OF THE FOURTH SESSION
                           OF THE BOARD OF DIRECTORS


This announcement is made pursuant to Rule 13.09(2) of the Rules Governing the
Listing of Securities on the Stock Exchange of Hong Kong Limited.

On 20th May, 2004, the Board of Directors (the "Board") of Huaneng Power
International, Inc., (the "Company") convened the seventh meeting of the
Fourth Session of the Board at the Company's head office at 2C, Fuxingmennan
Street, Xicheng District, Beijing. Twelve Directors were eligible to attend
the meeting. Attendants of the meeting included twelve Directors (either in
person or by proxy), the Supervisors, Secretary of the Board and other senior
management of the Company. The convening of this meeting complied with the
Companies Law of the People's Republic of China and the articles of
association of the Company (the "Articles"). Mr Li Xiaopeng, Chairman of the
Company, presided over the meeting.

The following resolutions were considered and passed unanimously at the
meeting:-

1. Change of senior management of the Company:

      1.1   the appointment of Mr Huang Yongda as the President of the
            Company;

      1.2   the resignation of Mr. Ye Daji from the position of President of
            the Company;

      1.3   the resignation of Mr. Hu Jianmin from the position of
            Vice-President of the Company

            The Board of Directors of the Company is satisfactory to the work
            done by Mr. Ye Daji and Mr. Hu Jianmin during their service period
            and highly appreciates their contribution to the achievement of
            the Company's development. The Board of Directors expressed its
            whole-heart gratitude to both of them.

2.    The appointment of Mr. Ye Daji as the Vice-chairman of the Board of
      Directors of the Company where such appointment shall take effect
      immediate after the amendments to the Articles coming into force.





3.    The proposal regarding the following amendments to the Articles:

      3.1   to amend Article 85 to the effect that (i) the composition of the
            Board of Director will increase from 12 members to 15 members; and
            (ii) the number of Vice-chairman of the Board will increase from
            one to two.

      3.2   to amend Article 110 to the effect that (i) the composition of the
            Supervisory Committee will change from seven members to six
            members; (ii) more than half of the members of the Supervisory
            Committee (including 50%) shall be external supervisors.

4.    The proposal regarding the convening of the Company's second extraordinary
      general meeting of 2004

      Since the amendments to the Articles as mentioned in paragraph 3 above
      shall be subject to shareholders' approval, the Company will convene its
      second extraordinary general meeting for such purpose. Details of the
      time and venue for and resolutions to be tabled in the extraordinary
      general meeting will be set out in the notice of extraordinary general
      meeting to be issued by the Company subsequently.

The above resolutions were considered and approved by the Board of the Company
on 20th May, 2004 in Beijing.

                                                        By Order of the Board
                                                                  Li Xiaopeng
                                                                     Chairman

As at the date of this announcement, the directors of the Company are:

Li Xiaopeng                               Gao Zongze
(Non-executive director)                  (Independent director)
Wang Xiaosong                             Zheng Jianchao
(Non-executive director)                  (Independent director)
Ye Daji                                   Qian Zhongwei
(Non-executive director)                  (Independent director)
Huang Jinkai                              Xia Donglin
(Non-executive director)                  (Independent director)
Liu Jinlong
(Non-executive director)
Shan Qunying
(Non-executive director)
Yang Shengming
(Non-executive director)
Xu Zujian
(Non-executive director)


Beijing, the PRC
20th May, 2004