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:

         A press release 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.




To: Business Editor
[For Immediate Release]


                       HUANENG POWER INTERNATIONAL, INC.
                  Resolutions Passed at the Seventh Meeting of
                  the Fourth Session of the Board of Directors

(Beijing, China, May 20, 2004) Huaneng Power International, Inc. (the
"Company") [NYSE: HNP; HKEx: 902; SSE: 600011] today held its seventh meeting
of the fourth session of the Board of Directors (the "Board") in Beijing. Mr.
Li Xiaopeng, Chairman of the Company presided the meeting. Directors and their
proxies, the Supervisors, Secretary of the Board and other senior management of
the Company attended 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 is satisfactory to the work done by Mr. Ye Daji and Mr. Hu
      Jianmin during their service period and highly appreciate their
      contributions to the achievement of the Company's development during the
      past years. The Board expressed its whole-hearty gratitude to both of
      them.

2.    The appointment of Mr. Ye Daji as the Vice-chairman of the Board where
      such appointment shall take effect immediately after the amendments to
      the Articles of Association of the Company (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 Directors will increase from 12 members to 15 members;
             and (ii) the number of Vice-chairman of the Board of Directors
             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.


                                                                          .../2




Huaneng Power Int'l, Inc.
Resolutions Passed at the Seventh Meeting of the
Fourth Session of the Board of Directors.../P. 2



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 of 2004 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 on May 20, 2004
in Beijing.

The Company develops, constructs, operates and manages large thermal power
plants in China nationwide, with a total generation capacity of 15,736MW on an
equity basis. The Company wholly owns 14 power plants, and has controlling
interests in five power plants and minority interests in three power companies.
Today, the Company 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 / Ms. Fanny Jor
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:     May 20, 2004