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 November, 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 commenced commercial operation of Unit 4 of Yushe Power
Plant and completion of 168 hours Full-load Trial Run of Unit 1 of Qinbei
Power Plant made by Huaneng Power International, Inc. in English on November
23, 2004.





                                   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/ Huang Long
                                       --------------

                                   Name:    Huang Long

                                   Title:   Company Secretary



Date:  November 23, 2004