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, 2005 (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: The announcement on the first meeting of the Fifth Session of the Supervisory Committee of Huaneng Power International, Inc.(the "Registrant"), made by the Registrant in English on May 12, 2005. 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: May 12, 2005 [GRAPHIC OMITTED] (a Sino-foreign joint stock limited company incorporated in the People's Republic of China) (Stock Code: 902) OVERSEAS REGULATORY ANNOUNCEMENT RESOLUTION PASSED AT THE FIRST MEETING OF THE FIFTH SESSION OF THE SUPERVISORY COMMITTEE This announcement is made by Huaneng Power International, Inc. (the "Company") pursuant to Rule 13.09(2) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited. On 11th May 2005, the first meeting of the Fifth Session of the Supervisory Committee of Huaneng Power International, Inc. (the "Company") was convened at the Company's head office at 2C, Fuxingmennan Street, Xicheng District, Beijing. Six Supervisors were eligible to attend the meeting. A total of six Supervisors attended the meeting (either in person or by proxy). The convening of this meeting complied with the Company Law of the People's Republic of China and the articles of association of the Company. Mr Ye Daji presided over the meeting. The proposal regarding the election of the Chairman and Vice-chairman of the Fifth Session of the Supervisory Committee was approved unanimously and that Mr Ye Daji and Ms Yu Ying were elected as the Chairman and Vice-chairman of the Fifth Session of the Supervisory Committee respectively. Supervisory Committee of Huaneng Power International, Inc. As at the date of this announcement, the directors of the Company are: Li Xiaopeng Qian Zhongwei (Executive director) (Independent non-executive director) Huang Yongda Xia Donglin (Executive director) (Independent non-executive director) Wang Xiaosong Liu Jipeng (Non-executive director) (Independent non-executive director) Na Xizhi Wu Yusheng (Non-executive director) (Independent non-executive director) Huang Long Yu Ning (Executive director) (Independent non-executive director) Wu Dawei (Non-executive director) Shan Qunying (Non-executive director) Yang Shengming (Non-executive director) Xu Zujian (Non-executive director) Liu Shuyuan (Non-executive director) Beijing, the PRC 12th May 2005