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 March, 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: A press release on Huaneng Shanghai Combiled-Cycle-Gas-Turbine Project being approved, made by Huaneng Power International, Inc. in English on March 24, 2005. [GRAPHIC OMITTED] To: Business Editor [For Immediate Release] HUANENG POWER INTERNATIONAL, INC. Announces the Huaneng Shanghai Combined-Cycle-Gas-Turbine Project being Approved (Beijing, China, March 24, 2005) Huaneng Power International, Inc. (the "Company") [NYSE: HNP; HKEx: 902; SSE: 600011] today announced that its Huaneng Shanghai Combined-Cycle-Gas-Turbine Project (the "Project"), with three 300MW-class generating units being constructed, has recently been approved by the National Development and Reform Commission. The Project is located in between Huaneng Shanghai Shidongkou First Power Plant and Huaneng Shanghai Shidongkou Second Power Plant. After being put into operation, the power plant will need a supply of natural gas of about 900 million cubic meters annually, and the gas will be supplied directly through Shanghai's main gas pipeline to the interface outside the walls of the power plant. The investment amount (including capitalized interest) of the Project, which is calculated according to the pricing level of year 2002, is estimated to be approximately RMB3.51 billion, 25% of which is equity capital to be funded by the Company (70%) and Shenergy Company Limited (30%) respectively, with the remaining portion to be funded by bank loans. The Company develops, constructs, operates and manages large thermal power plants in China nationwide, with a total generation capacity of 21,418MW on an equity basis. The Company wholly owns 16 operating power plants, and has controlling interests in ten operating power companies and minority interests in four operating 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 Ms. Christy Lai / Ms. Edith Lui Huaneng Power International, Inc. Rikes Communications Limited Tel: (8610) 6649 1856 / 1866 Tel: (852) 2520 2201 Fax: (8610) 6649 1860 Fax:(852) 2520 2241 Email: ir@hpi.com.cn 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: March 24, 2005 3