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 January, 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 T (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 news release on increase of excess tariffs for power plants in Shanghai Municipality, Jiangsu Province and Zhejiang Province, made by Huaneng Power International, Inc. ("registrant") in English on January 6, 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: January 6, 2005 [GRAPHIC OMITTED] To: Business Editor [For Immediate Release] HUANENG POWER INTERNATIONAL, INC. Excess Tariffs to Increase for Power Plants in Shanghai Municipality, Jiangsu Province and Zhejiang Province (Beijing, China, January 6, 2005) Huaneng Power International, Inc. (the "Company") [NYSE: HNP; HKEx: 902; SSE: 600011] announces that in accordance with the recent documents received from the National Development and Reform Commission, excess tariffs (including VAT) for the Company's power plants in Shanghai Municipality, Jiangsu Province and Zhejiang Province would be adjusted upward to RMB280/MWh, RMB300/MWh and RMB338/MWh, respectively, effective June 15, 2004. According to the documents, the excess tariffs (including VAT) for the Company's power plants in those areas will be adjusted as follows: ------------------------------------------------------------------------------- Power Plant Existing Excess Tariff Adjusted Excess Tariff (RMB/MWh) (RMB/MWh) ------------------------------------------------------------------------------- Shanghai Shidongkou I 260.00 280.00 ------------------------------------------------------------------------------- Shanghai Shidongkou II 260.00 280.00 ------------------------------------------------------------------------------- Nantong 280.00 300.00 ------------------------------------------------------------------------------- Nanjing 280.00 300.00 ------------------------------------------------------------------------------- Huaiyin 280.00 300.00 ------------------------------------------------------------------------------- Taicang 280.00 300.00 ------------------------------------------------------------------------------- Changxing 328.00 338.00 ------------------------------------------------------------------------------- Huaneng Power Int'l , Inc. Excess Tariffs to Increase for Power Plants in Shanghai Municipality, Jiangsu Province and Zhejiang Province ... P.2 Meanwhile, pursuant to the coordination of relevant tariff setting authorities, it is agreed that the proposed on-grid power generation for the Company's Shanghai Shidongkou First Power Plant in 2004 shall be settled on the basis of the temporary on-grid tariff which shall be increased by RMB16.9/MWh from the plant's existing approved tariff of RMB281/MWh (including VAT). Huaneng Power International, Inc. develops, constructs, operates and manages large thermal power plants in China nationwide, with a total generation capacity of 19,852MW on an equity basis. The Company wholly owns sixteen power plants, and has controlling interests in seven power plants and minority interests in four power companies. Today, it 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 Rikes Communications Limited Tel: (852) 2520 2201 Fax: (852) 2520 2241