Huaneng Power International, Inc. Announces Tariff Adjustments of its Power Plants

    BEIJING, Aug. 21 /Xinhua-EMWNews/ -- Huaneng Power

International, Inc. (the "Company") (NYSE: HNP; HKEx: 902; SSE: 600011)

announced today the adjustments of tariffs of its power plants.



    



    Pursuant to a notice recently issued by the National Development and

Reform Commission (the "NDRC"), the NDRC decided to adjust the on-grid

tariffs of the power plants in order to ease the operation difficulties of

the enterprises operating coal-fired power plant and to ensure a normal

order for their power production and operation.



    According to the approved tariff adjustment plan, the average on-grid

tariffs (including VAT) of the Company's coal-fired power plants would be

increased by RMB22.51/MWh (approximately an increase by 5.67%). The

increase took effect on 20 August 2008.



    Pursuant to a document in respect of the tariff adjustments issued by

the NDRC, the on-grid tariffs of the Company's power plants would be

adjusted as follows:

http://xprnnews.xfn.info/huaneng/20080821/TariffAdj_Table.pdf



    Huaneng Power International, Inc. has a total generation capacity of

36,993MW on an equity basis and a controlling installed generation capacity

of 40,389MW. The Company wholly owns sixteen operating power plants, an

operating power company, and has controlling interests in thirteen

operating power companies and minority interests in five operating power

companies. Currently, it is one of the largest listed power producers in

China.






    For enquiries, please contact:



     Ms. Meng Jing or Ms. Zhao Lin

     Huaneng Power International, Inc.

     Tel:   +86-10-6649-1856 or +86-10-6649-1866

     Fax:   +86-10-6649-1860

     Email: [email protected]



     Ms. Carrie Lam or Mr. Karl Cheung

     Rikes Hill & Knowlton

     Tel: +852-2520-2201

     Fax: +852-2520-2241