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 April, 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 the notice of extraordinary general meeting, made
on April 29, 2004, in English by Huaneng Power International Inc.





                                   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/ Wang Xiaosong
                            -------------------------------

                          Name:    Wang Xiaosong
                          Title:   Vice Chairman


Date:     April 29, 2004





                      [GRAPHIC OMITTED][GRAPHIC OMITTED]

   (A Sino-foreign joint stock limited company incorporated in the People's
                              Republic of China)

                               (Stock Code: 902)

                    NOTICE OF EXTRAORDINARY GENERAL MEETING

Notice is hereby given that an extraordinary general meeting of Huaneng Power
International, Inc. (the "Company") will be held at 9 a.m. on 15th June, 2004
(Tuesday) at Beijing International Convention Centre at No. 8 Beichen East
Road, Chaoyang District, Beijing, The People's Republic of China, for the
purpose of considering and, if thought fit, passing the following ordinary
resolutions:

                             Ordinary resolutions:

1.    To approve the acquisition of 40% interest in Hebei Hanfeng Power
      Generation Limited Liability Company and 90% interest in Jinggangshan
      Huaneng Power Generation Limited Liability Company held by China Huaneng
      Group by the Company and the Agreement for Transfer of Huaneng Group
      Interest.

2.    To approve the acqusition of 55% interest in Huaneng Hunan Yueyang Power
      Generation Limited Liability Company, 60% interest in Huaneng Chongqing
      Luohuang Power Generation Limited Liability Company and the entire
      assets and liabilities of Huaneng International Power Development
      Corporation Yingkou Branch Company and the Agreement for Transfer of
      HIPDC Interest.

3.    To approve the guarantee arrangments and agreements between Hebei
      Hanfeng Power Generation Limited Liability Company, Jinggangshan Huaneng
      Power Generation Limited Liability Company and China Huaneng Group, and
      subject to the completion of the Acquisition and the transfer of 10%
      interest in Jinggangshan Huaneng Power Generation Limited Liability
      Company held by Jiangxi Province Investment Corporation to the Company,
      the Company's taking up of the existing guarantee of Jinggangshan
      Huaneng Power Generation Limited Liability Company originally provided
      by China Huaneng Group. (Note 1)

4.       To approve the entrusted loan arrangement between Huaneng Hunan
         Yueyang Power Generation Limited Liability Company, Huaneng
         International Power Development Corporation and China Huaneng Finance
         Company; To approve the entrusted loan arrangement in respect of
         Yingkou Power Plant between the Company, Huaneng International Power
         Development Corporation and China Huaneng Finance Company; To approve
         the arrangement between the Conmpany and Huaneng International Power
         Development Corporation regarding the account payables of Yingkou
         Power Plant; and To approve the arrangement regarding the foreign
         loan between Huaneng International Power Development Corporation and
         Huaneng Chongqing Luohuang Power Generation Limited Liability
         Company. (Note 2)

5.       To approve the the loan and deposit arramgement between Jinggangshan
         Huaneng Power Generation Limited Liability Company and China Huaneng
         Finance Company; To approve, subject to the completion of the
         Acquisition and the transfer of 10% interest in Jinggangshan Huaneng
         Power Generation Limited Liability Company held by Jiangxi Province
         Investment Corporation to the Company, the Company's taking up of the
         aforesaid rights and obligations of Jinggangshan Huaneng Power
         Generation Limited Liability Company; To approve the deposit
         arrangement between Huaneng Chongqing Luohuang Power Generation
         Limited Liability Company, Huaneng Hunan Yueyang Power Generation
         Limited Liability Company and China Huaneng Group. (Note 3)

                                                      By Order of the Board
                                                            Huang Long
                                                         Company Secretary

29th April, 2004





Registered address of the Company:
West Wing, Building C,
Tianyin Mansion,
2C Fuxingmennan Street,
Xicheng District,
Beijing 100031,
The People's Republic of China

Notes:

1.       (The terms used hereinafter shall have the same meaning as stated in
         the announcement made by the Company dated 16th April, 2004)

         (i)      Pursuant to the four (loan) guarantee agreements (numbered
                  [98]01, [98]02, [98]03, [99]02 respectively), Hebei Province
                  Power Company provided joint liability guarantee for the
                  loans of an aggregate amount of RMB1,684 million that
                  Hanfeng Power Plant borrowed from China Construction Bank
                  Handan Hanfeng Power Plant Branch between 1996 and 1999.
                  According to the guarantee agreement dated 30th September,
                  2000 and the amendment agreement dated 10th October, 2002
                  between Hebei Province Power Company and the State
                  Development Bank, Hebei Province Power Company provided
                  joint liability guarantee for 42% of the RMB745 million loan
                  that Hanfeng Power Plant borrowed from the State Development
                  Bank (i.e. RMB312.9 million). On 27th November, 2003, China
                  Huaneng Group entered into the Agreement. According to the
                  Approval regarding reorganization and division of power
                  generating assets of China Power Corporation (Jijichu
                  [2002]2704) issued by the former State Development and
                  Planning Commission and other relevant documents, 40% of the
                  interest in the registered capital of Hanfeng Power Plant
                  held by Hebei Province Power Company was transferred to
                  China Huaneng Group. On 27th November, 2003, China Huaneng
                  Group entered into an agreement in relation to the transfer
                  and delivery of Hanfeng Project as part of power system
                  reform with Hebei Province Power Company, pursuant to which,
                  inter alia, the five commercial bank loan guarantee provided
                  by Hebei Province Power Company to Hanfeng Power Plant, with
                  an aggregate guarantee amount of RMB1736.9 million, were to
                  be taken over by China Huaneng Group. As at 31st March, the
                  total outstanding amount of the aforesaid guarantee was
                  RMB1.48430 billion.

         (ii)     Pursuant to the (loan) guarantee agreement dated 24th
                  October, 2000 between China Huaneng Group and China
                  Construction Bank Jian City Branch, China Huaneng Group
                  provided joint liability guarantee for the RMB1,560 million
                  loan borrowed by Jinggangshan Power Plant from China
                  Construction Bank Jian City Branch pursuant to the loan
                  agreement numbered GDZCDK - 2000-519. The outstanding amount
                  of the above guarantee was RMB1.24525 billion as at 31st
                  March, 2004.

         As at 31st March 2004, the outstanding amount of the above guarantee
         transactions in total was RMB2.72955 billion.

2.       (The terms used hereinafter shall have the same meaning as stated in
         the announcement made by the Company dated 16th April, 2004)

         (i)      Pursuant to the contract for incorporation of Huaneng
                  Yueyang Power Generation Limited Liability Company entered
                  into between HIPDC and Hunan Provincial Local Power Assets
                  Management Limited Company in September 2003, the investment
                  of RMB546.97 million originally made by HIPDC into Yueyang
                  Power Plant would be treated as a debt owned by Yueyung
                  Power Plant to HIPDC by entering into entrusted loan
                  arrangement at the time when the conversion of Yueyang Power
                  Plant into a limited liability company from HIPDC's branch
                  company took place. The entrusted loan agreement would be
                  for a term from 30th September, 2003 to 30th September, 2004
                  at the interest rate of 5.31% per annum. As at 31st March,
                  2004, the amount involved was RMB510.86 million.

         (ii)     Pursuant to the loan transfer agreement regarding the mixed
                  term loan by Credit Mutuel Confederation Nationale and
                  Credit Agricole (Chongqing Luohuang Power Plant Project)
                  dated 2nd June, 1988 between HIPDC and the Bank of China,
                  the Bank of China transferred to HIPDC loans with the
                  aggregate amount not exceeding 1,477,085,485 francs (of
                  which approximately 45% being government loan, approximately
                  54% as purchaser credit and approximately 1% being purchaser
                  credit insurance fee loan). The term of the loan was 30
                  years. The interest rate for the government loan was 2% per
                  annum, the purchaser credit interest rate was 7.4% per
                  annum, the rate of the loan transfer fee for the government
                  loan was 0.15% per annum and the rate of the loan transfer
                  fee for the purchaser credit is 0.1%. As at 31st March,
                  2004, the outstanding amount of the above loans is Euro
                  80,979,180 and RMB816.8 million.

         (iii)    Pursuant to the loan transfer agreement regarding the French
                  purchaser credit loan for the project of Huaneng Luohuang
                  Power Plant Phase II dated 28th November, 1995 between HIPDC
                  and the Bank of China, the Bank of China transferred to
                  HIPDC loans with an aggregate amount of USD297,746,666. The
                  term of the loan was 16 years. The first repayment date was
                  21st March, 2000, and there should be 24 instalments of
                  payment in 12 years, with the same amount of repayment being
                  made each half year. The interest rate was 5.95% per annum,
                  the rate of the transfer handling fee was 0.35% per annum.
                  As at 31st March 2004, the outstanding amount of the above
                  loans was US180,896,874 (i.e. RMB1.46730 billion).

         (iv)     According to Yingkou Power Plant's balance sheet as at 31st
                  December 2003 audited by KPMG, Yingkou Power Plant owed to
                  HIPDC a short term payable of RMB1,264,651,910 and a long
                  term loan of RMB614,275,497. According to the Agreement for
                  Transfer of HIPDC Interest, upon completion, the Company
                  should repay the short term payable of RMB1,264,651,910 in
                  full (without interest) to HIPDC within two years from the
                  closing of the acquisition of the HIPDC Interest; while in
                  relation to the RMB614,275,497 long-term loan owed by
                  Yingkou Power Plant to HIPDC, the Company should arrange an
                  entrusted loan arrangement with HIPDC through China Huaneng
                  Finance Company, with a term of 5 years payable by equal
                  instalments annually at an annual interest rate as quoted by
                  The People's Bank of China from time to time.

3.       (The terms used hereinafter shall have the same meaning as stated in
         the announcement made by the Company dated 16th April, 2004)

         (i)      According to the RMB loan agreement entered into between
                  Jinggangshn Power Plant and China Huaneng Finance Company in
                  July 2003, Jinggangshan obtained a loan of RMB20 million
                  from China Huaneng Finance Company for a term from 27th
                  June, 2003 to 27th June, 2004 at a monthly interest rate of
                  3.9825%, which at the time of siging the agreement, lower
                  than the leading rate of The People's Bank of China. As at
                  31st March, 2004, the outstanding loan amount was RMB20
                  million.

         (ii)     As at 31st March, 2004, the deposit of Jinggangshan Power
                  Plant in China Huaneng Finance Company was RMB97.64 million.
                  The interest rate of the above deposit was not lower than
                  the then prevailing bank deposit interest rate.

         (iii)    As at 31st March, 2004, the deposit of Yueyang Power Plant
                  in China Huaneng Finance Company was RMB30.41million. The
                  interest rate of the above deposit was not lower than the
                  then prevailing bank deposit interest rate.

         (iv)     As at 31st March, 2004, the remaining deposit of Luohuang
                  Power Plant in China Huaneng Finance Company was
                  RMB215.02million. The interest rate of the above deposit is
                  not lower than the then prevailing bank deposit interest
                  rate.

         (v)      An entrusted loan agreement to be entered into between
                  HIPDC, China Huaneng Finance Company and Yueyang Power
                  Plant, pursuant to which the entrusted term loan would be
                  for a term from 30th September, 2003 to 30th September, 2004
                  at the interest rate of 5.31% per annum. As at 31st March,
                  2004, the outstanding amount was RMB510.86 million.

         (vi)     An entrusted loan agreement to be entered into between China
                  Huaneng Finance Company, and the Company's Yingkou Power
                  Plant for a term of 5 year (same amount on equal instalment)
                  at a rate same as the heading rate quoted by The People's
                  Bank of China from time to time.

4.       Eligibility for attending the Extraordinary General Meeting

         Holders of the Company's foreign Shares whose names appear on the HK$
         Dividend foreign Shares Register and/or the US$ Dividend foreign
         Shares Register maintained by Hong Kong Registrars Limited and
         holders of domestic shares whose names appear on the domestic shares
         register maintained by the Company at the close of business on 14th
         May, 2004 are eligible to attend the Extraordinary General Meeting.

5.       Proxy

         (i)      A member eligible to attend and vote at the Extraordinary
                  General Meeting is entitled to appoint, in written form, one
                  or more proxies to attend and vote on behalf of him. A proxy
                  needs not be a shareholder.

         (ii)     A proxy should be appointed by a written instrument signed
                  by the appointor or its attorney duly authorised in writing.
                  If the form of proxy is signed by the attorney of the
                  appointor, the power of attorney authorising that attorney
                  to sign or other authorisation document(s) shall be
                  notarised.

         (iii)    To be valid, the power of attorney or other authorisation
                  document(s) which have been notarised together with the
                  completed form of proxy must be delivered, in the case of
                  holders of domestic shares, to the Company and, in the case
                  of holders of foreign Shares, to Hong Kong Registrars
                  Limited, not less than 24 hours before the time designated
                  for holding of the Extraordinary General Meeting.

         (iv)     A proxy may exercise the right to vote by a show of hands or
                  by poll. However, if more than one proxy is appointed by a
                  shareholder, such proxies shall only exercise the right to
                  vote by poll.

6.       Registration procedures for attending the Extraordinary General
         Meeting

         (i)      A shareholder or his proxy shall produce proof of identity
                  when attending the meeting. If a shareholder is a legal
                  person, its legal representative or other persons authorised
                  by the board of directors or other governing body of such
                  shareholder may attend the Extraordinary General Meeting by
                  producing a copy of the resolution of the board of directors
                  or other governing body of such shareholder appointing such
                  persons to attend the meeting.

         (ii)     Holders of foreign Shares and domestic shares intending to
                  attend the Extraordinary General Meeting should return the
                  reply slip for attending the Extraordinary General Meeting
                  to the Company on or before 25th May, 2004.

         (iii)    Shareholders may send the above reply slip to the Company in
                  person, by post or by fax (Attn: The Secretary office of the
                  Board).

7.       Closure of Register of Members

         The register of members of the Company will be closed from 14th May,
         2004 to 14th June, 2004 (both days inclusive).

8.    Other Businesses

         (i)      The Extraordinary General Meeting will not last for more
                  than half day. Shareholders who attend shall bear their own
                  travelling and accommodation expenses.

         (ii)     The address of the share registrar for Foreign Shares of the
                  Company, Hong Kong Registrars Limited is at:

                  1901-5
                  19/F., Hopewell Centre
                  183 Queen's Road East,
                  Hong Kong

         (iii)    The registered address of the Company is at:

                  West Wing, Building C,
                  Tianyin Mansion,
                  2C Fuxingmennan Street,
                  Xicheng District,
                  Beijing 100031,
                  The People's Republic of China

                  Telephone No.: (+86)-10-66491999
                  Facsimile  No.: (+86)-10-66491860

The Board comprises of:

Li Xiaopeng                                       Gao Zongze
(Non-executive director)                          (Independent director)
Wang Xiaosong                                     Zheng Jianchao
(Non-executive director)                          (Independent director)
Ye Daji                                           Qian Zhongwei
(Executive director)                              (Independent director)
Huang Jinkai                                      Xia Donglin
(Non-executive director)                          (Independent director)
Liu Jinlong
(Non-executive director)
Shan Qunying
(Non-executive director)
Yang Shengming
(Non-executive director)
Xu Zujian
(Non-executive director)