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 July 2018

(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.
Huaneng Building,
6 Fuxingmennei Street,
Xicheng District,
Beijing, 100031 PRC





This Form 6-K consists of:

An announcement regarding issue of mid-term notes of Huaneng Power International, Inc. (the Registrant”), made by the Registrant on July 14, 2018.
 
 
 




Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.



OVERSEAS REGULATORY ANNOUNCEMENT
 
ISSUE OF MID-TERM NOTES

This announcement is made pursuant to Rule 13.10B of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “Listing Rules”).

As resolved at the 2017 annual general meeting of Huaneng Power International, Inc. (the “Company”) held on 3 May 2018, the Company has been given a mandate to issue domestic and/or overseas debt financing instruments (in either one or multiple tranches on a rolling basis) with a principal amount of up to RMB34.3 billion or equivalent in or outside the People’s Republic of China within 24 months from the date on which the shareholders’ approval was obtained. Such instruments shall include but not limited to corporate bonds and enterprise bonds in the domestic market, mid- term notes in the interbank bond market, offshore RMB denominated bonds, overseas USD denominated bonds and bonds denominated in other foreign currencies in the overseas market.

The Company has recently completed the issue of the second tranche of the Company’s mid-term notes for 2018 (the “Mid-Term Notes”). The total issuing amount was RMB2 billion with a maturity period of 3 years whereas the unit face value is RMB100 and the coupon rate is 4.41%.

Bank of China Limited acts as the lead underwriter to form the underwriting syndicate for the Mid- Term Notes, which were placed through book-building and issued in the domestic bond market among banks. The proceeds from the Mid-Term Notes will be used to supplement the working capital of the headquarters of the Company, adjust debts structure and repay the debt financing instruments due.

The relevant documents in respect of the Mid-Term Notes are posted on China Money and Shanghai Clearing House at websites of www.chinamoney.com.cn and www.shclearing.com, respectively.


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The Mid-Term Notes do not constitute any transaction under Chapter 14 and Chapter 14A of the Listing Rules.

 
By Order of the Board
 
Huaneng Power International, Inc.
 
Huang Chaoquan
 
Company Secretary

As at the date of this announcement, the directors of the Company are:

Cao Peixi (Executive Director)
  
Yue Heng (Independent Non-executive Director)
Huang Jian (Non-executive Director)
  
Xu Mengzhou (Independent Non-executive Director)
Wang Yongxiang (Non-executive Director)
  
Liu Jizhen (Independent Non-executive Director)
Mi Dabin (Non-executive Director)
  
Xu Haifeng (Independent Non-executive Director)
Guo Hongbo (Non-executive Director)
  
Zhang Xianzhi (Independent Non-executive Director)
Cheng Heng (Non-executive Director)
    
Lin Chong (Non-executive Director)
    


Beijing, the PRC
14 July 2018



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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 Chaoquan
     
     
     
     
 
Name:  
Huang Chaoquan
     
 
Title:
Company Secretary


Date:     July 16, 2018