[This Form 6-K consists of: 2. an announcement regarding connected transactions in respect of acquisition of fuel company interest and capital increase in fuel company; CONTINUING CONNECTED TRANSACTIONS HUANENG GROUP FRAMEWORK AGREEMENT EXTRAORDINARY GENERAL MEETING The Company proposes to convene an extraordinary general meeting in March 2013 to table the relevant resolutions for obtaining the approval from the Independent Shareholders]

[This Form 6-K consists of: CONSTRUCTION PROJECT AT PHASE I OF CHANGTU TAIPING WIND FARM RECENTLY COMPLETED TRIAL RUN " Huaneng Power International Inc. (the ’ To date, the Company By Order of the Board Huaneng Power International, Inc. Du Daming Company Secretary]

[FORM 6-K Form 20-F X Form 40-F Yes No X N/A Huaneng Power International, Inc. Huaneng Building, 6 Fuxingmennei Street, Xicheng District, Beijing, 100031 PRC This Form 6-K consists of: ISSUE OF SHORT-TERM NOTES As resolved at the 2011 annual general meeting of Huaneng Power International, Inc. (the “Company”) held on 12 June 2012, the Company has been given a]

[This Form 6-K consists of: 2 ISSUE OF SHORT-TERM NOTES As resolved at the 2011 annual general meeting of Huaneng Power International, Inc. (the "Company") held on 12 June 2012, the Company has been given a mandate to issue within the PRC short-term notes of a principal amount not exceeding RMB15 billion (in either one or multiple tranches) within 12]

[This Form 6-K consists of: 1. ); and 2. Document 1]

[This Form 6-K consists of: An announcement regarding the power generation within China during the first three quarters of 2012 by Document 1 POWER GENERATION WITHIN CHINA DECREASES BY 5.40% FOR THE FIRST THREE QUARTERS OF 2012 Huaneng Power International, Inc. (the “Company”) announced its power generation for the first three quarters of 2012. According to the Company’s preliminary statistics,]