[This Form 6-K consists of: LIAONING XIANRENDAO CO-GENERATION AND JIANGSU LIUHE WIND FARM PROJECTS OBTAINED APPROVAL Huaneng Power International Inc. (the “Company”) announced that Liaoning Huaneng Yingkou Xianrendao Co-generation Project and Jiangsu Huaneng Liuhe Wind Farm Project, both of which are wholly owned by the Company, have obtained the approval from the Development and Reform Commission of Liaoning Province and]

[This Form 6-K consists of: POWER GENERATION WITHIN CHINA INCREASES BY 4.98% IN 2013 Huaneng Power International, Inc. (the “Company”) announces its power generation in 2013. billion kWh, representing According to the Company’s preliminary statistics, as of 31 December 2013, the Company’s total power generation by the power plants within China on consolidated basis amounted to 317.481 1. The stable]

[This Form 6-K consists of: 1. 2. CONTINUING CONNECTED TRANSACTIONS HUANENG GROUP FRAMEWORK AGREEMENT - 1 -]

[This Form 6-K consists of: ISSUE OF SUPER SHORT-TERM DEBENTURES " " ’ As resolved at the 2012 annual general meeting of Huaneng Power International, Inc. (the ’ The Company has recently completed the issue of the fourth tranche of the Company The Bank of China Limited and Industrial and Commercial Bank of China Limited act as the joint lead]

[This Form 6-K consists of: HUBEI SUI XIAN JIESHAN WIND FARM PROJECT OBTAINED APPROVAL " Huaneng Power International Inc. (the Jieshan Wind Farm Project has a planned installed capacity of 48MW with an estimated total investment of RMB428 million. 20% of the investment will be project capital to be contributed by the Company from its internal funds while the remaining]