[This Form 6-K consists of: (a Sino-foreign joint stock limited company incorporated in the People’s Republic of China) (Stock Code: 902) ISSUE OF SUPER SHORT-TERM DEBENTURES As resolved at the 2012 annual general meeting of Huaneng Power International, Inc. (the “Company”) held on 19 June 2013, the Company has been given a mandate to issue super short-term debentures (in either]