HNP [HUANENG POWER INTERNATIONAL] 6-K: This Form 6-K consists of: HUANENG POWER INTERNATIONAL,
[This Form 6-K consists of: HUANENG POWER INTERNATIONAL, INC. FILES 2016 ANNUAL REPORT ON FORM 20-F www.sec.gov The Company has posted the 2016 Annual Report on its website at www.hpi.com.cn. The 2016 Annual Report can also be accessed electronically at About the Company Huaneng Power International, ]