BEIJING, Feb. 6, 2012 /PRNewswire-Asia/ -- Huaneng Power International, Inc. ("HPI", the "Company") (NYSE: HNP; HKEx:902; SSE:600011) announced today that one 600MW coal-fired generating unit (Unit 2) of Shanxi Huaneng Zuoquan Power Plant (of which the Company owns 80% equity interest) has completed a trial run recently. Phase I of Huaneng's Jiuquan Wind Power Project (which is located in Gansu Province and wholly owned by the Company) with a total generation capacity of 501.5MW had also completed a trial run at the end of 2011. In aggregate, the above increased the Company's controlled generation capacity and equity-based generation capacity by 1,101.5MW and 981.5MW, respectively. Accordingly, the Company's total controlled generation capacity has increased from 57,977MW to 59,078.5MW, and total equity-based generation capacity has increased from 53,185.9MW to 54,167.4MW. About the Company The Company is one of China's largest listed power producers with controlled generation capacity of 59,078.5MW and equity-based generation capacity of 54,167.4MW. The power plants of the Company are located in 19 provinces, municipalities and autonomous regions in China. The Company also has a wholly-owned power company in Singapore. For enquiries, please contact: Huaneng Power International, Inc.Ms. MENG Jing / Ms. ZHAO LinTel: +86-10-6608-6765 / +86-10-6322-6596Fax: +86-10-6641-2321Email: email@example.comWonderful Sky Financial Group LimitedMr. Hon Fung / Ms. Yolanda Wang / Mr. Tony Chen / Ms. Sharon LauTel: +852-2851-1038Fax: +852-2865-1638Email: firstname.lastname@example.org / email@example.com / firstname.lastname@example.org / email@example.com SOURCE Huaneng Power International, Inc.