Generation Units of Tongxiang Gas Turbine and Changtu Wind Farm Recently Commenced Operation

BEIJING, Oct. 15, 2014 /PRNewswire/ -- Huaneng Power International Inc. (the "Company") (NYSE: HNP; HKEx: 902; SSE: 600011)announced that two E-class natural gas combined cycle units of Zhejiang Huaneng Tongxiang Gas Turbine Cogeneration Co., Ltd. (in which the Company has 95% of the equity interest), having an aggregate generation capacity of 458.4MW, have recently been put into operation. Meanwhile, Phase II of Liaoning Huaneng Changtu Laocheng Wind Farm (which is wholly owned bythe Company) has also put 24 single units with 2MW each, having an aggregate generation capacity of 48MW, into operation recently.

To date, the Company's total controlled generation capacity has increased to 67,394MW from 66,888MW, and total equity-based generation capacity has increased to 60,667MW from 60,184MW

Additional Information about the Transaction

The Company will file with the Securities and Exchange Commission (the "SEC") a Current Report on Form 6-K regarding the transaction. All parties desiring details regarding the transaction are urged to review these documents, which are available at the SEC's website (http://www.sec.gov).

About Huaneng Power International, Inc.

Huaneng Power International, Inc. is one of China's largest listed power producers with controlled generation capacity of 66,888 MW and equity-based generation capacity of 60,184 MW. 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.

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Huaneng Power International, Inc.

Ms. MENG Jing / Ms. ZHAO Lin 
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SOURCE Huaneng Power International, Inc.

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