Liaoning Changtu Laocheng Wind Farm Project Obtains Approval

         Liaoning Changtu Laocheng Wind Farm Project Obtains Approval

PR Newswire

BEIJING, Aug. 15, 2013

BEIJING, Aug. 15, 2013 /PRNewswire/ -- Huaneng Power International, Inc.
("HPI", the "Company") (NYSE: HNP; HKEx: 902; SSE: 600011) announced that
Huaneng Liaoning Changtu Laocheng Wind Farm Project (which is wholly-owned by
the Company) had recently obtained the approval from the Development and
Reform Commission of the Liaoning Province.

This Project has a planned installed capacity of 48MW with an estimated total
investment of RMB364 million. 20% of the investment will be project capital to
be contributed from internal funds of the Company, and the remaining
investment will be funded by bank loan.

About the Company

The Company is one of China's largest listed power producers with controlled
generation capacity of 66,341 MW and equity-based generation capacity of
59,155 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.

For enquiries, please contact:

Huaneng Power International, Inc.
Ms. MENG Jing / Ms. ZHAO Lin
Tel: (8610) 6608 6765 / 6322 6596
Fax: (8610) 6641 2321

Wonderful Sky Financial Group Limited
Ms. Olive Zhang/ Ms. Erica Tao / Mr. Henry Li/Ms. Irene Gao
Tel: (852) 2851 1038
Fax: (852) 2865 1638
Email: / / /

SOURCE Huaneng Power International, Inc.
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