Huaneng Power International, Inc. Unit 6 of Shangan Power Plant Commenced Commercial...

Huaneng Power International, Inc. Unit 6 of Shangan Power Plant Commenced
Commercial Operation

BEIJING, Sept. 2 /Xinhua-PRNewswire-Firstcall/ -- Huaneng Power
International, Inc. (the "Company") (NYSE: HNP; HKEx: 902; SSE: 600011)
announced that a 600MW supercritical air-cooling coal-fired generating unit
(Unit 6) of the Phase III Project at Huaneng Shangan Power Plant, which is
wholly owned by the Company, has obtained the approvals from the relevant
authorities recently and commenced commercial operation on 1 August 2008. To
date, the Company's total generation capacity on an equity basis has increased
from 36,993MW to 37,593MW.
(Logo: http://www.xprn.com/xprn/sa/200705141256.JPG )
Huaneng Power International, Inc. has a total generation capacity of
37,593MW on an equity basis and a controlling installed generation capacity of
40,989MW. The Company wholly owns sixteen operating power plants, an operating
power company, and has controlling interests in thirteen operating power
companies and minority interests in five operating power companies. Currently,
it is one of the largest listed power producers in China.
For enquiries, please contact:

Ms. Meng Jing or Ms. Zhao Lin
Huaneng Power International, Inc.
Tel: +86-10-6649-1856 or +86-10-6649-1866
Fax: +86-10-6649-1860
Email: zqb@hpi.com.cn

Ms. Carrie Lam or Mr. Karl Cheung
Rikes Hill & Knowlton Limited
Tel: +852-2520-2201
Fax: +852-2520-2241

SOURCE Huaneng Power International, Inc.

Ms. Meng Jing or Ms. Zhao Lin of Huaneng Power International, Inc.,
+86-10-6649-1856 or +86-10-6649-1866, fax +86-10-6649-1860, zqb@hpi.com.cn;
Ms. Carrie Lam or Mr. Karl Cheung of Rikes Hill & Knowlton, +852-2520-2201,
fax +852-2520-2241, for Huaneng Power International, Inc.