Announcement on Power Generation for the 1Q of ...

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong
Limited take no responsibility for the contents of this announcement, make no
representation as to its accuracy or completeness and expressly disclaim any
liability whatsoever for any loss howsoever arising from or in reliance upon
the whole or any part of the contents of this announcement.

                                                                               
   (a sino-foreign joint stock limited company incorporated in the People's    
                     Republic of China)(Stock Code: 00991)                     

                       Overseas Regulatory Announcement                        

                       Announcement on Power Generation                        

                         for the First Quarter of 2012                         

Special Notice:

The board of directors (the "Board") and all directors (the "Directors") of the
Company warrant that there are no false representations and misleading
statements contained in, or material omissions from this announcement, and
severally and jointly accept the responsibility for the truthfulness, accuracy
and completeness of the contents of this announcement.

This announcement is made pursuant to Rule 13.09(2) of the Rules Governing the
Listing of Securities on The Stock Exchange of Hong Kong Limited.

Datang International Power Generation Co., Ltd. (the "Company") announces that,
based on the Company's preliminary statistics, as of 31 March 2012, total power
generation of the Company and its subsidiaries (the "Group") amounted to
48.2555 billion kWh, representing an increase of approximately 4.83% when
compared to the corresponding period of the previous year. Total on-grid power
generation of the Group amounted to 45.5071 billion kWh, representing an
increase of approximately 4.93% when compared to the corresponding period of
the previous year. The increase in power generation of the Group was mainly
attributable to an increase in capacity of the operational generating units of
the Group and an increase in average utilization hours of the Group's
coal-fired power generation units.

Details of the power generation of the Group for the first quarter of 2012 were
as follows

(Unit: billion kWh):

Power plant/company                     Power           Power         Growth  
                                     generation      generation               
                                    for the first   for the first      (%)    
                                    quarter of 20    quarter of               
                                         12             2011                  
                                                                              
                                    (billion kWh)   (billion kWh)             
                                                                              
Gao Jing Thermal Power Plant               1.0520          0.9976         5.45
                                                                              
Dou He Power Plant                         2.0276          2.0081         0.97
                                                                              
Xia Hua Yuan Power Plant                   0.3536          0.3388         4.37
                                                                              
Zhang Jia Kou Power Plant                  3.4040          3.1089         9.49
                                                                              
Tianjin Datang International               1.6960          1.6345         3.76
Panshan Power Generation Company                                              
Limited                                                                       
                                                                              
Inner Mongolia Datang International        4.6389          4.3231         7.30
Tuoketuo Power Generation Company                                             
Limited                                                                       
                                                                              
Shanxi Datang International Yungang        1.7870          1.6570         7.85
Thermal Power Company Limited                                                 
                                                                              
Hebei Datang International Tangshan        0.9906          0.9002        10.04
Thermal Power Company Limited                                                 
                                                                              
Shanxi Datang International Shentou        1.3649          1.3623         0.19
Power Generation Company Limited                                              
                                                                              
Gansu Datang International                 0.9960          0.7284        36.74
Liancheng Power Generation Company                                            
Limited                                                                       
                                                                              
Hebei Datang International Wangtan         1.6579          1.7079        -2.93
Power Generation Company Limited                                              
                                                                              
Zhejiang Datang International              3.1656          2.6174        20.94
Wushashan Power Generation Company                                            
Limited                                                                       
                                                                              
Guangdong Datang International             4.9970          4.0202        24.30
Chaozhou Power Generation Company                                             
Limited                                                                       
                                                                              
Fujian Datang International Ningde         2.2765          3.7941       -40.00
Power Generation Company Limited                                              
                                                                              
Yunnan Datang International                1.7441          1.9692       -11.43
Electric Power Generation Company                                             
Limited                                                                       
                                                                              
Jiangxi Datang International Xinyu         0.4969          0.5219        -4.79
Power Generation Company Limited                                              
                                                                              
Shanxi Datang International                1.1813          1.6683       -29.19
Yuncheng Power Generation Company                                             
Limited                                                                       
                                                                              
Inner Mongolia Datang International        0.5649          0.5005        12.87
Hohhot Thermal Power Generation                                               
Company Limited                                                               
                                                                              
Chongqing Datang International             0.6399          0.9325       -31.38
Pengshui Hydropower Development                                               
Company Limited                                                               
                                                                              
Inner Mongolia Datang International           161             928       -82.65
Duolun Hydropower Multiple                                                    
Development Company Limited                 (MWh)           (MWh)             
                                                                              
Qinghai Datang International               0.1304          0.1375        -5.16
Zhiganglaka Hydropower Generation                                             
Development Company Limited                                                   
                                                                              
Inner Mongolia Datang International        0.0770          0.0339       127.14
Wind Power Development Company                                                
Limited                                                                       
                                                                              
Inner Mongolia Datang International        1.6167          1.6731        -3.37
Tuoketuo No.2 Power Generation                                                
Company Limited                                                               
                                                                              
Liaoning Datang International              0.9239          0.8312        11.15
Jinzhou Thermal Power Generation                                              
Company Limited                                                               
                                                                              
Shanxi Datang International Zuoyun         0.0848          0.0834         1.68
Wind Power Company Limited                                                    
                                                                              
Hebei Datang International Fengrun         0.9474          0.9328         1.57
Thermal Power Company Limited                                                 
                                                                              
Ningxia Datang International Daba          2.1812          1.7674        23.41
Power Generation Company Limited                                              
                                                                              
Hebei Datang International                 0.9071          0.8297         9.33
Zhangjiakou Thermal Power                                                     
Generation Company Limited                                                    
                                                                              
Qian'an Datang Thermal Power               0.3285          0.3051         7.67
Generation Company Limited                                                    
                                                                              
Liaoning Datang International Wind         0.1341          0.0511       162.43
Power Development Company Limited                                             
                                                                              
Fujian Datang International Wind           0.0610          0.0703       -13.23
Power Development Company Limited                                             
                                                                              
Jiangsu Datang International               3.9869          3.8017         4.87
Lvsigang Power Generation Company                                             
Limited                                                                       
                                                                              
Yuneng (Group) Company Limited             0.1235          0.1063        16.18
                                                                              
Chongqing Datang International             0.0106          0.0209       -49.28
Wulong Xingshun Wind Power Company                                            
Limited                                                                       
                                                                              
Shanxi Datang International Linfen         1.0414          0.5938        75.38
Thermal Power Company Limited                                                 
                                                                              
Ningxia Datang International               0.0100          0.0036       177.78      
Qingtongxia Photovoltaic Power                                         
Generation Limited                                                            
                                                                              
Chongqing Datang International             0.2663             Not          Not
Wulong Hydropower Development                          Applicable   Applicable
Company Limited                                                     
                                                                              
Chengdu Liguo Energy Company               0.0394             Not          Not
Limited                                                Applicable   Applicable
                                                                    
                                                                              
Hebei Datang International Wind            0.1615             Not          Not
Power Development Company Limited                      Applicable   Applicable
                                                                    
                                                                              
Shenzhen Datang Baochang Gas Power         0.1891             Not          Not
Generation Company Limited                             Applicable   Applicable                    
                                                       
                                                                              
Total                                     48.2555         46.0327         4.83


                                                          
                                                          By Order of the Board

                                                                      Zhou Gang

                                                         Secretary to the Board

Beijing, the PRC, 16 April 2012

As at the date of this announcement, the Directors of the Company are:
Liu Shunda , Hu Shengmu, Cao Jingshan, Fang Qinghai, Zhou Gang, Liu Haixia, 
Guan Tiangang, Su Tiegang,

Ye Yonghui, Li Gengsheng, Li Yanmeng*, Zhao Zunlian*, Li Hengyuan*, Zhao Jie*
and Jiang Guohua** Independent non-executive Directors

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