Announcement on Power Generation of 2010

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.

                 DATANG INTERNATIONAL POWER GENERATION CO., LTD.  
   (a sino-foreign joint stock limited company incorporated in the People's    
                      Republic of China)(Stock Code: 991)                      

                       Overseas Regulatory Announcement                        

                   Announcement on Power Generation of 2010                    

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 December 2010, total 
power generation of the Company and its subsidiaries (the "Group") amounted to
178.4781 billion kWh, representing an increase of 25.81% when compared to the
corresponding period of the previous year. Total on-grid power generation of the
Group amounted to 168.2278 billion kWh, representing an increase of 25.96% when
compared to the corresponding period of the previous year.

The significant increase in power generation of the Group for 2010 over the
corresponding period of the previous year was mainly attributable to an
increase in capacity of the operational generating units of the Group and an
increase in the demand for electricity in service areas of the Group.

Details of the power generation of the Group for 2010 were as follows:

Power plant/company                         Power           Power                  
                                       generation      generation        Growth  
                                              for             for       
                                             2010            2009          
                                         (billion        (billion           (%) 
                                             kWh)            kWh)       
                                        ---------       ---------     ---------
Gao Jing Thermal Power Plant               3.3028          3.1945          3.39
                                                                               
Dou He Power Plant                         8.5385          8.2054          4.06
                                                                               
Xia Hua Yuan Power Plant                   0.9419          1.2447        -24.33
                                                                               
Zhang Jia Kou Power Plant                 12.9366         13.1263         -1.45
                                                                               
Tianjin Datang International Panshan       6.5511          6.2899          4.15
  Power Generation Company Limited                                               
                                                                               
Inner Mongolia Datang International       19.9318         19.6465          1.45
  Tuoketuo Power Generation Company                                              
  Limited                                                                        
                                                                               
Shanxi Datang International Yungang        6.2036          5.1893         19.55
  Thermal Power Company Limited                                                  
                                                                               
Hebei Datang International Tangshan        3.4318          3.5539         -3.44
  Thermal Power Company Limited                                              
                                                                               
Shanxi Datang International Shentou        5.4097          5.0599          6.91
  Power Generation Company Limited                                               
                                                                               
Gansu Datang International Liancheng       2.7370          3.1432        -12.92
  Power Generation Company Limited                                               
                                                                               
Hebei Datang International Wangtan         6.4098          6.9618         -7.93
  Power Generation Company Limited                                               
                                                                               
Zhejiang Datang International             14.1528         13.8074          2.50
  Wushashan Power Generation Company                                             
  Limited                                                                        
                                                                               
Guangdong Datang International            11.9167          6.7065         77.69
  Chaozhou Power Generation Company                                              
  Limited                                                                        
                                                                               
Fujian Datang International Ningde        10.6818          9.9782          7.05
  Power Generation Company Limited                                               
                                                                               
Yunnan Datang International Electric       9.2560          7.7307         19.73
  Power Generation Company Limited                                               
                                                                               
Jiangxi Datang International Xinyu         1.8776          1.9310         -2.77
  Power Generation Company Limited                                               
                                                                               
Shanxi Datang International Yuncheng       6.7317          6.1692          9.12
  Power Generation Company Limited                                               
                                                                               
Inner Mongolia Datang International        2.9566          0.9225        220.50
  Hohhot Thermal Power Generation                                                
  Company Limited                                                                
                                                                               
Chongqing Datang International             4.8680          4.4706          8.89
  Pengshui Hydropower Development                                                
  Company Limited                                                                
                                                                               
Inner Mongolia Datang International        0.0040          0.0053        -24.53
  Duolun Hydropower Multiple                                                     
  Development Company Limited                                                    
                                                                               
Qinghai Datang International               0.7043          0.6646          5.97
  Zhiganglaka Hydropower Generation                                              
  Development Company Limited                              
                                                                               
Hebei Datang International Huaze           0.0190          0.0163         16.56
  Hydropower Development Company                                                 
  Limited                                                                        
                                                                               
Inner Mongolia Datang International        0.1789          0.0916         95.31
  Windpower Development Company                                                  
  Limited                                                                        
                                                                               
Inner Mongolia Datang International        6.6787          6.5856          1.41
  Tuoketuo No.2 Power Generation                                                 
  Company Limited                                                                
                                                                               
Liaoning Datang International              3.3625          2.0676         62.63
  Jinzhou Thermal Power Generation                                               
  Company Limited                                                                
                                                                               
Shanxi Datang International Zuoyun         0.2037          0.1297         57.05
  Wind Power Company Limited                                                     
                                                                               
Hebei Datang International Fengrun         3.4727          0.7983        335.01
  Thermal Power Company Limited                                                  
                                                                               
Ningxia Datang International Daba          7.7431          2.7701        179.52
  Power Generation Company Limited                                               
                                                                               
Hebei Datang International                 3.0803          0.1319      2,235.33
  Zhangjiakou Thermal Power Generation                                           
  Company Limited                                                                
                                                                               
Qian'an Datang Thermal Power               1.1305          1.0038         12.62
  Generation Company Limited                                                     
                                                                               
Liaoning Datang International Wind         0.2113          0.0859        145.98
  Power Development Company Limited                                              
                                                                               
Fujian Datang International Wind           0.1662          0.1863        -10.79
  Power Development Company Limited                                              
                                                                               
Jiangsu Datang International              11.9674             Not           Not
  Lvsigang Power Generation Company                    Applicable    Applicable
  Limited                                                                        
                                                                               
Yuneng (Group) Company Limited             0.7058             Not           Not
                                                       Applicable    Applicable
                                                                               
Chongqing Datang International             0.0139             Not           Not
  Wulong Xingshun Wind Power Company                   Applicable    Applicable
  Limited                                                                        
                                        ---------       ---------     ---------
Total                                    178.4781        141.8685         25.81
                                        ---------       ---------     ---------


                                                          By Order of the Board 

                                                                Zhou Gang

                                                         Secretary to the Board

Beijing, the PRC, 19 January 2011

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*, Jiang Guohua*

* Independent non-executive Directors