October 20, 1989

The Ministry of Energy issued the document on founding of Ertan Hydropower Development Company.
    

September 14, 1991

Commencement of the construction of Ertan Hydroelectric Project ¨C the first project developed on the Yalong River.
    

February 10, 1995

Pursuant to the Company Law, Ertan Hydropower Development Company was restructured into a limited-liability company, with the name changed to Ertan Hydropower Development Company, Ltd.
    

October 18, 1996

Ertan Hydropower Plant, EHDC¡¯s organization for operation and management of Ertan Power Station, was established.
    

End of 2000

Construction of Ertan Project fully completed.
    

Aug 02 ¨C Feb 03

Internal reform in preparation of future development.
    

October 20, 2003

National Development and Reform Commission issued a document which authorizes EHDC to be fully responsible for development of the hydro-energy resources by building and running the cascade projects on the Yalong River.
   

November, 2003

The High-level Forum on Development of the Yalong River Valley was held in Chengdu.
    

December, 2003

Project Proposal for Jinping-I Hydropower Project was approved by National Development and Reform Commission.
    

November 12, 2005

Upon sanction by the Central Government, construction of Jinping-I Hydropower Project was officially commenced.