In 2007，Electric power consumption increased dramatically，supply remained stable，and supply and demand kept at balance. Meanwhile，power sources structure was improved gradually，power network developed rapidly，and energy conservation and less discharge were steadily pushed forward. Generally，the social and economic benefits of electric have been gradually improved. Presently，our country’s electric power is highly synchronic with economic performance so that industrial fluctuation is closely related to the overall tendency of the economy. The electric power industry faces multi-aspect pressures，such as environment and energy resources. There are also some periodical and profound problems in the operation. How to deal with these problems successfully is crucial to supply the stable，reliable，efficient，economical and clean electric power，which promotes the economy，society，and environment in harmonious development. According to this，the article argues the problems of the diversification of electricity investment market.