In this paper,the author introduces the research background first, and then collected a number of existing research results. Then the existing research results collate and analyze the research results have been obtained shortcomings: First, existing research does not lead to uniform and effective capital cost estimation model; Secondly, the existing research on the cost of capital Factors Affecting the lack of depth. Therefore, the author considered these two aspects of the right to carry out an in-depth research to further improve and develop the theory of capital costs. This paper proposes to China's power companies to reduce the cost of capital to provide a reliable method and means for the rapid development of China's power industry provides a reference basis for the purpose of reaching topics of the author. |