| The power industry, as a fundamental industry in China, has thought much of the safety production while looked down on efficiency and benefits for a long time. In order to enhance its efficiency and competitive ability after the entry into WTO, the power reform of China is processing step by step. In 2002 , the reform of "seperating power plan and grid, selling with competitive cost" was put into execution formally, at the end of the 2002, five power company, two grid company and four company were founded.Based on the internal and external environmental changes and the demand for improving performance rating system in power industry, the thesis researches the performance rating on power enterprise group. The thesis mainly includes five parts: Firstly it presents the research background and realistic meaning , secondly it introduces the basic theories on performance rating, thirdly it discusses the present performance rating model of power industry, then it presents the concret performance rating model of power enterprise group, this is the key points of the thesis, finally it makes a demonstration analysis aimming at some power enterprise group .using the model presented. |