Abstract.With the further development of the new round of electricity system reform in China, the information disclosure system will become one of the focuses of electricity market construction. First of all, the contents and rules of information disclosure in foreign electricity market are expounded by taking PJM and Nord Pool as examples. Then, the information disclosure situation of China's electricity market is extracted along with introducing the information disclosure mechanism of Yunnan electricity market, in addition, the status quo and disadvantages of the construction of third party information platforms in China are summarized. Finally, the six suggestions for the construction of electricity market information disclosure system in China are proposed.

Abstract. Energy conservation and environmental protection industry is coming into a rapid developing period, there is urgent need to a reasonable assessment of the energy conservation and environmental protection enterprise target value with the scale up and frequencies of M&A activity. This research demonstrates the current situation of energy conservation and environmental protection industry in China, and analysis the application of EVA enterprise evaluation method in energy conservation and environmental protection industry. This research takes Beijing Sanju Environmental Protection & New Materials Company for example to assess the enterprise value, and compares with market capitalization, so it is effective and feasible to use EVA system in energy conservation and environmental protection enterprise value evaluation. Finally, the article points out the suggestion of application in energy conservation and environmental protection enterprise value evaluation based on

Abstract. Based on the theory of information efficient market in information economics and institutional economics, we analyze the importance of perfect and effective information disclosure mechanism to the power market. We sum up the current situation and existing problems of information disclosure of the power market in China. Based on the new round of electricity reform results, the ideas and suggestions for the construction of information disclosure mechanism of China's electricity market will be put forward.