Energy Consumption Reduction Decomposition Model Based on Input-Output Analysis and Comprehensive Evaluation

According to the input-output table and energy consolidated balance sheet of 2002 and 2007, compiled physical-value energy input-output table of six major departments and then analyzed direct energy consumption index and completely energy consumption index of Jiangsu province. Using index decomposition method and SDA method, analyzed influence of changes in technical efficiency and structure on the energy consumption intensity fluctuation respectively from the whole and each department, conducted comprehensive evaluation index to comprehensively evaluate and analyze six major departments in Jiangsu province, so as to find out the main cause of the energy consumption intensity changes in Jiangsu province, and then according to the energy consumption reduction target in the “12th Five-Year” plan, we put forward relevant countermeasures：adhere to structure, technology and management energy saving carrying out together, put the industry as the main attack direction of energy saving and encourage and support enterprises to increase investment in science and technology.