Research on coordinating development evaluation of energy-economy-environment system of Hebei Province

The article builds the coordinating development evaluation index system of energy-economy-environment (3E) which shows for hierarchical structural composed of 44 indexes based on investigation of energy, economic and environmental of Hebei Province, and uses Principal Component Analysis method to calculate the comprehensive development level index of each model; on this basis, it calculates the 3E system coordinating degree by building up Membership Function model. The result shows that Hebei Province´ 3E system is compared coordinating status, but the contradiction is standing out in some year and some subsystem, which provides theoretical basis and date support for Hebei Province in formulating sustainable development policy of overall consideration.