In recent years, issues relating to Chinese energy supply and consumption have drawn worldwide attention. The Chinese government maintains that the solution to energy demand issues should be resolved by improving domestic supply; but the regional availability of energy is irregular across China....

In recent years, issues relating to Chinese energy supply and consumption have drawn worldwide attention. The Chinese government maintains that the solution to energy demand issues should be resolved by improving domestic supply; but the regional availability of energy is irregular across China....

In the system of sustainable development, the energy is the base, the economy is the core, and it is the key to ensuring the harmonious development between the energy system and the economic system. In this paper, using the principal component analysis method, the complex development index and...