New urbanization will become the important engine of China's economic sustainable and healthy development, but also gave us an unavoidable question: accelerating the urbanization development in future how to deal with the challenges of the lack of energy. Regarded to save energy challenges and urbanization development, how to effectively alleviate the pressure of the energy, coordinating economic relations, to ensure a sustained development has become the first challenge of China's future economic and social development. Enter in order to enhance the quality of urbanization in China is given priority to the transformation of the new stage of development in the process, to explore the development of "green city", on the one hand, we need to develop renewable energy, on the other hand, the way we use energy should be more sustainable, i.e. to strengthen the efficient use of energy. In the new energy technology is not yet fully mature ?