At present, the clean and low-carbon energy has become the development trend of all countries. Especially in China, the coal based energy structure not only guarantees the social and economic development of the country, but also causes serious ecological damage, so the energy transformation is imminent. The development of renewable energy is an important choice for energy transformation. This paper uses mathematical model to calculate the overall development trend of China's energy, and then

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... s diamond model to analyze the macro environment for renewable energy industry, to clarify the basis and challenges for renewable energy industry, so as to provide reference for the formulation of macro policies and industrial.