With the improvement of environmental requirements, promoting renewable energy consumption has become a key. From the energy policy coordination point, this paper defined the concept of energy policy, and took price policy as center to design the synergy mechanism of carbon emissions trading, carbon tax, subsidy policy, price policy based on principles of departments collaboration, market dominant and orderly progress. The mechanism will make environmental benefits internalization of renewable energy, and gradually straighten out the energy prices mechanism, and provide a reference for setting renewable energy consumptive policy. [ABSTRACT FROM AUTHOR]