Energy Sharing Strategy in Green Communities Considering Carbon Credit and Power Traceability
Under the environment of energy sharing between prosumers in power distribution systems,unified pricing and transaction bring challenges to clarify additional environmental value of heterogeneous electricity.This is not conducive to a low-carbon transition of end-prosumers and the sustainable development of distributed renewable energy.Therefore,an energy sharing strategy for a green community,which considers carbon credit and power traceability,is proposed.Carbon credit is used to monetize environmental cost of heterogeneous electricity and circulate together with it in the community.With the objective of minimizing the energy and carbon credit cost of all prosumers in the community,an electricity-carbon credit joint clearing model is established,and a traceability-based pricing method for heterogeneous electricity is proposed to encourage prosumers to conduct their energy management in a low-carbon way.Using alternating direction method of multipliers,the proposed model is solved in a distributed manner via limited information exchange,thus realizing a distributed energy management of the green community.The results of the case studies verify the effectiveness of the proposed strategy both in reducing the total energy cost of the green community and promoting the green substitution in terminal energy consumption.
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