In energy fields, electricity gird is always a significant area to analysis and improve. Recently, with the increasing public concern about clean and renewable energy, and the fast developing technology support, users are more flexible to generate and utilize renewable energy sources(RES) as solar energy, and more active to participate in the energy market. Therefore, instead of solely electricity consumers or suppliers, prosumers, who have the capacity to generate and demand in energy consumption, become common to find in the market. Prosumer community is composed of a number of prosumers who seek for a collaborative benefit, and it is an essential representation of the prosumers activities that gains many attentions.