In recent years, the introduction of electric vehicles (EV) has been promoted for the purpose of reducing carbon dioxide emissions. However, since EV and EV infrastructure are not familiarized, it is impeding the introduction of EV. In this research, an EV charging station attached to a convenience store is proposed. The effectiveness of the business model of the EV charging station that sells to general low pressure customers by cooperating among multiple EV charging stations has been shown. Simulation results show that profits are obtained in both case with and without cooperation, the sum of profits becomes larger in the case of cooperation, and the effectiveness of the proposed business model is confirmed.