Simulation and analysis of renewable energy resource integration for electric vehicle charging stations in Thailand

This paper presents simulation results and analysis of renewable energy system integration to supplying EV charging stations using Provincial Electricity Authority (PEA) head office located in Bangkok, the capital territory of Thailand. This study has incorporated three types of renewable energy resources, i.e. solar, wind and energy storage. The MERIT™ program is being used in this study to simulate the system performance. However, relevant system data and other parameters, i.e. energy matching (%) between power demand and power supplied from renewable energy resources, capital cost (£) incurred in building renewable energy system, the amount of surplus and deficit (kWh), are also brought into consideration. This work also targeted to devise the annual proportion of three size cases of EVs available in market today - small, medium and large, respectively. On comparing the simulation results with real electricity generating situations, it is envisaged that the obtained solutions being employed to improve performance of a completely installed renewable energy system integrated into EV charging stations, located at PEA head office, are expected to alleviate the electricity use of the grid and meet the charging demand of EV's in the long term