Off-grid EV charging stations to reduce the impact of charging demand on the electricity grid

Abstract

The paper presents the feasibility study of an off-grid Electric Vehicle (EV) charging station as a potential solution to the strain on the electricity grid. The standalone system is sized to be installed on a standard home carport and aims to provide enough daily power to support one EV. Powered by only renewable energy sources and with a high-capacity storage battery the proposed charging station provides energy to the EV with zero emissions. Utilising photovoltaic (PV) panels and a single wind turbine for power generation the hybrid renewable energy system comprises of the high-quality components and the EV charging station is designed for a 25-year lifespan. Multiple configurations of the charging station system are designed and simulated in HOMER software. The simulation results are conducted to prove if the system is a realistic option for installation in a residential application.