Impacts of EV charging on business premises: A case study of the university of Queensland

Proliferation of electric vehicles (EVs) will engender additional loads on electric grids. As EVs will be parked in large numbers for long time at business locations such as universities, shopping malls, offices etc., electric grids of these business locations can be affected. Thus, this paper analyzes impacts as such on business premises, whose diurnal distributions of number of arrival and departure of vehicles are known. A statistical EV load model has been derived and an innovative probabilistic impact index (II) has been defined for better visualization of the impact. The analysis has been carried out for different EV load penetration levels, charging rates and market shares of different vehicles etc. The developed methodology for this analysis will help carryout future planning and operational exercises to reduce any adverse impacts of EV charging on grids.