What’s the cheapest way to charge your EV?
- Written by Hussein Dia, Professor of Transport Technology and Sustainability, Swinburne University of Technology

You’ll pay substantially less to charge an electric vehicle (EV) than if you were refuelling a petrol car to go the same distance.
But what often surprises new EV owners is how much the cost of a charge can vary. Using a smart charger to draw from rooftop solar at home can cost as little as 10 cents per kilowatt-hour —...