Cars are sat idle around 90% of the time on average, so what if you could put the (very expensive) battery in electric cars to work during those down-times?
Indra has been doing exactly, first with a trial proving that using EVs as mini power stations in times of energy shortfalls can be profitable for all, and now with a second trial about to start demonstrating how you could use your EV to balance your energy needs, for example drawing cheap energy at night to power your house during the day.
