As more motorists buy conventional hybrids, plug-in hybrids and pure battery-electric vehicles, questions arise — where will the vehicles be charged and where will all the energy come from?
To reduce the need for a major expansion of the country’s electrical infrastructure, EV owners would need to be encouraged to continue to charge at home, preferably overnight when the electrical demand is generally far lower than during the day.
“A one-for-one match would be a major challenge, according to Pasquale Romano, the President and CEO of Chargepoint, Inc., which claims to operate the world’s largest vehicle charging network. Even a modest-sized station, with six high-speed chargers – capable of “filling up” a battery in under a half-hour – would draw “a couple of megawatts,” said Romano, and would “need an electrical sub-station next door.”
Read more of the original article at The Detroit Bureau.