A method for recharging an electric storage battery in the charging system
of an electric vehicle from an electric utility power grid includes
determining the length of time required to recharge the battery,
determining the desired time when the recharge is to be completed,
transmitting to the electric power utility the length of time required to
recharge the battery and the desired time, and recharging the battery
from the utility grid during a period when projected load demand is lower
than peak demand and ending no later than the desired time.