A system for charging electric vehicles includes an optimization module configured to construct a charging profile representing a first charging power suitable for being supplied by the charging device in order to charge an electric vehicle, a regulation module for regulating the electric power supplied by the charging device. There is a first mode of operation in which the regulation module applies the charging profile and a second mode of operation in which the device supplies a second charging power. The system further includes a coordination device for communicating with the charging devices, which is suitable for triggering a coordinated optimization phase during which charging devices construct a charging profile from an individual charging data item and for triggering a coordinated regulation phase during which some of the charging devices implement the second mode of operation.