The invention relates to a system for charging electric vehicles. The system comprises charging devices (RECH) comprising an optimisation module configured to build a charging profile representing a first electric charging power suitable for being supplied by the charging device for charging an electric vehicle, and a regulation module for regulating the electric power supplied by the charging device and comprising a first operating mode in which the regulation module applies the charging profile, and a second operating mode in which the device outputs a second electric charging power, a coordination device (COOR) for communicating with the charging devices, the coordination device (COOR) being suitable for triggering a coordinated optimisation phase during which charging devices (RECH) build a charging profile from a piece of individual charging data generated by the corresponding optimisation module and a coordination signal (SIGNi) generated by the coordination device (COOR), and for triggering a coordinated regulation phase during which charging devices (RECH) implement the second operating mode, the second corresponding electric charging power being determined at least from one piece of status data of the electric power supply network determined by the coordination device from measurements representing a status of the network taken during a time interval preceding said instant in question.