Managing electrical charging of vehicles with charging devices related to users demand and available power. One system comprises charging points comprising sockets and a communication module, and a mediator server comprising a database, an application and a graphical user interface. The mediator server is connected to the charging points, to the users and to public utilities and electricity providers. Each charging point is arranged to admit vehicles, couple their charging device to the socket and send vehicle data to the mediator server. The mediator server is arranged to process the vehicle data, user data, and data from the public utilities and the electricity providers, and calculate a vehicle priority and a charging allotment in relation to the number of vehicles at the charging point and to the processed data. Vehicles are charged according to the vehicle priority and the charging allotment.