This invention concerns a method to manage a local low-voltage electrical power grid, wherein each building (B) connected to said grid comprises a building power management system (BPMS) which . is monitoring and controlling the power flows within the cons...

The system has a measurement device (2) that is placed in immediate upstream of a group of modular electrical appliances. A measurement unit (3) is arranged for measuring current consumed by the group of modular electrical appliances e.g. heater. Another m...