So far, centralised power generation has been based on fossil fuels and nuclear energy. The system is already switching to largely decentralised generation using renewable energy. Electricity distributed throughout the country from renewable generation facilities must be fed into the network. The challenge is that it is mainly fed into other voltage levels and is volatile.
Through “sector coupling”, areas such as mobility (e.g. electric cars) and heat (e.g. heat pumps) are increasingly being electrified. As a result, the power demand is rising sharply. Temporally limited peaks in power demand are also called load peaks. These load peaks represent a major challenge for power distribution networks. If electric cars are charged while heating systems are turned up during the winter, this can exceed the thermal load capacity of the distribution networks.