High penetration of rooftop PV generation in the distribution network increases the variability of power flows and the frequency of network and hence congestions occurs at various network locations of the network. Congestions have various defects such as it deteriorates network performance, power quality and therefore can lead to a shutdown by the automatic safety systems installed to prevent a total system collapse. Therefore, it is important to study and control the congestion management issues during the high impact of DER’s in a distribution network. In this project is based on practical insight from real world VPP application in the CityZen project (EU FP7). Community Battery Energy Storage along with the Digital Twin will be used to alleviate congestion in LV distribution network.