ITU-T Recommendations

Home area network (HAN) in the smart grids is a premises network of the smart grids. Unlike the traditional HAN, the HAN in the smart grids includes smart grid devices, such as distributed energy resources (DERs), electric vehicle (EV) charger, home energy management system (HEMS), and customer energy display (CED). Customer’s electricity loads and distributed electricity energy resources (DERs) are connected to HAN, so that the customers can turn on or off the loads and DERs based on the information from the utility in order to maximize the efficiency of the electricity usage. HAN is usually connected to the Internet, so the attackers can easily access to a HAN and HAN devices. Thus, the HAN devices should provide the capabilities that prohibit the attackers from compromising the HAN and its devices. The draft Recommendation ITU-T X.sgsec-2 will provide threat analysis of the HAN in the smart grids, security requirements, and security functions. Since the role and functions of each HAN device are different, the security requirements and security functions by devices are provided.