Smart Energy Management is the system, which uses communication and control centre for simplifying and upgrading the power system. In this paper, different types of energy management systems are discussed and also analyzed various methodologies adopted for implementation of smart grid. It is observed that the values and difficulties of the systems in the consumer end and distribution end. This paper presents a detailed review of various energy management system techniques with various communications involved and the advanced techniques which are required for the smart grid in future. © Research India Publications.