This article focus to define and discuss on Energy Management. Energy management includes planning and also operation of energy-related generation and expenditure units. Objectives are resource conservation, climate protection and personal savings, while the users have permanent having access to the energy they require. It is connected tightly to environmental management, generation management, logistics and different established business functions. Energy management can be a term referring to saving energy in businesses, non-public homes, public sector and also government organizations. Specifically, it is the process of monitoring, controlling and conserving energy within a building or institute.