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Recently, the efficiency of electrical energy is one of wide challenges in the world. The needed energy is very huge, meanwhile the sources of energy are limited. Many researchers try to find solutions for increasing the energy efficiency, one of ways is to monitoring the use of the energy easily so we can reduce of the energy usage. This paper proposes a system for monitoring energy usage by using Internet of Thing. Such system is called as Energy IoT based Database Management System. Every building is supplied by unit 2 transformator which will collect data of the used energy by using smart energy meter. It uses General Package Radio Service (GPRS) for sending the data from every building that is supplied by unit 2 transformator, unit 2 outgoing transformator, and displaying the received data on a web page. The collected data will be used for analysis of power quality and load controlling.