Internet of Things is an ecosystem of devices that are capable of detecting, processing and communicating with the Internet. Recently, the Internet of Things applications that make our business and social life easier are spreading rapidly. In this study, a software controlled smart plug equipped with the Internet of Things technologies for energy management of electrical appliances is presented. The usage of the presented smart plug provides many benefits for users such as on-off control over the internet, real-time and past monitoring of energy consumption, awareness of planned electrical outages, overcurrent protection defitinition as software etc.. Generally, the implemented system consists of smart socket including Wemos D1 microcontroller equipped with ESP8266 Wi-Fi module, ACS712 current sensor and role, mobile application and Firebase cloud platform.