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Scientific Essay from the year 2015 in the subject Electrotechnology, grade: N/A, , course: Electrical Power Engineering, language: English, abstract: Awareness on Power consumption is becoming vital these days. The proposed system is made up of postpaid billing system which uses GSM (Global System for Mobile Communication) to provide effective and efficient power meter reading, usage notification and distribution through wireless communication. The postpaid meter is important in making the consumer having sense about his/her energy consumption which is important in eliminating the difficulties facing the electrical utility employee in getting the reading of the conventional electromechanical meter and eliminating any error incurred in bills issuing. The designed digital meter consists of GSM module, a microcontroller, a digital meter & a wireless gateway. This proposed prototype of energy metering system comprises of two main parts; clients and server. A GSM module is used to read the ID of the SIM (Subscriber Identification Module) card. The server is located in the local substation which receives the SIM ID from clients and sends ID’s information back to the client after checking and/or updating the database. Moreover the system also display the amount of energy consumed on the LCD (Liquid Crystal Display). The aim of the Research Project is to develop a system which uses microcontroller as a central part to provide postpaid services, and it uses GSM to update the WAPDA (Water and Power Development Authority Pakistan) about the unit consumed with time and date. So that consumer will be aware of their usage and for provider’s error occur and resources use can be reduced.