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Smart meter is the upgradation of the existing meter in terms of cost, communication infrastructure, internet of things and reliable technologies. In the ambitious flagship programme of digital India-project an initiative of India, the potential fields of the missions are identified in the area are smart energy, smart meters, smart homes, and smart cities. More than 100 smart cities are planned for information and communication technology-driven solutions with big data analytics in India. The exponential growth in smart meter has given certain security risks, cyber threats and protection of stored data as Nation security. Smart meters, comprising of several communication, monitoring intelligent, metering and electrical equipment used in power meter, have a greater exposure to meter security and cyber-attacks which potentially disrupt distribution in a city. The paper proposed the energy meter with Advanced Encryption Standard (AES) algorithm enable with NodeMCU hardware. The data generated by the energy meter is stored in the cloud using AES algorithm to secure this data from intruders. This system ensures the AES can be employed in smart meter security and communication infrastructure.