Abstract: Users' electricity use may be shared nearly instantly with utilities companies on the smart grid due to Smart Meters (SMs). The data is communicated between individuals in the company, which has prompted privacy issues. In this paper, a privacy-preserving method for smart meter data is designed using a swarm intelligence algorithm. In the swarm intelligence algorithm, JAYA algorithm is taken under consideration and deployed for key generation in the planned method. After that, an XOR operation was performed between the smart meter sensitive data and key generated using a JAYA algorithm for encryption purposes. In MATLAB, numerous performance metrics are computed for the planned technique's performance evaluation. From Simulation results it is clear that the planned method gives better results as compared to the previous methods.