Molten salt (MS) energy storage technology is one of the key topics of today's research. According to studies, MS energy storage technology is critical to integrating renewable energy and is vital to sustaining a robust and trustworthy contemporary power grid. The research on the benefits and use of MS energy storage still has several limitations, though. This essay provides an organized and thorough overview of MS energy storage. The use and growth possibilities of MS energy storage technology in the sectors of solar power, wind power, and nuclear power are investigated on the basis of an examination of the properties of this technology. This study demonstrates the critical role that molten salt energy storage technology plays in lowering power fluctuations, enhancing the adaptability of power networks, and storing and distributing energy produced by intermittent renewable sources like wind and solar energy. It protects the environment and performs well economically. This technology represents the direction in which energy storage technology will grow in the future and is deserving of widespread use.