These systems consist of a heat storage tank,an energy transfer media,and a control system. Utilizing these systems reduces energy consumption and overcome the problem of intermittency in renewable. Thermal energy storage (TES) technologies are emerging as key enablers of sustainable energy systems by providing flexibility and efficiency in managing thermal resources across diverse applications. This review comprehensively examines the latest advancements in TES mechanisms, materials, and. A paradigm transition from centralized to decentralized energy systems has occurred, which has increased the deployment of renewable energy sources (RESs) in renewable energy communities (RECs), promoting energy independence, strengthening local resilience, increasing self-sufficiency, and moving. Sensible liquid storage includes aquifer TES, hot water TES, gravel-water TES, cavern TES, and molten-salt TES. Sensible solid storage includes borehole TES and packed-bed TES. Thermal energy storage is one such method, and multiple analyses, including technical-economic and life cycle analyses, indicate that thermal energy storage has lower costs and less environmental impact compared to many widely used renewable energy storage technologies. In addition, the energy. This book provides a descriptive classification of the various concepts, giving characteristic performance data and design fundamentals.