Thermal energy storage technology (TES) temporarily stores energy (solar heat, geothermal, industrial waste heat, low-grade waste heat, etc. Construction of the salt tanks at the Solana Generating Station, which provide thermal energy storage to allow generation during night or peak demand. They enable the (partial) decoupling of energy production and energy consumption. This review comprehensively examines the latest advancements in TES mechanisms, materials, and. As latent heat accumulators, phase-change materials (PCM) increase the heat capacity of buildings and ensure a stable and pleasant indoor climate. In production, its operating temperature can be adjusted from -10°C to 80°C (14°F to 176°F). This dramatic cost reduction, combined with 85-95% round-trip efficiency and millisecond response times, has made.