Thermal energy storage explained

What is thermal energy storage?

The thermal energy storage (TES) can also be defined as the temporary storage of thermal energy at high or low temperatures. TES systems have the potential of increasing the effective use of thermal energy equipment and of facilitating large-scale switching. They are normally useful for correcting the mismatch between supply and demand energy .

How does thermal energy work?

The energy, in the form of hot or chilled water, can then be distributed to buildings via a pipe network for immediate use or be stored in thermal storages for later use. The thermal energy can be stored for a few hours or days, for example in heat storage tanks, or for several months in large pits or other storage facilities.

What is a thermal storage system?

District Heating: Thermal storage is commonly used in district heating systems, where it stores energy for the entire district or neighborhood. The stored heat can be distributed to homes and businesses for space heating and hot water.

What are the three types of thermal energy storage?

There are three main thermal energy storage (TES) modes: sensible, latent and thermochemical. Traditionally, heat storage has been in the form of sensible heat, raising the temperature of a medium.