UNDERGROUND THERMAL ENERGY STORAGE IN POLAND

The paper informs about different options of Underground Thermal Energy Storage and presents state of UTES application in Poland. It analyses heat production and heat use in the country. Different types of heat, i.e. solar energy, waste heat and surplus of heat from thermal power co-generation, are considered as thermal energy to be stored in the ground. The main stress is put on applying UTES in building sector, especially in urban households. Information about one demonstration UTES project are presented. Some attention is put on ground source heat pumps, that become popular in the country. 1