Our NEBU®Block T10 is the first mobile HTES-unit. A 10' standard transport container has implemendet isolation, different modules as well as a grain-like storage material. Our T10 can take up to 4,2MWh of thermal energy. The heat can be transferred directely into the storage material by blowing i.e. exhaust fumes of ceramic ovens, without using heat exchangers, into the storage. Simple and easy, extremely low maintainance time/costs, simple installation. The mobile unit was made to be charged in companies producing a lot of "waste-heat", like stell industry, ceramic- or glass industry or also CSP. The charges storage is brought to the heat sink, which could be another company, public administration, sport-facilities, schools, malls,.... Doing this the primary energy needed to produce the heat for the source's production can be used twice which optimises the efficieny and lowers the CO2-footprint tremendously.