Does that include this kind of design: https://www.siemensgamesa.com/en-int/newsroom/2019/06/190612-siemens-gamesa-inauguration-energy-system-thermal https://ww

Does that include this kind of design: https://www.siemensgamesa.com/en-int/newsroom/2019/06/190612-siemens-gamesa-inauguration-energy-system-thermal https://www.siemensgamesa.com/en-int/newsroom/2019/06/190612... > "The heat storage facility, which was ceremonially opened today in Hamburg-Altenwerder, contains around 1,000 tonnes of volcanic rock as an energy storage medium. It is fed with electrical energy converted into hot air by means of a resistance heater and a blower that heats the rock to 750°C. When demand peaks, ETES uses a steam turbine for the re-electrification of the stored energy. The ETES pilot plant can thus store up to 130 MWh of thermal energy for a week. In addition, the storage capacity of the system remains constant throughout the charging cycles."