Siemens Gamesa Renewable Energy (SGRE) said that they have begun operation of its electric thermal energy storage system (ETES), a milestone in the development of energy storage solutions, according to the company.
According to RenewableEnergyWorld, the heat storage facility is located in Hamburg-Altenwerder and 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.
he aims of the pilot plant is to deliver system evidence of the storage on the grid and to test the heat storage extensively. In the next step, Siemens Gamesa plans to use its storage technology in commercial projects and scale up the storage capacity and power. The goal is to store energy in the range of several gigawatt hours (GWh) in the near future. One GWh is the equivalent to the daily electricity consumption of around 50,000 households, said Siemens in a press release.
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Location: Altenwerder, Hamburg, Germany
Date: Jun 15, 2019 @ 15:30
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