Clean FactsInnovationsNewsRenewable EnergyTechnologyWorld First Electrothermal Energy Storage SystemStaff ReporterJune 18, 2019June 18, 2019 by Staff ReporterJune 18, 2019June 18, 201903Siemens Gamesa Renewable Energy last week inaugurated operations of its electrothermal energy storage system which can store up to 130 megawatt-hours of electricity for a...