Power to heat

Wind and solar, which are becoming increasingly cost-effective compared to traditional fossil fuels, are used for charging directly, or over the grid.

High-efficiency resistive heaters are embedded within the storage modules, heating the crushed rocks up to 750°c

Heavily insulated TES modules filled with crushed rocks store the heat for hours or days with minimal heat loss of less than 0.1% per hour

Whenever heat is required, whilst charging or idle, Steam or hot air is delivered in stable temperature and pressure

Fast ramp up and down could follow the process’ heat load to optimize efficiency and minimize heat loss

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