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World’s 1st Sand battery
March 24 , 2023
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- Finland has installed the world’s first sand battery that can store heat from renewable energy sources for months.
- It is connected to the town’s centralised heating network that keeps buildings and public water systems warm.
- The storage has 100 kW of heating power and 8 MWh of capacity.
- Sand or sand-like materials are used as the store medium in a high-temperature thermal energy storage system known as a "sand battery."
- Sand acts as a heat reservoir for energy.
- Its primary function is to serve as a high-power and high-capacity energy storage system for extra wind and solar energy.
- The energy is converted into heat, which can be utilised to heat buildings and other uses.
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