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Finns launch world's first sand-based energy storage

Nov 28, 2010
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Just one of many low cost ways to store green energy for when the sun isn't shining or the wind isn't blowing.

Finns launch world's first sand-based energy storage

Finnish technology outfit Polar Night Energy and compatriot utility Vatajankoski have switched on what is claimed to be the world’s first commercial sand-based thermal energy storage system, to back-up a local heating network in the west of the Nordic country.

The system set up adjacent to the power plant, which has 100kW heating power and 8MWh capacity, uses renewable energy to stoke up the sand to temperatures of 500-600C, ‘discharging’ to provide heat for the Kankaanpää district.

 
They also have a Sanna-based thermal storage system.

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Just one of many low cost ways to store green energy for when the sun isn't shining or the wind isn't blowing.

Finns launch world's first sand-based energy storage

Finnish technology outfit Polar Night Energy and compatriot utility Vatajankoski have switched on what is claimed to be the world’s first commercial sand-based thermal energy storage system, to back-up a local heating network in the west of the Nordic country.

The system set up adjacent to the power plant, which has 100kW heating power and 8MWh capacity, uses renewable energy to stoke up the sand to temperatures of 500-600C, ‘discharging’ to provide heat for the Kankaanpää district.

Saw this earlier today. Would love to know the size needed to do something like this at scale.
 
Innovations in energy storage are a critical component to weening ourselves off of fossil fuels. Like this example, creating storage from mechanical or chemical sources needs to be prioritized.
 
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