2,000 tons of crushed soapstone used
The Sand Battery was filled with 2,000 tons of soapstone, which is the approximate weight of one thousand soapstone fireplaces. The site has received 40 truckloads of crushed soapstone for this purpose.
The giant Sand Battery will be the main power source for Pornainen’s district heating network. It will be capable of generating 1 megawatt (MW) of power and storing 100 MWh of energy.
In terms of size, this unique battery will have a height of about 13 meters and a width of roughly 15 meters.