Takeaways:
- Polar Night Energy has been installed in the town of Kankaanpää and holds 100 tons of sand inside.
- The sand is heated with excess renewable energy and later used to heat homes, factories and swimming pools.
- The sand battery is intended to supplement district heating systems and significantly lower the amount of electricity, oil, or methane used to heat buildings.
Click here to view the original web page at: Sand Battery Trials Begin In Finland
