Tag - Largest

Finland Powers Up World’s Largest Sand Battery with Promising Economics

Image Credits:TechcrunchIt may not look like much, but Finland has just powered up the world’s largest sand battery—a massive 49-foot silo filled with 2,000 metric tons of crushed rock.Yes, actual sand.This type of thermal energy storage system works by using electricity—often from renewable sources—to heat sand or crushed rock. The stored heat can then...