🇫🇮🔥 Finland is home to the world's largest commercial sand battery, using 2,000 tonnes of crushed soapstone to store renewable energy as heat. The system can store 100 MWh of thermal energy, enough to meet the summer heating needs of Pornainen's 5,000 residents 🏘
Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand batteryA small Finnish town has turned to the world's largest commercial sand battery to tackle a major hurdle in the energy transition: intermittency.www.cnbc.com