We provide smart energy solutions for monitoring energy consumption, controlling, storing, and optimizing renewable and non-renewable energy. The provided solutions can be divided into the following products/services: energy storage, smart light switches, smart power. The new Sand Battery delivers 1 MW of thermal power and offers a storage capacity of 100 MWh, making it ten times larger than the Sand Battery launched in Kankaanpää in 2022. “The Sand Battery means a lot to Loviisan Lämpö. It allows us to drastically reduce our emissions and improve the. Polar Night Energy, the firm behind the technology, says sand batteries can help cut emissions and reduce costs. Image: Rami Koivula / Yle US periodical Time Magazine has included a Finnish company's "sand battery" on its list of. In a country known for its freezing winters, this breakthrough offers a clean, reliable, and low-cost alternative to fossil-fueled heating, setting a new global standard for sustainable energy.