Polar Night Energy

Polar Night Energy is a Finnish energy technology company founded in 2018 and based in Tampere, Pirkanmaa.

The company specializes in designing, developing, and constructing industrial-scale high-temperature thermal energy storage systems. Its flagship product, the Sand Battery, is a zero-emission solution that efficiently stores renewable energy from wind and solar sources. This innovative technology enables heat and power generation without combustion, supporting the decarbonization of the heating sector. The company operates in the B2B space, serving industrial clients, energy utilities, and district heating providers. Polar Night Energy offers a range of services, including the design and engineering of thermal energy storage systems, construction and installation, grid balancing solutions, and renewable energy integration. With a mission to reduce reliance on fossil fuels and accelerate the transition to renewable energy, Polar Night Energy is committed to playing a significant role in combating climate change and promoting sustainable energy practices.