Polar Night Energy, which in 2022 implemented the world’s first commercial sand-based, high-temperature heat storage system ...

Batteries are the key to the future of the most abundant sources of renewable energy, solar and wind power for one obvious reason: intermittence. If power generators want to replace fossil fuels ...

The challenge of storing energy year-round has been one of the biggest obstacles to the widespread adoption of green power. However, Polar Night Energy has developed the world's first fully functional ...

A hot new contender in the realm of energy storage is emerging. Finnish company Polar Night Energy is rapidly advancing the development of an industrial-scale Sand Battery. This sustainable energy ...

An innovative thermal energy storage system has redefined the way a small Finnish town heats its residential and commercial buildings, with an enormous silo of 2,000 tons of crushed stone capable of ...

The world’s first sand battery acts as a high-capacity reservoir for excess wind and solar energy. Energy is stored as heat, which can then be transferred for commercial use. Currently, the battery is ...

The world’s largest sand battery has started working in the southern Finnish town of Pornainen. Capable of storing 100 MWh of thermal energy from solar and wind sources, it will enable residents to ...

Engineers in Finland may have discovered a cheap and effective way to get the most out of their country's wind and solar power systems. Polar Night Energy claims to have constructed "the first ...

Another day, another experiment showing alternative ways to create better electric batteries. After seeing molten air and carbon based batteries earlier, today we’ll have a look at a new type of ...

An entire town in Finland could very well get a lot of its heat from a giant sand battery before too long. The new battery has officially been announced and will be built by Polar Night Energy. It's a ...