As global energy demand accelerates, one truth remains underappreciated: heat is the largest end use of energy. Today, more than 50 percent of global final energy consumption is dedicated to ...

The world's largest sand battery stores heat, then releases it on demand. But it's about to lose its title as the world's ...

Finland is harnessing the unexpected power of sand to decarbonise industrial heat – a major “blind spot” in global emissions. Industrial heat production is one of the largest and hardest-to-solve ...

Finland-based thermal energy storage startup TheStorage has raised $4.2 million in a seed funding round to scale its ...

From the glass screen and metal components in your mobile phone to the plastic shampoo bottle you reach for in your morning ...

The community swimming pool in the Finnish town of Kankaanpää is heated with sand—well, a sand battery, to be more specific. Energy utility Vatajankoski has partnered with Polar Night Energy, a ...

A small town in Finland is experimenting with a new type of infrastructure: the world’s largest sand battery. The battery—a 42-foot-tall, nearly 50-foot-wide silo filled with 2,000 tons of crushed ...

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 ...

A research group from Ghana has developed a solar PV-powered steam cooker (ISESC) with sand-based thermal energy storage (TES). “The potential of sand, given its thermal stability and low cost, has ...