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 ...

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 ...

These low-tech systems offer cheap, long-duration storage with minimal degradation, using abundant materials and basic ...

The systems, which can store clean energy as heat, were chosen by readers as the 11th Breakthrough Technology of 2024. We need heat to make everything from steel bars to ketchup packets. Today, a ...

When spring arrives and the heating season comes to an end, keeping warm becomes less of an issue. However, scientists remind us that it is not just a seasonal necessity -- heat is also a valuable ...

The Kraftblock team at the site of one of their firm's thermal batteries, installed at a ceramics plant. The battery is the white container connected to the building via the chrome pipes. About half ...

A group of European scientists has sought to combine PV-thermal (PVT) energy coupled with a heat pump (HP) and borehole thermal energy storage (BTES) for powering an Italian swine farm. “This research ...

Scientists from China have developed a novel optimization method for medium-depth ground source heat pumps, using an improved chaos particle swarm optimization. They coupled it with either a heat ...