Energy from renewable sources can be stored in a sand heat storage system. A system with circulating sand is said to be ...

Heat batteries quietly solve a major transition gap, storing surplus renewable electricity as heat.

The Finnish start-up says its sand battery technology is scalable from 20 to 500 MWh with charging power from 1 to 20 MW, depending on industrial needs.

Researchers at the University of Texas have developed a wood-based material that regulates building ...

As Europe braces for a difficult winter, with energy prices still high and energy supplies at risk, the energy efficiency challenge feels more urgent than ever. One European company that has been ...

An energy supplier in Finland has announced the upcoming construction of an underground seasonal thermal energy storage facility about the size of two Madison Square Gardens that could meet the ...

A biochar-based thermal sponge stores heat during the day and releases it at night, cutting cooling energy by over 50%.

Starting next year, Antora’s new manufacturing plant will produce modular thermal batteries to help decarbonize heavy industries. Today Antora Energy, a California-based thermal-battery startup, ...

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 ...

Salt batteries can store summer heat to be used in winter, but which salt works best for the purpose? On 19 December, Lian Blijlevens will defend her PhD thesis on her research into salt for heat ...