Giant 'sand battery' holds a week's heat for a whole town

Re:Giant 'sand battery' holds a week's heat for a whole town by ionwake on Wednesday March 13, 2024 @09:03PM (#39699529)

Sorry to a noob can someone explain this please. They are just heating up sand right?

[ Parent | on HN ]

Re:Giant 'sand battery' holds a week's heat for a whole town by loeg on Wednesday March 13, 2024 @09:05PM (#39699541)

Yep.

[ Parent | on HN ]

Re:Giant 'sand battery' holds a week's heat for a whole town by Ekaros on Thursday March 14, 2024 @04:20AM (#39701539)

Yep, combined with district heating that works with simple heat exchangers, it is pretty decent system. So you either pump power to sand or take heat from it and put it heating network.

[ Parent | on HN ]