Sand as a Battery?

One of the challenges with renewable energy is storage.  That is, if you use solar panels, what do you do at night?  Scientists are experimenting with using sand as a battery.  You heard that right.  Sand.  It turns out that sand can be heated up a lot – to nearly 1000 degrees, using electricity created by solar panels.  And sand retain this heat for months.   Meaning that the heat can be used a long time later on for energy.   You can read all about it here:


Categories: Weather Blog