How a Sand Battery Could Revolutionize Home Energy Storage. Use code UNDECIDED50 to get 50% OFF First Box and free wellness shots for life with any active subscription at https://bit.ly/3TiVmO8! Sand. It’s coarse, it's rough, and it can make for a great sand battery. And as weird as that might sound, it’s just one example of the many earthy materials currently used for thermal energy storage (or TES). A while back, we covered the debut of the world’s first commercial sand battery, which is big enough to supply power for about 10,000 people. Now, sandbased energy storage has reached a new frontier: individual homes. Companies like Batsand are currently offering heat batteries that bring hot and fresh sand directly to your door. Seems you can get just about anything delivered these days.

But what’s stopped us from experimenting with residential TES before? How will heat storage impact our lives in our homes? And where exactly are homeowners supposed to put this stuff?

Watch Have we been doing Solar wrong all along?    • Have we been doing Solar wrong all al...  

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