Molten salt storage is not as efficient as batte storage. Battery storage comes in in to 90 %. Molten salts come in i 70%. They're less, got a lot of fewer risks. So if you have the materials, it's a good solution. But there are more right? For years we've been using pumped hydro storage where you use that excess electricity to pump water up a hill and then when you need it, you let the water come back down. That's even a form of storage, in a sense. Utin te coast, yes, there is a mechanism. If we have more sola than we know what to do with, why don't we