Quote:
Originally Posted by calgarygeologist
How big does this "heat battery" need to be in an industrial situation to work as you are suggesting in a low cost storage, high cost usage scenario? Is this the size of a normal HVAC system or does this need to be the size of a warehouse?
I'm having a tough time picturing a room full of rocks that are super heated and how big that would need to be for practical purposes.
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It's actually incredibly energy dense. It varies a bit, but roughly 1 mē per 1MW which is very good. They're also quite modular and can placed outside with proper transfer medium and lines