> real word, at scale, in a cost effective manner. - https://web.archive.org/web/20151208232728/http://ing.dk/artikel/verdens-stoerste-damvarmelager-indviet-i-

> real word, at scale, in a cost effective manner. - https://web.archive.org/web/20151208232728/http://ing.dk/artikel/verdens-stoerste-damvarmelager-indviet-i-vojens-176776 https://web.archive.org/web/20151208232728/http://ing.dk/art... from [2015 - now( ... (still operating) for one example. > Water has a greater capacity to store heat than rocks and dirt. Weirdly all three fall under the description used ( "mass" ) and yet none of the three you mentioned are molten salt or silicon which perform even better than water. If the point you're making is that you've made little effort to think this through or look to where this has been used, is being used, or at pilot plants going to longer time scales then congratulations, you've convinced me.