Yes. We can do it without using any excessive amount of any rare material. Storage can be done with cheap materials available in essentially unlimited amounts (steel, for example). The materials required are small compared to the materials used by industrial society as a whole.

You should have realized that your claim there requires that you know that no possible storage technology or combinations thereof could do the job. You are making a very strong claim that would require exhaustive analysis of all known or possible storage technologies that I am sure you have not performed. The claim that it could be done only requires finding some specific counterexamples.