Let us imagine you have put all your savings into stored energy. A good plan. Everybody needs energy. But now let us imagine that you discover that next year a machine will be made that produces energy for nothing, That is will take a really common material, let us say salt for example, and from it produce electricity. Lots and lots of electricity. What price now that energy store you have. What to do? Why the answer is simple, sell it now for as much as you can get while you still can. Just like OPEC is doing now.