Comment by choeger

And we are not even close to the scale of an industry with world-wide relevance. Semiconductors is a nearly 500billion$ industry for example. If batteries reach 100billion$ we could probably expect prices well below 50$/kwh. That means you can put a sufficiently large powerwall into your home for around the price of a new laptop. That in turn enables homeowners to generate most of their energy needs themselves via (also cheap) pv arrays. This technology has the chance to completely turn around the home energy market.