https://techcrunch.com/2019/09/19/the-man-behind-teslas-powerwall-is-now-pitching-an-all-in-one-power-management-system-for-homes/

Arch Rao, the former head of product at Tesla who was behind the company’s Powerwall home energy storage is system, is back with a new company pitching energy management and efficiency for homes.

SpanIO is looking to upgrade the electrical fusebox for homes with a digital system that integrates into the existing circuit breaker technology that has been the basis for home energy management for at least a century.