Looking at every one of the solar incentives available, the payback duration of the common solar+battery installation in California is about 8 years. There is certainly also a smaller application called the Desire Side Grid Guidance (DSGS) System, which supplies payments to homeowners with Tesla Powerwall batteries according to the https://isitedirectory.com/listings13400607/not-known-factual-statements-about-california-solar-company