> Estimated return of 8% to 12% per year. Higher if utility prices increase The PPA kWh price is quite attractive, especially if you figure in year-over-year c

> Estimated return of 8% to 12% per year. Higher if utility prices increase The PPA kWh price is quite attractive, especially if you figure in year-over-year constant increase in places like CA (who do you think is actually paying those PG&E settlements?). What they don’t take into account is your ~$10 a month charge to be hooked into the grid.