Interesting article and accompanying data that indicates that the growth in solar panel installation is being driven by the middle-class, not the upper-class, in the US.
Your first thought is probably that the wealthy are the only ones putting solar panels on their houses in large numbers, but according to a new report on residential solar in Arizona, California, and New Jersey, that's not the case.
The reason? Solar leasing.
Important question: how can folks work to bring working-class folks into the solar revolution and distributed power? This is an area that sorely needs to be addressed in research and action.