SolarCity offers its largest online discount, with Groupon

[Benton D Struckcheon]

1. This is what virtually everyone who comments on energy is missing.

There is now a critical mass of companies motivated to install solar systems and make a deal to do it. That critical mass is meeting a consuming public that is more than willing to cut their electric bills. This transformation is what is making the Koch brothers crap in their pants.
Meantime, all kinds of people are working hard on advancing the tech in both the panels and in batteries. In another five years, what will be available will be much more advanced than anything out there today.
The EIA's latest projections are for renewables to have a 16% share in something like ten years; meantime, they already claimed a 15% share in March. I doubt the average utility exec is looking at that projection and thinking it's real.