Cool news…using batteries from the gigafactory Tesla is building outside of Reno, Solar City will be including battery backup systems in 100% of the rooftop solar systems they install within 5-10 years. This is significant partly because it helps illustrate the rapidly decreasing costs of both solar panels and battery backup systems, but also because it is likely to have a major impact on our current energy production and distribution systems…the old grid will become obsolete eventually, but the transition won’t be easy for the larger energy companies. Read more at climaterocks.com.