This dynamic team will offer a comprehensive energy storage and power service, which will include a rooftop solar panel kit, Tesla Powerwall battery pack, hybrid inverter, control system, and a warranty and service agreement.
http://www.fool.com/investing/general/2015/07/24/building-a-new-home-tesla-and-solarcity-want-to-he.aspx?source=eogyholnk0000001