2 pages about solarcity supply chain

I need 2 pages talking about solar coty supply chain . iposted some links to help you understand what I need

More on supply, new roof costs less than regular roof

http://fortune.com/2016/11/18/elon-musk-tesla-solarcity-solar-roof/

Details about what kind of companies they get supplies from

http://buffalonews.com/2015/06/11/as-solarcity-turns-giant-call-goes-out-for-supply-chain/

Information gathered from this website in blue color

http://marketrealist.com/2016/04/solarcitys-operational-performance-stands-peers/

https://www.fool.com/investing/general/2013/12/28/read-more-about-solarcitys-plans-to-dominate-the-s.aspx