Aforementioned Bloomberg article - https://www.bloomberg.com/news/features/2018-11-20/inside-elon-musk-s-forgotten-gigafactory-2-in-buffalo https://www.bloomber

Aforementioned Bloomberg article - https://www.bloomberg.com/news/features/2018-11-20/inside-elon-musk-s-forgotten-gigafactory-2-in-buffalo https://www.bloomberg.com/news/features/2018-11-20/inside-el... Quoting - On the other hand, Tesla had received about 11,000 customer orders for Solar Roof by May, a backlog that was both encouraging and daunting.