I can’t find any record of those being actually sold/installed, or any issues like mentioned in the article? Either way, it is pointless to speculate on technic

I can’t find any record of those being actually sold/installed, or any issues like mentioned in the article? Either way, it is pointless to speculate on technical issues affecting the viability of the Tesla product that doesn't exist yet. We'll only know when solar roof is on the market.