I see there is another article possibly confirming that this site is the Gigafactory.
Guest Post: Top-Secret Groundworks Outside Reno, NV Mark First Tesla Gigafactory Site
Oh, and I quickly changed the title (and then changed it again today), but it seems that the original poster cannot change it (the one that is on the main title...seems I can only change it on the first post). Perhaps someone with more posting power can manage to do so.
Guest Post: Top-Secret Groundworks Outside Reno, NV Mark First Tesla Gigafactory Site
Oh, and I quickly changed the title (and then changed it again today), but it seems that the original poster cannot change it (the one that is on the main title...seems I can only change it on the first post). Perhaps someone with more posting power can manage to do so.