Sure looks like one of the largest facility on the site cor·ner·stone 1. an important quality or feature on which a particular thing depends or is based http://techcity.in/public/img/other/master_plan.jpg Funny, the link to the official brochure on the Tech City website starts off with Quantum Dot Solar panels as their lead. Seems pretty cornerstone to me. http://techcity.in/public/download/broucher.pdf