November 2015 On 19 November 2015 State Secretary Sander Dekker (OCW) and ARPA-E Director Ellen Williams officially opened the new DIFFER research building on the TU/e Science Park, designed by Ector Hoogstad Architecten. To celebrate this day, DIFFER organized a scientific symposium and lab visits to their fusion and solar fuels research. Also a tour took place through the most sustainable laboratory building in the Netherlands. DIFFER is the first Dutch lab building with a BREEAM Excellent label. The institute received the certificate awarded for this scoop during the opening.