DuPont Photovoltaic Solutions Phone Number 919-248-5000Address Line 1 Barley Mill Plaza 4417 Lancaster PikeTown / City WilmingtonCounty / District DEPostcode 19805Category Equipment, SolarDuPont is a leading material and technology supplier to the photovoltaic (PV) industry, with more than 25 years of experience in PV materials development, applications know-how, manufacturing expertise and global market access.