where shown at the EXPO 2015 in Milano at the Austrian Pavilion. The milestone for DSSC is the Science Tower in Austria – it is the largest installation of DSSC in the world – carried out by SFL technologies. Exeger Operations AB, Sweden, has built a factory in Stockholm with a capacity of 300,000m2. SoftBank Group Corp. has made two investments of US$10M in Exeger during 2019. See also References External links Brian O'Regan's account of the invention of the modern DSSC Dye Solar Cells for Real, the assembly guide for making your own solar cells Breakthrough in low-cost efficient solar cells Thin-film cells Dye-sensitized solar cells Renewable energy commercialization Ultraviolet radiation Swiss inventions