Photovoltaic module manufacturer Win Win Precision Technology Co., Ltd. from Taiwan provided a 850 kWp solar system in South Africa with its PV modules. It is Africa’s major on-roof system put into operation so far 3,400 WINAICO WSP-250P6 solar modules have been installed on the roof of a steel treatment company.The power produced by the system installed on the building of the steel treatment company Fast Flame Processing in Alberton is exclusively used for personal consumption. While the cost per kWh is about 0,03 EUR/kWh, the annual yield is about 2.100 kWh/kWp.