Khi Solar One is Africa's first concentrated solar power plant. Situated outside of Upington in the Northern Cape, the 140-hectare plant will produce 50 megawatts of power by using 4 200 concave mirrors to reflect and concentratea large area of sunlight onto a small area on a 205 metre tower.
Four South African innovations have made it on to this year's list of 10 nominees for the Innovation Prize for Africa. Its aim is to encourage local solutions to challenges and inspire continued growth on the continent. The winner will be announced in a ceremony in June in Botswana.
In the Valley of Desolation in the Camdeboo region of the Eastern Cape, a global online crowdfunded project with huge ambitions is set to transform a community where four of every 10 people don't have jobs. This is South Africa's Giant Flag, a development project so big it will be visible from space.