Power failures have become routine in South Africa. At the same time, the country wants to wean itself off the coal that generates more than 80% of its electricity and makes it the world’s twelfth‑biggest source of greenhouse gases. Most of South Africa’s power stations are near the end of their lives. An average of about 1 000 MW of capacity is set to be decommissioned annually over the next decade, which presents an ideal opportunity to begin overhauling the energy system. The question is how.
