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Environment
Hartmut Winkler, Professor of Physics, University of Johannesburg

South Africa could produce a lot more renewable energy: here's what it needs

South Africa has some of the best solar and wind resources in the world. GettyImages

South Africa’s power utility, Eskom, has not been able to provide a steady electricity supply for several years now. At the start of the 2022 winter the utility warned the public to expect up to 100 days with rolling power outages. At the end of June there was at times a 6,000 MW shortfall in electricity supply, which corresponds to about 20% of the evening peak demand.

While there is consensus that new electricity generating plants are urgently needed to minimise power outages, there are radically differing views on how this is best achieved. The official electricity plan approved three years ago is already out of date. Its implementation is furthermore two years behind schedule.

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