IOL (2024, 14 February). How South Africa’s load-shedding crisis escalated over 17 years.
The article compiles yearly load-shedding figures from CSIR statistics, from 176 GWh shed in 2007 to the record of 2023. The wiki uses its figures for the plateau years in South Africa on the Curve. The data are the CSIR’s; the article is journalism, cited for the compilation.