As a matter of interest, I Googled and found- Eskom's history in the Northern Cape https://www.eskom.co.za/sites/heritage/Documents/NorthernCape90th.pdf
Giving up an original goal of becoming a Jesuit priest, he went to South Africa in ... needed for overhead distribution and underground cables had to be laid. ... the generation of electricity for the Northern Cape using Vierfontein low-grade coal. and ... 25 April 1860
Electricity was publicly used in South Africa for the first time with the opening of the electric telegraph line between Cape Town and Simon's Town on 25 April 1860.
Electricity in South Africa - Early Years
The Encyclopaedia of Southern Africa records that "an electric device" was used in South Africa in about 1809. The first electric telegraph system, operated between Cape Town and Simon’s Town, was introduced in 1860. An early arc light was demonstrated in 1860 and the telegraph system was used for a time signal in 1861. In 1881, the local railway station in Cape Town was illuminated by means of electricity, and Port Elizabeth opened the country’s first telephone exchange in May 1882. From April 1882, electric arc lamps illuminated Cape Town’s Table Bay docks. The use of electric lights by the Cape Colonial Parliament in Cape Town is reported in the Cape Times of May 1882:
***** from frontier famers to digger names
en.wikipedia.org › wiki › Kimberley,_Northern_Cape
Kimberley ...The shifts from frontier farm names to digger camp names to the established ... The city housed South Africa's first stock exchange, the Kimberley Royal ... Kimberley became the first town in the Southern Hemisphere to install electric ...