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SA's largest data centres

5th December 2025

     

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There are 56 data centres in South Africa with a combined load capacity of around 350 MW. Five of these data centres are AI-capable which means that South Africa holds roughly 1% of global AI data centre capacity. In contrast, the US alone is home to around 5 500 data-centres and more than 40% of the world's AI-capable data centres.

AI-capable data centres typically require significantly more power and cooling than traditional data centres used for web-hosting, virtualisation and cloud computing.

The ten largest data centres in South Africa (ranked by physical size) compiled by TechCentral, account for around 278 MW of load capacity, the largest being the Isando campus facility operated by Teraco.

As the demand for data centres increases in South Africa, and particularly the demand for power-intensive AI data centres, the demand for power will increase. Many data centre operators are already building their own energy facilities or wheeling power from other power generators. Teraco is currently building a 120 MW solar facility in the Free State.

Edited by Creamer Media Reporter

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