Gauteng, KZN power ahead with rooftop solar
South Africa’s rooftop solar has surged by 218% in three years as businesses and households responded to record loadshedding in 2022 and 2023. As of October 2025, Eskom estimates that the country has 7.4 GW of rooftop solar, up from 2.33 GW in October 2022.
Gauteng, the country’s economic hub, leads with 2.25 GW installed, followed by KwaZulu-Natal with 1.4 GW, which has seen a sharp rise from 0.8 GW in October 2024. The Western Cape ranks third with 0.79 GW, and Mpumalanga has an estimated 0.7 GW.
The rapid increase has been driven largely by households and businesses seeking alternatives amid extensive loadshedding, which affected South Africans for 205 and 335 days in 2022 and 2023, respectively.
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