The Koeberg nuclear power station north of Cape Town. Image: Eskom Eskom said late on Sunday that a unit at its Koeberg nuclear power plant was shut down after experiencing an unplanned, non-technical trip while operating at full capacity. Eskom said that Koeberg unit 2 inadvertently tripped during work on unit 1, which is currently offline. The second unit was switched off in accordance with protocol, Eskom said, adding that start-up process for the tripped unit was in the works. Unit 2 is expected to be reconnected to the national grid within 48 hours, the state-owned power utility said. Read: Eskom prices to rise by four times latest CPI figure Koeberg power station, north of Cape Town, is currently the only commercial nuclear power plant in Africa and its two units contribute around 1.86GW or 5% of national power supply. — Gursimran Kaur, (c) 2025 Reuters Get breaking news from TechCentral on WhatsApp. Sign up here . Don’t miss: Why Eskom plunged South Africa back into stage-6 load shedding