Eskom: 930 MW of nuclear power back on the South African grid

The Koeberg nuclear power station, operated by Eskom, resumed operations with the recommissioning of Unit 2 on 30 December 2024, adding 930 MW to the national electricity grid. This major milestone follows a strategic maintenance programme designed to extend the plant's lifespan by 20 years, marking a significant step forward in South Africa's energy modernisation.

The Unit 2 reactor, an essential part of the country's energy production, was taken offline on 11 December 2023 for complex work. The work involved replacing three steam generators, in-depth structural inspections and refuelling. The aim was to guarantee continuous, reliable production to meet the growing needs of the national grid.

With a contribution of 5% of the country's electricity, the two Koeberg reactors play a central role in Eskom's efforts to increase electricity production by 2,500 MW by March 2025. Their reliable operation is also helping to mitigate the frequent episodes of load shedding that affect the country.

As South Africa strives to reduce its dependence on coal as part of its energy transition by 2030, nuclear power remains a crucial part of its energy mix. Unlike intermittent renewable sources, nuclear power offers constant production, essential for critical infrastructure and industry.

The National Nuclear Regulatory Authority has already extended the operational life of Koeberg Unit 1 until 2044, and a similar decision for Unit 2 is expected in 2025. This strategy underlines South Africa's commitment to maintaining nuclear power as a pillar of its energy policy while minimising its carbon footprint.

The long-term maintenance programme at Koeberg, although costly, represents a strategic investment for South Africa. By extending the life of existing assets, the country is optimising its infrastructure while reducing greenhouse gas emissions.

In a delicate political and economic context, where the country's competitiveness in international markets is at stake, Eskom and the South African government are seeking to balance the pressures of costs, employment and growing energy needs.

The resumption of operations at Koeberg Unit 2 marks an important step towards stabilising the South African electricity grid. At the same time, commitment to low-carbon sources and improving the efficiency of existing infrastructure are key levers for achieving long-term energy objectives.

The Koeberg power station thus continues to demonstrate its strategic importance for South Africa's energy security, while contributing to a balanced and sustainable energy transition.