BY: Saneliso Mlambo
On February 23, 2025, Eskom, South Africa’s state-owned power utility, escalated load shedding to Stage 6, marking the highest level of controlled power cuts implemented to date. This decision was prompted by multiple unit failures at key power stations, significantly reducing the national grid’s capacity.
The immediate cause of the escalation was the simultaneous breakdown of several generating units. Camden power statio experienced multiple unit trips, leading to a substantial loss in generation capacity. Majuba power station also faced unit failures, further exacerbating the strain on the power supply while Medupi power station encountered unit trips, contributing to the cumulative deficit in electricity production.
These breakdowns resulted in a loss of approximately 3,864 megawatts (MW) of generation capacity. Additionally, planned maintenance accounted for 7,506 MW being offline, intensifying the supply constraints.
Eskom’s aging coal-fired plants are prone to frequent breakdowns, a consequence of deferred maintenance and underinvestment over the years. The utility has been implementing a generation recovery plan aimed at improving the reliability of these plants, but challenges persist.
Eskom’s Chief Executive, Dan Marokane, acknowledged the severity of the situation, stating that the utility is working diligently to return the failed units to service and stabilize the grid. He emphasized that while progress has been made in recent months, the current setbacks highlight the need for continued investment and maintenance to ensure a reliable power supply.
The South African government, in collaboration with Eskom, is exploring both immediate and long-term solutions to address the energy crisis. These include accelerating the integration of renewable energy sources into the grid, enhancing maintenance protocols for existing infrastructure, and implementing demand-side management strategies to reduce consumption during peak periods.
As Eskom works to restore capacity, the nation remains under Stage 6 load shedding until further notice. Consumers are urged to stay informed through official channels and to take necessary measures to mitigate the impact of power outages on their daily lives.