For the first time since rolling blackouts became a feature of daily life in South Africa, the lights have stayed on for a full year. At midnight on 15 May 2026, Eskom reached a historic milestone: a complete calendar year without implementing load shedding.
The achievement marks a turning point for a power utility whose name had become synonymous with scheduled outages. Eskom first passed the 300 consecutive days mark on 12 March 2026, and carried that momentum through to the full-year milestone two months later.
Billions saved on diesel
The sustained grid stability has delivered substantial financial relief, most visibly in the utility’s reliance on costly diesel-fired open-cycle gas turbines, which had long been used to keep the grid afloat during periods of strain.
Diesel expenditure for the period 1 April to 14 May 2026 fell to R589.95 million, down from R2.72 billion over the same period the previous year. That represents a reduction of 78.31%.
The longer-term picture is equally striking. For the financial year to 12 March 2026, Eskom’s diesel spend was R8.58 billion lower year-on-year, a cut of 57.35%. The savings reflect a grid that is increasingly able to meet demand from its own generation fleet rather than expensive emergency measures.
Plant reliability behind the turnaround
Eskom has credited the milestone to improved plant performance and major operational efficiencies. Central to that story is the Energy Availability Factor (EAF), a key measure of how much of the generation fleet is reliably available to produce power.
The EAF held consistently above 65% over the period, reflecting sustained improvements in plant reliability. The steadier performance has allowed the utility to move away from the crisis-management footing that defined previous years.
According to the South African Government, the utility marked 300 days without load shedding on 13 March 2026, an early signal that the improvement was being maintained rather than representing a brief reprieve.
Confidence restored heading into winter
The return of dependable power supply has begun to restore public and business confidence in the grid, after years in which planning around outage schedules became routine for households and companies alike.
Looking ahead, Eskom projected a load shedding-free winter for 2026, reporting roughly a 6GW generation surplus. The surplus provides a buffer during the colder months, when demand typically peaks and the grid has historically come under the greatest pressure.
As reported by TechFinancials, Eskom confirmed it had reached the full-year milestone at midnight, capping a sustained recovery that has reshaped expectations around the country’s electricity supply.
For now, the message from the utility is one of steady confidence: a full year of uninterrupted supply, billions saved, and a winter ahead that Eskom expects to navigate without resorting to the blackouts that once defined the era.
Photo: techfinancials.co.za
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