What is Load Shedding?
Last updated: January 28, 2026
A simple explanation of load shedding - why it happens, how it works, and what it means for South Africans.
Quick answer: load shedding is controlled power cuts to keep the grid stable when demand exceeds supply. Load shedding is the deliberate shutdown of electrical power in parts of the power grid to prevent the entire system from collapsing when there isn't enough electricity to meet demand.
Load Shedding Explained Simply
Think of the electricity grid like a scale that must stay balanced. On one side is electricity supply (from power stations), on the other side is demand (everyone using electricity). When demand is higher than supply, the scale tips and the whole system could crash. Load shedding removes some demand (by switching off areas) to keep the scale balanced and prevent a total blackout.
Think of the electricity grid like a scale that must stay balanced. On one side is electricity supply (from power stations), on the other side is demand (everyone using electricity). When demand is higher than supply, the scale tips and the whole system could crash. Load shedding removes some demand (by switching off areas) to keep the scale balanced and prevent a total blackout.
Why Does Load Shedding Happen?
The main reasons for load shedding in South Africa:
- Old power stations breaking down frequently
- Years of poor maintenance at Eskom
- New power stations (Medupi, Kusile) delayed and over budget
- Growing electricity demand from population and economy
- Diesel and coal supply issues
- Sabotage and theft at power stations
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How Load Shedding Works
The load shedding process:
- 1. Eskom monitors supply vs demand constantly
- 2. When supply is too low, they announce a stage (1-8)
- 3. Each stage removes a certain amount of load from the grid
- 4. Areas are switched off in rotation according to schedules
- 5. Each area is off for 2-4 hours depending on the stage
- 6. When supply improves, the stage is reduced or ended
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