How Much Does 100 kWh Cost in South Africa?
If you want to know how much 100 kWh costs in rand, the answer depends on your electricity supplier. Eskom direct prepaid customers pay a flat rate, while many municipalities use block tariffs that can push the rand cost higher later in the month.
100 kWh Cost by Provider
| Provider | Avg R/kWh* | Estimated Cost |
|---|---|---|
| Eskom Homelight 20A | R2.49/kWh | R249.00 |
| Eskom Homelight 60A | R3.16/kWh | R316.00 |
| City Power (Johannesburg) | R3.06/kWh R3.06-R4.00/kWh steps | R306.00 |
| City of Cape Town | R3.91/kWh R3.91-R4.65/kWh steps | R391.00 |
| City of Tshwane (Pretoria) | R3.42/kWh R3.42-R4.70/kWh steps | R342.00 |
| eThekwini (Durban) | R2.24/kWh R2.24-R3.17/kWh steps | R224.00 |
| Ekurhuleni | R2.97/kWh R2.97-R11.99/kWh steps | R297.00 |
* Average R/kWh = estimated cost รท 100 kWh for this purchase (first top-up assumption for blocks).
What Can 100 kWh Power?
To put 100 kWh in perspective, here is how many days of typical use it covers for common South African household appliances.
| Appliance | Wattage | Daily Use | kWh/Day | Days from 100 kWh |
|---|---|---|---|---|
| Geyser (Water Heater) | 3000W | 5h | 15 | 6.7 |
| Fridge | 150W | 24h | 3.6 | 27.8 |
| Air Conditioner | 1500W | 6h | 9 | 11.1 |
| Washing Machine | 500W | 1h | 0.5 | 200 |
| LED TV | 100W | 5h | 0.5 | 200 |
| Kettle | 2000W | 0.25h | 0.5 | 200 |
| Pool Pump | 1100W | 6h | 6.6 | 15.2 |
| Laptop | 65W | 8h | 0.5 | 192.3 |
Based on typical daily usage patterns. Your actual consumption depends on how long you run each appliance and its specific model.
Frequently Asked Questions
How much does 100 kWh cost on Eskom?
100 kWh costs approximately R249.00 on Eskom Homelight 20A at R2.49/kWh.
How long will 100 kWh last in my home?
At average household usage of 30 kWh per day, 100 kWh lasts about 3.3 days. If your geyser is the main consumer, 100 kWh covers roughly 6.7 days of geyser use alone. A fridge running 24 hours a day would take about 27.8 days to use 100 kWh.
Why does 100 kWh cost different amounts by municipality?
Municipal suppliers often use different tariffs and monthly block pricing. That means the rand cost of 100 kWh can vary significantly depending on your provider and how much electricity you have already bought that month.
Is this the exact token price for 100 kWh?
It is exact for flat-rate Eskom direct prepaid tariffs, but municipal block tariffs are estimated as if this is the first purchase in the billing month. Municipal block tariffs are estimated as if this is the first purchase in the billing month. Actual tokens can differ later in the month.
Need a different kWh value or want to reverse the calculation by provider?
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