Example: electric kettle = 2,000 W
Example: 2 boils × 3 minutes = 6 minutes
Enter your own tariff. R3 is just an example.
ESTIMATED DAILY ENERGY0.20 kWh200 Wh
Daily electricity costR0.60
30-day electricity costR18.00
Watts (W) tell you how much power an appliance draws while running. Watt-hours (Wh) tell you how much energy it uses over time. 1,000 Wh = 1 kWh.
Quick estimate only. Assumes the appliance uses the entered power for the full time and the same amount each day. Real tariffs and use patterns vary. This does not size a solar system or battery.
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Explore Solar SKOOL — Learn before you buy
Explore Solar SKOOL — Learn before you buy