Electricity & Outage Calculators
Size an inverter or battery backup for the next outage or load-shedding, estimate your electricity bill and see what your appliances cost to run.
- Electricity Bill Calculator Pick your province and electricity provider, enter the kWh you used and get an estimated monthly bill (fixed charge + 15% VAT).
- Home Energy Use Calculator Estimate monthly kWh and rand cost from common household appliances and your own devices.
- Generator / Inverter Size Calculator Add the appliances you need during load-shedding and find the running and starting watts your generator or inverter must supply.
- Battery Backup Runtime Calculator How long a battery, inverter or UPS will run your devices during load-shedding or a power outage.
- Air Conditioner Cost Calculator Estimate air-conditioner energy use and monthly cost from kW draw and hours.
- Heater Cost Calculator Calculate what an electric heater costs to run per hour, day and month.
- Geyser Cost Calculator Estimate the electricity an electric geyser or heat pump uses each month.
- EV Charging Cost Calculator Estimate the cost of charging an electric vehicle at home per charge, per km and per month.
- Solar Savings Calculator Estimate rooftop solar production, bill savings, feed-in credits and payback time.
- Electricity Bill to kWh Calculator Work out roughly how many kilowatt-hours a bill or prepaid purchase represents after fixed charges and VAT.
- Electricity Tariffs by Province Compare average residential electricity prices in every province.
Provincial electricity bill calculators
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