1
What's your goal?2
Select Your Appliances3
Backup Duration4
Where are you?What's your goal?
Select Your Appliances
Check the appliances you use. Adjust quantities and run hours as needed.
0 kWhtypical homes| 1000 kWh3000 kWh
0.5 kW20 kW
Backup Duration
How long do outages typically last?
4hours
Where are you?
We'll use local electricity rates and solar data for accurate calculations.
Solar irradiance
5.2 kWh/m²/day
Currency
ZAR
Electricity price
.../kWh
Reference data from public sources. Edit to match your actual tariff. Exchange rates update hourly.
Do you have solar panels?
Estimates are for reference only. Actual system design should be verified by a qualified installer.
Reference: pack-e.com