Solar System Calculator
Estimate a starting system size using your appliance list or electricity bill. Tune the sunshine estimate, backup days and safety margins before reviewing the results.
⚙️ Design Your Solar System
Set sunshine hours, autonomy and safety margins, then add appliance quantities, wattage and daily hours to size your solar array and battery bank.
System sizing settings
Choose the site sunshine estimate, battery backup period and design margins used for the appliance calculation.
Size from your electricity consumption
Enter the kWh shown on your bill or meter and choose the period it covers.
Uses the sunshine, autonomy and safety margins selected above. Monthly and yearly values use 30 and 365 days. Running load is estimated from energy use; use the appliance list below for the combined wattage of your actual loads.
| Appliance | Quantity | Wattage (W) | Hours/day | Action |
|---|
Kindly note that quotation may vary from calculated results.