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Solar Size Calculator
Find the right kW for your home or business.
Size Your System
Your Requirements
- Recommended Size
- kW
- No. of Panels
- Roof Area Needed
- sq ft
- Estimated Cost
System Sizing Guide
A well-sized system maximises your investment. We use 400W panels as our standard.
- ✓ Residential: typically 3–10 kW
- ✓ Commercial: 10–100 kW
- ✓ Industrial: 100 kW+
- ✓ Each 400W panel needs ~65 sq ft