Free rooftop assessment tool
How much can your roof
generate?
Enter your rooftop area and see your projected capacity, yearly savings, and environmental impact — instantly.
Roof details
Square metres (m²)
Square feet (ft²)
RCC / Flat
Shed / Sloped
MT3
HT3
Based on GGI rooftop solar methodology.
Figures are indicative — contact GGI for a full site assessment.
Solar potential
Enter your roof area, select options, and set a discount percentage to see your solar potential.
Ready for a detailed proposal?
Get a free, no-obligation site assessment and customised quotation from our solar engineers. We'll visit your site, assess shading, structural load, and grid connection — and send you a full financial model.