Solar Panel Calculator – Select Your Roof and Compare Prices, Savings, ROI & Local Installers!

What do I get from the CompareMySolar Calculator?

Enter your postcode in the orange box below and select your own roof from Google Maps.  We first calculate your solar potential, after which you'll see a detailed comparison of solar panels and local installers:

• Explore the solar potential of your own roof
• View 100+ solar panel quotes online instantly
• Understand savings and payback time, all based on your roof
• Compare local installers based on their experience and reputation
• Choose installers and request free site visits directly online

Is your Solar Comparison Calculator accurate?

• Accurate roof size taken from Google Maps measurement
• Detailed solar irradiation data specific to your location
• Industry standard tilt and orientation factor and shading impact
• Key assumptions for financial returns are adjustable by the user
• Prices are managed by installers and always up–to–date

CompareMySolar is the personal solar calculator that lets you compare options based on your home before you decide to buy. We make comparing solar quick and easy, so get started now!