Solar Calculator for Your Roof
Enter the three needed numbers below. You can visit Google Sunroof to get the first two numbers.
All assumptions/default values used in the calculations can be adjusted farther down.
NOTE: The numbers already entered are for our Example Roof. Please do adjust as needed for your own roof.
This calculator has been developed to help you understand the economics of solar by providing estimated costs and benefits for a residential solar photovoltaic (PV) system.
It is not intended to replace a bid provided by a professional solar installer.