Onyx Solar® has developed a new tool to calculate the ROI in different cities around the world.
It is as easy as choosing a city, a technology (crystalline or amorphous silicon), and a constructive solution (curtain wall, full envelope or skylight) to get the return on investment and the CO2 emissions avoided.
You could find this useful app on our website, or download it for free in Apple Store or Play Store. Check the results anywhere with your smartphone.
You could find the complete Feasibility Studies of your city in this map.