part translated from: http://www.zoomer.de
A very interesting homepage provides roofray.com Internet service, available with the easy way to calculate, which solar energy is potential of a house roof. Per Google Maps and a command mask for the home address the tool jumps to the desired house and shows the corresponding roof of a bird’s-eye view.
Showing the overall potential, solar energy per square foot and the absolute solar energy, which can be achieved. Even though the tool does not replace solar experts, it could be the first questions when buying a plant satisfy. In addition, it is still possible, its data store, with people from the surrounding area and achieve profitability. http://www.roofray.com/