We need your approximate location, so we can give you accurate solar irradiance figures for your area. To protect your privacy, your exact co-ordinates are not recorded.
Please select a location n the map
In which direction will your panels be facing? Ideal direction is South in the Northern hemishpere and North in the Southern hemisphere.
Many residential roofs are around 22°. Steep roofs can be up to 45°
Your electricity consumption in Units (kWH) will vary according to the season and your usage patterns, but just input a figure that is an average monthly use.
How many hours of battery backup do you want when there is no solar or grid power available? Select 0 if you don't need battery backup.