Find out which direction is right for your photovoltaic solar panel!
1️⃣ A good sized residential solar system (eg 5kW with 15 AE solar modules) can be installed on 30m² on the roof. Square footage is length times height, so 15x2m has 30m² of roof. A good roof would be a rectangle. We design solar power systems for all types of roof configurations.
2️⃣ Sun rises in the east, rises sloping to the north, and sets in the west. So if you have a north-facing roof and there are no shadows on this part of the roof, then you should install your photovoltaic solar panel on this face. This way your solar generator will produce more energy.
It is okay to install a photovoltaic system that is not in its ideal position and / or angle, but of course its efficiency will be less efficient.
3️⃣ Trees over 15 feet in your home will almost certainly provide shade on the roof during the day. To measure the shade of your roof, use a general rule that trees cast a shade about 3 times their height. Also, shadows are longer during winter as the sun is lower in the sky, so a shade-free roof in summer will not necessarily be shade-free in winter.
Visit the site www.sunergia.com.br and learn more about photovoltaic solar energy!