Tree Shading Solar Panels

California s solar shade control act.

Tree shading solar panels.

As solar continues to grow trees shading solar installations is becoming more and more of a problem. Most states have few if any solar access laws especially in regards to shading from trees. But i d definitely consider putting some more panels on the little second north facing roof. Shade from features in the immediate surroundings of your home can greatly affect the level of solar radiation reaching your panels.

It protects homeowners investments in solar panels which can cost tens of thousands of dollars. Only a handful of areas such as california wisconsin and ashland oregon have shading specific solar laws. A tree planted 50 feet from the house decreases solar gain more than one planted 100 feet from the house because it shades more of the house. Complaints are arising from an obscure state law known as the solar shade control act.

Journal of sustainable real estate. Trees and buildings or other landscape features such as hills can block incoming radiation and cast a shadow reducing the usable solar radiation. A renewable energy laboratory study found that shadows over pv photovoltaic panels reduce power production by one third. There s no denying that solar panels do not operate as well under shade.

Allow for the tree s root growth and canopy spread when. However as we outline below proper tree placement and pruning can allow solar panels to function in proximity to shade trees. Researchers are aware of the problem and are looking for ways to boost productivity in shady conditions.