The number of solar panels needed for a home is not a fixed number, it depends on a variety of factors.
First of all, an important factor is the electricity needs of the house. This includes daily electricity needs such as lighting, televisions, washing machines, and other equipment. Usually, a solar panel system for home use consists of 10-20 solar panels that can meet the daily electricity needs of most households. However, if the house has large electricity needs, such as having a large number of appliances or having to charge an electric car, then the number of solar panels needed may be higher.
Secondly, the size and power of solar panels will also affect the number needed. Solar panels of different brands and specifications have different areas and wattages. For example, a well-known brand of 200W solar panels has a size of about 1.28 square meters, while a 100W solar panel has a size of about 0.6323 square meters. Therefore, when deciding how many solar panels you need, you need to consider the specific characteristics of the solar panels you are using.
In addition, the number of solar panels can be influenced by factors such as the method of installation and geographical location. For example, if the installation site is in the shade or the sun is exposed to the sun for a short period of time, more solar panels may be needed to get enough power.
Thus, to determine how many solar panels you need for your home, you need to consider many factors, such as energy consumption, size and wattage of solar panels, installation method, and geographical location. Therefore, it is recommended to consult with a professional solar installation company or engineer for more accurate advice before proceeding with specific planning and installation.