Once you make the right choice to go solar, you now have to decide on which solar panels to install. There are two main types of solar panels: the first is monocrystalline solar panels. The cells on a monocrystalline panel are made from a single silicon crystal. These panels are higher-end and more efficient than the second type, polycrystalline solar panels. Polycrystalline panels are also made from silicon, however, instead of being made from one single crystal of silicon, they are made by melting together many fragments of silicon. Although polycrystalline panels are less efficient, they are typically less expensive.
Additionally, the overall performance of the panel is very important. Performance can be determined by power and efficiency. First, power, measured in Watts (W), is the panel’s output under ideal conditions. Second, efficiency is how well the panel converts sunlight into electricity. Power and efficiency tell how much electricity the solar panel system can produce as a whole. The efficiency of solar panels will degrade over time, the lower the degradation ratio the better, but many panels have new technologies to minimize this drop in efficiency. Generally, you will see the largest efficiency reduction in the first year after installation, but this reduction will be less in later years. Also, you may want to take into consideration other factors, such as warranty, temperature coefficient, and their resilience, depending on where you are looking to install panels.