Solar module is an important part of the solar energy system. Solar module power attenuation refers to the phenomenon that the output power of the PV module gradually decreases with the increase of the illumination time.

Some common quality problems in the production process of solar panel are also the main reasons for the power attenuation of module in the power generation process.

1. Silica gel and EVA residues on the light-receiving surface of the module have not been cleaned in place, causing the adhesion of outdoor dust, which is easy to cause hot spots to damage the module

2. When the cell is soldered, the improper use of the flux will cause the EVA to react with the flux, forming a large number of white spots on the surface of the panel. And the power of the module will be greatly reduced.

3. There are obvious bubbles in the module. After long-term use, the area of the bubbles will increase or even continuous bubble channels will be formed, which will cause the power of the module to drop and eventually make the module unusable.

Corigy’s solar energy system choose high quality Jinko solar panel which is a top brand and equipped with a profession production process. The long life of the panel can reduce the cost of the maintenance.