The service life of the solar panel

The service life of solar panel is determined by the materials of cells, tempered glass, EVA and TPT. Generally, the service life of solar panels made by manufacturers who use better materials can reach 25 years, but with the impact of the environment, the materials of solar panels will age with the change of time. Generally, the power will be reduced by 30% in 20 years and 70% in 25 years.