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How long is the lifespan of solar panels? The lifespan of solar panels is determined by factors such as their power generation efficiency, temperature, environment, and dust in the air.
In general, the degree of bonding between the PN junction of a solar panel and the purity of the silicon wafer determine the intensity of electricity generated by the solar cell under the same light irradiation.
As time goes by, the PN junction will continue to break, resulting in a continuous decrease in efficiency. After 10 years, the conversion efficiency will be over 90%, and after 25 years, it will decrease to around 80%. Therefore, the lifespan of solar cell modules is basically over 25 years.
Of course, the lifespan of solar panels can also be shortened in harsh usage environments. It is best to use it within the range environment it is calibrated for.
Service life of solar panels: 10 years, output power attenuation not exceeding 10%; The output power attenuation of the component shall not exceed 20% after 20 years of use
The actual service life of general components exceeds 25 years!
Usage precautions: 1. Pay attention to maintaining the cleanliness of solar cell modules
2. The higher the temperature of the component, the lower the power consumption
When the inclination angle is about 15 degrees above the latitude of the installation site, the maximum power generation of the solar cell module is achieved
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