Similar to machinery and electronic devices, solar panels can’t perform at 100% capacity for their entire operational time and become less effective as time goes by. So, why do solar panels degrade? There are various factors that affect the degradation speed and rate of solar panels. Some of them are related to manufacturing while others are connected to weather, installation, or maintenance of the solar system.
As time passes, solar cells gradually lose the ability to harvest solar energy and they become less effective than before. This phenomenon is called degradation. Generally, solar panels have a warranty of 25-30 years, and can last depending on the quality of the components, the design, and maintenance. On average, a quality solar panel degradation rate is 0.5-1% annually during its entire lifespan.
Degradation Types:
– Age-related degradation
– Light-Induced Degradation (LID)
– Potential-Induced Degradation (PID)
factors that contribute to the degradation of solar panels
– Quality
– Installation
– Maintenance
Degradation is a normal, unavoidable part of owning solar. Nothing lasts forever, but the lifespan of your solar energy system can be extended if you choose a high-quality product and service from a reliable solar provider.
when considering getting solar panels is to make sure you are working with certified industry experts that are well-aware of proper installation techniques. This way your system will work at the highest efficiency rate and last even beyond its life expectancy.
Periodic maintenance checks and cleaning can also help to prolong the operational time of solar panels. However, it’s important that you work with products and companies that practice proper methods of cleaning and maintenance.
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