Introduction: Gain insights into the service life and durability of photovoltaic panels, including their usable lifespan and the possibility of continued usage after the stated service life. This article provides detailed information on these aspects.
1. Service Life of Photovoltaic Panels
Typically, photovoltaic panels have a service life ranging from 20 to 35 years. The service life can vary depending on the material used, with options such as monocrystalline silicon and polycrystalline silicon. Constructing a photovoltaic power station with high-quality and high-specification materials can extend the service life.
2. Usable Lifespan of Photovoltaic Panels
Generally, photovoltaic panels can be used for more than 10 years, with proper maintenance helping to extend their usable lifespan.
3. Replacement Timing for Photovoltaic Panels
Photovoltaic panels usually require replacement after 25 to 30 years of use. Although reaching the 25-year mark does not necessitate immediate retirement, the power generation capacity may decline to around 80% of the initial output. If you are willing to accept the reduced power generation, the panels can continue to be used after their service life.
4. Maintenance Methods for Photovoltaic Panels
1. Regular inspection of metal support structures: Periodically check for corrosion in metal support structures and apply anti-corrosion treatments such as painting. Ensure proper grounding.
2. Photovoltaic parameter monitoring: Regularly monitor the optical and electrical parameters, as well as the output power of the solar panels, to ensure their proper operation.
3. Encapsulation and junction inspection: Regularly inspect the encapsulation and junctions of solar panel modules. If issues like sealant failure, water ingress, discoloration of the solar cells, loose junctions, detachment, or corrosion are detected, promptly carry out repairs or replacements.
4. Tracking system inspection: For solar panel support structures equipped with azimuth tracking systems, regularly check the mechanical and electrical performance of the tracking system.
Photovoltaic panels generally have a service life of 20 to 35 years, which can be extended with proper maintenance. Even after their service life, the panels can still be used, with a potential reduction in power generation. Regularly inspecting the metal support structures, photovoltaic parameters, encapsulation and junctions, and tracking systems can ensure the normal operation of the solar panels.
If you have further questions regarding solar photovoltaic power generation, feel free to consult us. We are dedicated to providing answers and assistance.
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