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What is the recycling process for solar cells and what is the investment return on solar cell recycling?
Release time:
2023-11-10 19:09
The energy industry has been undergoing fundamental changes, and the gradual shift towards renewable energy procurement is evident. However, not all seemingly sustainable things will remain in this state at the end of their lifecycle. At least that's the most common concern about photovoltaic (PV) solar panels. They are a sustainable energy source that relies solely on solar radiation and can power our homes. But what happens if solar panels cannot function effectively? Explore their journey through the recycling process in the information graph below:
Service life of solar panels
How long can solar panels last? A question that most people think of when considering solar panels. According to research, the service life of solar panels is approximately 30 years.
During the lifespan of photovoltaic panels, the power capacity may be reduced by 20%. The maximum decrease in efficiency between the first 10 to 12 years is 10%, while the maximum decrease in efficiency at 25 years is 20%. These numbers are guaranteed by most manufacturers.
Nevertheless, experience has shown that in reality, efficiency has only decreased by 6% to 8% after 25 years. Therefore, the service life of solar panels may be longer than the official regulations. The service life of high-quality photovoltaic panels can even reach 30 to 40 years, and although their efficacy decreases, they can still function normally thereafter.
Disposal of solar panels
From a regulatory perspective, solar panel waste still belongs to the general waste classification. The only exception is at the EU level, where photovoltaic panels are defined as electronic waste in the Electrical and Electronic Equipment Waste (WEEE) Directive. Therefore, in addition to other legal frameworks, this directive also stipulates the management of photovoltaic panel waste.
Solar cell manufacturers are legally bound to meet specific legal requirements and recycling standards when the technology for recycling solar panels begins to emerge, to ensure that solar panels do not pose a burden on the environment.
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