Research shows polycrystalline panels from 11 different producers degrade more than warranty rate

A research group in Ghana has conducted a series of tests to assess the performance of polycrystalline solar modules in PV systems operating in their home country for at least 5 years. They found that the vast majority of the panels may "fail" before 20 years in operation under outdoor conditions.Researchers at the University of Energy and Natural Resources (UENR) have assessed the performance of different polycrystalline solar modules coming from 11 undisclosed manufacturers and installed under the same warm and humid climatic conditions in Kumasi, Ghana. Their work analyzed, in particular, 48 ...

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