Kiwa PI Berlin released its latest report reviewing the quality of solar panel manufacturers, noting that new production regions (especially the United ...

PV module defects are increasing as manufacturers struggle to achieve consistent quality through robust bill-of-materials and process controls.

Researchers at SUPSI found that six Swiss PV systems installed in the late 1980s and early 1990s show exceptionally low degradation rates of just 0.16% to 0.24% per year after more than 30 years of ...

UV degradation was among the three most common test failures from Kiwa PVEL’s module testing this year. Image: Kiwa PVEL. As the year comes to a close, there is no doubt that this was the year of ...