“Four years ago, that was at 50% and it’s steadily increased since,” said Tristan Erion-Lorico. Image: Kiwa PVEL. A total of 83% of module manufacturers have had at least one test failure in the Kiwa ...

Catastrophic-type glass breakage in PV modules. Image: Valentin, D. et al. 2022, “Failure investigation of a solar tracker due to wind-induced torsional galloping”. In recent years PV modules have ...

The Module Reliability Scorecard, published annually by PV module testing laboratory Kiwa-PVEL, released its 11 th edition today. The scorecard summarizes the results of extended reliability testing ...

NAPA, Calif., June 4, 2025 /PRNewswire/ -- Kiwa PVEL, the independent lab for quality and reliability testing of solar photovoltaic (PV) modules, today announced the publication of its 11 th annual PV ...

Clean Energy Associates has investigated glass breakages at utility-scale solar sites across three continents. It has found that there isn’t a single root cause, but a perfect storm: thinner glass ...