As the solar industry pushes for ever-lower costs, larger module sizes and greater energy output, the structural integrity and long-term performance of modules have become critically compromised.

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 ...

“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 ...

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 ...

In the 11th edition, Kiwa PVEL names a total of 50 manufacturers as "Top Performers" in one or more of the tests, with nine manufacturers named as Top Performers with at least one model type listed in ...

The total number of Top Performers remains steady, but failures have increased NAPA, Calif., June 4, 2025 /PRNewswire/ -- Kiwa PVEL, the independent lab for quality and reliability testing of solar ...