Don Cowan and Mahyar Mohammadnezhad of Kiwa PI Berlin explain the importance of upstream diligence in ensuring long-term PV performance.

The Renewable Energy Test Center (RETC) has released its 2025 PV Module Index, assessing solar module reliability, quality, and performance across industry benchmarks. The report highlights ...

“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 ...

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 ...