“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 ...

Independent photovoltaic product testing laboratory Kiwa PVEL has released the 2026 version of its PV Module Reliability Scorecard, which reveals the performance of solar modules submitted by ...

While 19 manufacturers received recognition as high achievers in RETC’s 2026 testing sequences, problems with ...

Kiwa PVEL has rolled out major updates to its module testing programme, with two of the most important changes affecting Static Mechanical Load (SML) and hail testing. Image: Kiwa PVEL. Field claims ...