The 2026 PV Module Index Report evaluates photovoltaic modules using extended stress testing designed to identify reliability and performance risks that may not appear in standard certification ...

For the first time in the independent testing laboratory’s 12-year history, no single module has achieved the coveted “top performer” rating in all reliability tests, and a record 87% of manufacturers ...

The reliable performance of PV modules is heavily influenced by the climate conditions in deserts, which include factors such as irradiance, temperature, humidity and dust soiling. Image: DEWA R&D. A ...

This year’s Scorecard results had 43 manufacturers named as “Top Performers” in at least one test. Image: Kiwa PVEL. For the fourth year in a row, Kiwa PVEL’s 2026 Module Reliability Scorecard ...

Researchers at Ritsumeikan University in Japan have tested a new type of polyethylene terephthalate (PET) front sheet and related encapsulation methods to improve durability of copper indium gallium ...