The rapid development of the photovoltaic industry has raised higher requirements for module quality control, and traditional ...

In the photovoltaic industry, where long-term reliability directly impacts project profitability, non-destructive testing has become a cornerstone of quality assurance. Solar modules, exposed to harsh ...

Image source: Origami Test module in pneumatic test load machine at CFV Test Labs. The solar industry has fought for decades to earn its reputation as the fastest, cheapest way to decarbonize the grid ...

The Renewable Energy Test Center (RETC) released its 2024 PV Module Index report, evaluating the reliability, quality, and performance of solar panels. Solar modules are put through a variety of ...

Hail durability testing saw a decline in ‘high achiever’ results from 70% to 27% between 2025 and 2026. Image: Marian Heinkel ...

RETC, part of the VDE Group, has released its 2026 PV Module Index (PVMI) Report, which features 19 solar panel manufacturers ...

FREMONT, Calif.--(BUSINESS WIRE)--VDE Americas and RETC, part of the VDE Group, today introduced the Hail Resiliency Curve (HRC) Test, a groundbreaking test protocol designed to evaluate solar panel ...

“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 ...

Every solar panel company makes bold claims about its panel efficiency, maximum wattage availability, temperature coefficient and other specs in optimal conditions. Anyone who does product testing ...

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 ...

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

Can solar panels survive a hailstorm? This experiment showcases ice falling from above to determine what breaks first: the ...