UVID, or ultraviolet-induced degradation, has been an important issue in modern solar cell and module manufacturing. Kiwa ...

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

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

Lab-tested solar module performance has improved over the last year, according to data from US-based technical advisory firm Renewable Energy Test Centre (RETC). In its 2025 PV Module Index Report, ...

One-year perovskite solar module testing shows promising outdoor stability Scientists at the European Commission Joint Research Centre tested two single-junction perovskite modules outdoors for one ...

This recognition highlights the exceptional quality and reliability of their N-Type TOPCon bifacial modules. The award ...

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 ...

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 ...

Silfab Solar, North America's leading PV module and cell manufacturer, has received a "high achiever" award as a top-tier ...

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