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

Most traditional EL testing devices for photovoltaic inspection adopt a split-type structure. With separated optical modules, ...

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, ...

For small and medium-sized PV manufacturers, mismatched production procedures and incomplete quality checks are primary ...

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 ...

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

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 ...

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

The 100 cm² mini-module, featuring the company’s proprietary 4-terminal perovskite glass layer atop a high-efficiency Maxeon ...

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 ...