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, ...

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

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, ...

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

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 ...

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

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

The module achieved a full-panel conversion efficiency of 29.2% in testing by Germany’s TÜV SÜD and is designed for mass ...

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 ...