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

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 global solar boom has introduced a new urgency around asset durability, performance, and risk. As utility-scale solar farms become more common, so do the invisible defects that compromise ...

A new hail test for solar panels shoots small to large hailstones at solar panels while aimed to more accurately determine the panel’s breaking point. Introduced by VDE Americas, the “Hail Resiliency ...

Is investing in solar worth it? How I'm maximizing my panels' lifespan and savings ...