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

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

Damage to a relay contact after cyclic current loading. A better understanding of inverter reliability will help boost performance and reduce costs. Image: Fraunhofer IMWS. Inverters are critical to ...

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

Solar modules from Trina Solar, Canadian Solar, and Felicity Solar were tested in a prototype of a photovoltaic-thermal collector that uses excess heat from the PV elements to heat water. The system ...

No electricity provider in the world can guarantee an electrical supply that is free from voltage and frequency variations. The possibility of faults occurring in user installations or in the public ...

Advanced testing and characterization enable engineers to improve the performance, efficiency and reliability of silicon ...