Image source: Origami Test module in pneumatic test load machine at CFV Test Labs. The solar industry has fought for decades to earn its reputation as the fastest, cheapest way to decarbonize the grid ...

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 ...

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 ...

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 ...

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

Independent testing lab Kiwa PVEL just published the 12th edition of its annual PV Module Reliability Scorecard. The digital ...

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

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 ...

For the first time in the independent testing laboratory’s 12-year history, no single module has achieved the coveted “top performer” rating in all reliability tests, and a record 87% of manufacturers ...

The reliable performance of PV modules is heavily influenced by the climate conditions in deserts, which include factors such as irradiance, temperature, humidity and dust soiling. Image: DEWA R&D. A ...

These are the best solar panels of 2026. If you're considering rooftop solar panels, make sure you choose high-quality equipment.