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 ...

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 ...

Spain's Enertis Applus has launched a new unit of its mobile laboratory in Australia after rollouts to Brazil, Chile, Mexico and Europe– markets where the company already operates mobile laboratories ...

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, ...

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 ...

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