Day January 30, 2026

Independent field testing reveals back-contact solar panels deliver 2.8-3.2% more energy in cloudy conditions compared to TOPCon. Researchers in Qinghai Province monitored BC modules for a full month, finding 3.16% advantages on overcast days. For distributors and project developers in northern climates, this performance edge translates to meaningful ROI improvements over 30-year system lifetimes.