New research from the University of New South Wales highlights the significant impact of UV radiation on PV module degradation, with tropical and desert regions facing the highest stress. The study emphasizes the need for climate-specific testing and system design to accurately assess reliability. The researchers developed a global UV irradiance model that shows varying degradation rates based on deployment location and system design. Single-axis tracking systems in high-irradiance regions can experience up to 1.5 times more UV radiation and higher degradation rates compared to fixed-tilt installations. The study underscores the importance of considering UV exposure, temperature, humidity, and atmospheric conditions in assessing PV module performance. The article discusses the impact of UV-induced degradation on photovoltaic systems in arid and tropical climates, with rates reaching about 0.25-0.35% per year. A high-precision model to estimate UV radiation in PV systems was presented in the paper "Closing the UV-Induced Photodegradation Gap Through Global Scale Modeling of Fixed Tilt and Tracking Photovoltaic Systems." The study aims to connect fundamental degradation mechanisms with system-level impacts, combining accelerated testing with modeling to quantify energy yield losses in diverse climates and system designs. This research is part of a broader effort to understand how degradation affects real-world energy production in photovoltaic systems.