Recent research published in EPJ Photovoltaics has shed light on the performance of bifacial photovoltaic (PV) modules, which capture solar energy from both sides of the cells. This innovative technology is gaining traction as manufacturing costs for bifacial modules are becoming comparable to those of traditional monofacial panels. The study, led by Ghafiri Soufiane from L2EP at the University of Lille, focused on optimizing the power generation capacity of these bifacial modules in a Canadian climate, specifically in Sherbrooke.
The research utilized local irradiance data from Razon+ and satellite-derived data from Solcast to create a power production model for the bifacial modules. This model was rigorously tested over a full year, with a keen focus on seasonal variations, particularly the challenges posed by snow coverage during winter months. The findings indicate that while the model performed well in spring, summer, and fall, it struggled with winter accuracy. “To enhance winter accuracy, we incorporated snow coverage, which improved the accuracy by 51.1%,” said Ghafiri. This adjustment is particularly significant for regions that experience heavy snowfall, as it directly impacts the efficiency of solar energy capture during colder months.
The implications of this research are substantial for the energy sector. With the growing interest in renewable energy sources, optimizing the performance of bifacial PV modules can lead to increased energy production and efficiency. This is especially relevant for commercial solar projects where maximizing output is critical for profitability. As bifacial technology becomes more accessible, businesses can capitalize on its advantages, such as improved energy yield and reduced land usage due to the dual-sided energy capture.
Furthermore, the study evaluated different modeling techniques, including ray tracing and a 2D view factor model, ultimately selecting the more computationally efficient method. This choice not only enhances the practical application of the model but also suggests that similar approaches could be used in future research and commercial projects.
As the energy landscape continues to evolve, studies like this one provide valuable insights that can help stakeholders make informed decisions about solar technology investments. By understanding the performance dynamics of bifacial PV modules, companies can better strategize their energy solutions, ultimately contributing to a more sustainable future.
