Despite historical failure, cylindrical solar tubes may still find a place in BIPV market, say Japanese scientists

Researchers are continuing to develop cylindrical solar cells for building applications, citing their enhanced cooling capability and advantages in reducing temperature-related efficiency losses. A study published in IEEE Access highlighted the ability of cylindrical panels to improve PV performance and reduce power losses compared to flat modules. The researchers developed a regression-based model to predict daily power output and evaluated optimal configurations for wall-mounted and rooftop applications. Future work will focus on durability assessments, deployment studies, and system-level optimization to reduce the cost of electricity in urban solar applications. Additional studies are needed to incorporate real installation conditions, long-term monitoring, weather variability, and advanced thermal modeling.

https://www.pv-magazine.com/2026/07/24/despite-historical-failure-cylindrical-solar-tubes-may-still-find-a-place-in-bipv-market-say-japanese-scientists/