JinkoSolar’s LightRoof Modules Combine Lightweight Design and Anti-Glare Features with 45 Percent Weight Reduction
JinkoSolar has launched its first lightweight anti-glare solar modules, branded as LightRoof. The new modules are designed to address key challenges in Japan, including limited rooftop load-bearing capacity, strict light pollution regulations, and a shrinking installation workforce.
March 26, 2026. By News Bureau
Addressing the practical constraints of limited load-bearing capacity on a large number of existing roofs in Japan and the aging installation workforce, the new product takes lightweight design to new heights. While conventional modules of the same size weigh 24 kg, this lightweight module weighs only 13 kg, representing an overall weight reduction of 45 percent.
This performance significantly outperforms some lightweight glass solutions, allowing a single person to handle both transportation and installation. This not only enhances construction efficiency but also opens up technical feasibility for PV installation on a wider range of low-load-bearing roofs.
Regulations on light pollution in densely populated residential areas and near airports and major transportation routes are key hurdles for the implementation of PV projects in Japan. The module surface features a special anti-glare coating and embossing process, and is tested under laboratory conditions compliant with the JSZ8741 standard, resulting in a gloss level below 1.5 GU, far exceeding Japan’s anti-glare subsidy requirement of 7 GU. Whether installed on sloped roofs or street-facing facades, the system minimises ambient light reflection, effectively avoiding visual interference for nearby residents and traffic, and ensuring the harmonious coexistence of the PV system with the surrounding community.
In response to reliability disparities among the diverse technical approaches for lightweight modules, JinkoSolar adheres to an all-glass encapsulation technology route. This ensures structural strength and safety performance throughout the module’s entire lifecycle while achieving extreme weight reduction.
Balancing safety and efficiency is the fundamental principle for the deep integration of photovoltaics into society. In Japan, photovoltaic systems must not only contribute green electricity but also serve as a safe and user-friendly component of urban infrastructure. JinkoSolar’s lightweight anti-glare modules, through their “lighter, safer, and more user-friendly” design philosophy, address the cautious expectations of densely populated areas for green energy. This marks the evolution of distributed photovoltaics from a standalone energy device to urban infrastructure that integrates architectural aesthetics, community friendliness, and personal safety.
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