Image: Warehouses De Pauw
Belgian logistics specialist WDP has deployed an 8.5 MW solar power system at a warehouse in Heppignies, Belgium, near Brussels-Charleroi Airport, with around 5,000 of the 12,000 modules fitted with anti-reflective films from German company Phytonics to comply with air traffic safety regulations.
The installation was approved after potential glare effects were assessed during planning and measures were taken to meet the requirements of the Belgian Air Traffic Control Agency Skeyes and the Belgian Civil Aviation Authority (BCAA).
Approximately 40% of the module surface was identified as potentially reflective, despite careful orientation of the panels. Phytonics films were applied on site, but pre-coated modules or pre-cut rolls can also be used, with technical support recommended for optimal results.
The problem of glare has received attention following the dismantling of around 78,000 solar panels at Amsterdam Schiphol Airport in December 2024, and similar regulations exist near roads and railway lines in Germany.
Phytonics CEO Ruben Hüning said several other projects near airports are now using the films, which have been commercially available since 2024.
The films reduce glare while maintaining performance. Perpendicular sunlight provides 95% to 97% of rated power, and oblique sunlight can increase energy production slightly. WDP said the annual difference in generation is minimal, while safety improvements for airport operations are significant.
Ruben Vandam, energy and sustainability manager at WDP, said that rooftop PV systems are a fundamental part of the company’s sustainable energy strategy and that full use of roof space, even in operationally complex locations such as airports, is critical to achieving sustainability goals.
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