Copenhagen Launches Major Energy-Saving Lighting Project

Published on May 12, 2025

Copenhagen has begun a large-scale lighting upgrade aimed at cutting electricity costs by over 50%. Over the next four years, Signify and Poul Sejr Nielsen will replace traditional lighting with energy-efficient LED systems across 280,000 square meters, including schools, hospitals, libraries, and sports facilities.

The first phase will cover 48 locations, where 160,000 fixtures will be switched to wireless, smart-controlled lighting. The project complies with EU RoHS directives, banning mercury-based lights in favor of more sustainable LED alternatives.

The upgrade is expected to significantly reduce energy use while minimizing operational disruptions. The new system should also incorporates 3D-printed fixtures to lower transport emissions and inventory costs.

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