From €3 to €300: The Opportunity for the Lighting Industry
- Good Light Group
- 1 day ago
- 1 min read
What if lighting were no longer seen merely as an energy issue, but as a key to health, productivity, and well-being?

Photo by Copernico P on Unsplash
In the recent commentary of Jan Denneman in LED professional Review (LpR), he explains how the 3-30-300 rule shows that even a small improvement in human performance and well-being yields far more value than major savings on energy or real estate. Yet the lighting industry still focuses mainly on the €3 for energy, while the largest category, €300 for people, often remains overlooked.
The right light, at the right time, can synchronize our biological clock, improve sleep quality, increase energy and concentration, and reduce stress. That’s not only beneficial for people, but also for organizations and society at large.
Read the full commentary in LpR on page 8 here:
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