
LED lighting retrofit for the administration of the State of Brandenburg
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GLT TUBE Count272
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Annual power savings76,032 kWh
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Annual operation hours3,640 h
The Challenge
The Ministry of Economic Affairs, Research and Culture of the State of Brandenburg faced rising energy costs and increasing maintenance due to outdated T5 and T8 fluorescent lighting systems. At the same time, there was a clear need to modernise the lighting in ministries and administrative buildings — ensuring energy efficiency, durability and sustainability in public facilities.
The Solution – LED Retrofit with the GLT LED TUBE
Key advantages of our LED lighting for offices and administration:
- Efficient LED retrofit: 272 old fluorescent tubes were replaced 1:1 with GLT LED TUBES – without any modification to the existing fixtures.
- Higher light output, fewer luminaires: Improved efficiency allowed for fewer lamps and a further reduction in energy consumption.
- Fast payback: The investment paid off after just 10 months.
- Significantly lower operating costs: Both energy use and maintenance were noticeably reduced.
- Sustainable lighting for administrative buildings: Long-lasting LED tubes ensure an environmentally friendly, maintenance-free and future-proof solution.
Key Benefits & Advantages

Best, healthy
light for offices
and corridors

1:1 replacement
without modification
(IEC EN 62776)

Nearly
maintenance-free
LED lighting

Scientifically
EPD verified
and ESG compliant
Conclusion
By replacing fluorescent tubes with GLT LED TUBES, the State of Brandenburg implemented a flagship project for efficient and sustainable lighting in public buildings. The modernisation led to significant energy savings in office facilities, improved lighting quality across all areas, and created a future-proof solution for ministries and administrative departments
Customer Testimonial

"By switching to GLT TUBES, the Ministry of Science, Research and Culture of the State of Brandenburg was able to reduce CO₂ emissions by 31 tonnes per year."
Ministry of Science, Research and Culture of the State of Brandenburg.
Learn more about the LED tube used –
GLT LED TUBE++
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