Carbon LED, LED lights for sustainable greenhouses

The challenge

LED lights are far more energy efficient than conventional filament lamps. At the moment, about a third of all greenhouses are still using traditional lighting. A full transition to LED-based systems could save up to 3 megatons of CO2per year. However, growers will only be stimulated to make the transition to LED lighting once they know how the light will affect the greenhouse’s climate and the growth of crops.

The solution

In the Carbon LED project, Wageningen University & Research, Bayer CropScience (Nunhems), Signify (before: Philips Lighting), INRA, and Startlife joined forces to design energy-efficient LED lighting systems for greenhouse horticulture. In an experimental tomato greenhouse, they studied the adaptations needed in the growing and climate management systems. Growers where involved every step of the way.

The test results suggest that by optimizing the LED lights, climate control systems and plants, the production of tomatoes could improve with up to 25%. At the moment, the initial investment costs are holding back growers to switch to LED lighting systems. Therefore, Carbon LED is also exploring the possibilities of lease constructions.

The impact

The Carbon LED project has provided fresh new insights in the use of LED lighting to reduce energy consumption in greenhouse horticulture. The results make clear that a switch to LED light can decrease greenhouse tomato growers’ carbon footprint by about 45%.

EIT Climate-KIC’s role

EIT Climate-KIC financed the Carbon LED project and brought together the project and knowledge partners.

Media

https://youtu.be/pspQDL8yHWc

 
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