Applying multiple energy saving innovations is key

Applying multiple energy saving innovations is key

The Dutch greenhouse horticulture sector has the ambition to be climate neutral by 2040. At the same time, gas prices peaked to 800% of the original price in 2021. There is therefore a need from the market for an affordable (sustainable) alternative to meet the total energy demand for both cooling and heating and to reduce associated energy costs. During GreenTech Amsterdam, Thermeleon and BBBLS Energy Saving Greenhouses discussed possible solutions in the Technology Theater.

During the session 'Save energy by applying new innovations and solutions', managing director Anton Paardekooper of BBBLS (https://www.bbbls.net/) and director Jildou de Jong of Thermeleon (https://thermeleon.nl/) discussed the opportunities they can offer growers to save energy in the greenhouse. BBBLS developed a sustainable greenhouse with double paned roof and wall with large panes. When climate, weather or daylight requires it, soap bubbles fill the space between panes and boost insulation by 10 times. When insulation is not required anymore, the bubbles are removed to permit maximum light transmissions. Thermeleon has developed a heat battery that increases the energy efficiency of greenhouses. By strategically storing the surplus of heat during the day, the product offers sustainable heating at night. The result is a significant reduction in energy demand and a more sustainable greenhouse. These are two innovative tools that could offer a solution for growers, according to De Jong and Paardekooper.

Save up to 80% on energy input
"At BBBLS we are a firm believer in the Trias Energetica: first save as much energy as possible, then fill in the remaining demand using renewables and only use fossil fuels if there is no other option available", says Anton Paardekooper of BBBLS. "We directly apply this first step in our greenhouse design. Using an innovative method of soap bubble insulation, we can save up to 80% on energy input compared to current high-tech greenhouses. Because our energy demand is dramatically lower than the current standard, we can operate the greenhouse fully electrical with energy from renewable sources, achieving climate neutral operations."

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Photo Courtesy of GreenTech

Source: GreenTech

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