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Dutch greenhouses at the forefront of geothermal technology

Thu 29/03/2018 by Richard Wilkinson
Greenhouse_tomatoes

Twelve greenhouse farms in the Netherlands are already using geothermal energy to heat their greenhouses, with a further four set to implement the technology. With their high light transmittance and higher insulation value, the greenhouses require far less heating energy than that required by conventional structures. The results obtained by early adopters, such as Ter Laak’s sustainable greenhouse in Kasalsenergiebron, are reported to be extremely positive. The crops require less heat due to the double covering and better humidity control, leading also to a higher cultivation speed and an energy saving of at least 40%.

Despite the strict rules that must be observed, geothermal energy is today considered by some to be the best option for greenhouse horticulture. After a lead-up lasting years and teething problems during the first few weeks of start-up, the first heat from the Vierpolders geothermal source was delivered to nine participating greenhouse horticulture businesses at the end of January 2016.

 

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