Think GeoEnergy
Summary
Work on a geothermal heating project has been kicked off with the start of drilling at Vélizy-Villacoublay (Yvelines) on the outskirts of Paris, France near Versailles.
Within a year, Vélizy will have its geothermal station, to heat the equivalent of 12,000 homes. Thursday, August 27, the drilling site was officially launched by the mayor, Pascal Thévenot , the president of the Île-de-France region, Valérie Pécresse , and the Engie solutions teams . The City had to change the system from its current mode of district heating, otherwise the bill would rise sharply for households.
“Pascal Thévenot was a visionary,” emphasizes Valérie Pécresse. It is Vélizy’s DNA to be at the cutting edge of technology. ”
This system will allow Véliziens citizens to no longer be dependent on price increases, recalls the first city councilor. This is a solution so as not to see the price of district heating double within 5 years. ”
After numerous studies, the time has come for drilling. This stage should take place until January 2021 before the construction of geothermal energy for commissioning in November 2021. The drilling is carried out by means of a 40-meter-high device which will drill up to 1,600 m. depth.
The peculiarity of the Vélizy project is that this borehole will be multi-drains. This means that the well will be made up of two drains making it possible to cross the producing levels twice to maximize the drained reservoir. This will promote the recovery of water at 64 degrees C.
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