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Project description geothermal energy Vinzel

The Swiss Seismological Service (SED) at ETH Zurich performs the baseline seismic monitoring of deep geothermal projects in canton Vaud for the canton's Direction Générale de l'Environnement (DGE) in the framework of the GEOEBST2020+ project, which is funded by the Federal Office of Energy (SFOE). As part of this project, installed two additional seismic stations to monitor the geothermal project in Vinzel (Vaud) in the La Côte region. The seismic monitoring aims to improve knowledge about natural, local seismicity before the borehole is sunk (work will start mid-2022) and the plant becomes operational. The monitoring should also help detect earthquakes quickly and accurately to help clarify whether they are associated with the geothermal project or are instead of natural origin.

EnergeÔ plans to implement several deep hydrothermal geothermal projects in the La Côte region. In a first phase, the geothermal projects are aimed at an aquifer in Middle-Jurassic limestone, which are expected to be reached at a depth of approximately 2’300 m, and fault zones therein. EnergeÔ expects to encounter thermal water with a temperature of 80°C and to reach production rates between 30 l/s and 70 l/s.