Drilling work has started for a geothermal doublet that will supply the Meudon-la-Forêt heating network in the city of Meudon in the Hauts-de-Seine department of the Île-de-France region, France. The drilling operations are expected to continue until September 2026. Construction of the heating plant is then scheduled for 2027.
The project envisions the transition of the Meudon-la-Forêt heating network from a gas-fired boiler that had been built in 1961. When operation, geothermal energy will be supplying the district heating network with 83% renewable energy, thus reducing CO2 emissions by 17,700 tons annually. No fewer than 7800 homes and public facilities will be supplied with geothermal heating. The project had initially been announced in 2022, as reported by ThinkGeoEnergy.
The project is being undertaken by GéoMeudon, a joint stock company between ENGIE Solutions (90%) and the city of Meudon (10%). ENGIE is investing EUR 36.8 million in the project aided with subsidies from ADEME and the Île-de-France region.
The geothermal doublet will be drilled to a target depth of over 1500 meters. Thermal waters at about 64 °C are expected to produced from the production well. There will be various sensors installed around the drilling site to allow for real-time monitoring.







