Geothermal Companies in France

Sogetha, a subsidiary of Dalkia (EDF group), develops geothermal energy solutions and renewable heating systems in southeastern France. Provides installation, maintenance, and energy performance services for heating, ventilation, and cooling systems.

French independent operator building, developing, and operating urban heating and cooling networks powered by local renewable energies for municipalities and industries across France.

French multi-disciplinary cluster of large corporations and specialized companies in geothermal engineering and power plant EPC, supporting geothermal development across the value chain.

Foralpes specializes in vertical geothermal boreholes and aquathermie installations in the Grenoble region. Since 2014, the company has completed over 30,000 meters of geothermal drilling and 200+ installations for public and private sectors.

EDF subsidiary providing energy services across France and internationally. Develops renewable and recovered energy sources while helping clients achieve energy savings and CO2 reduction through district heating networks, heating systems, and energy efficiency solutions.

German heating and hot water systems manufacturer operating for over 140 years. Produces heat pumps, boilers, and integrated heating solutions with focus on renewable energy, energy efficiency, and environmental sustainability.

Engineering and services company specializing in industrial geothermal energy for heating and power generation. CFG supports companies and local authorities in developing and monitoring geothermal projects across France and internationally.

Inddigo is a French consulting and engineering firm that has supported ecological transition for over 35 years. With 400+ employees, it provides systemic solutions across renewable energy, circular economy, sustainable urban development, and industrial decarbonization for public and private organizations.

Independent French engineering and consulting group specializing in geosciences, geotechnics, environmental remediation, hydrogeology, geothermal energy, and structural engineering across 170 employees and 11 locations.

Energie Verte de Garges operates a district heating network powered by geothermal energy serving residential, commercial, educational, healthcare, and public facilities in the Paris region with 100% decarbonized energy solutions.

C4E Technologie is a French systems integrator specializing in building automation (GTB), HVAC controls, geothermal energy projects, and fire/gas detection systems. Founded in 1980, it serves energy managers, developers, and building operators across Île-de-France with design, installation, and maintenance services.

French state-owned equity investment fund supporting innovative infrastructure projects in ecological transition, including renewable energy and energy efficiency. Managed by ADEME with €400 million in funding.