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  • Our solutions
    • Producing as closely as possible to your needs
      • Decarbonisation of industrial utilities
      • Energy from Waste plants
      • District Heating and cooling network
    • Managing your energy use
      • Energy Performance Contract
      • Multi-technical and facility management services
      • Energy policies and management
      • Solar energy infrastructure
      • Equip your car park with a charging point with Idex
      • Installation works
      • Surface geothermal energy (or GMI in its French acronym)
      • Connected parking: a 2-in-1 solution for your company car park
      • Decarbonising heating with a heat pump
      • Connection to heating and cooling networks
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Founded in France in 1963, the Idex Group develops, designs, finances, builds and operates local, low-carbon energy infrastructure to supply heat and electricity for buildings, cities and industry.

With revenue of €2.1 billion in 2025 and 6,400 employees, Idex is the only vertically integrated operator on the market today with a presence across the entire local energy value chain. Its activities range from the production of thermal or electrical energy from local, low-carbon energy sources (waste, biomass, geothermal, solar) to the distribution of this energy through heating and cooling networks, and the optimisation of its end use in industrial, residential and commercial buildings.

In summer 2025, Idex became a mission-driven company. A milestone in its development that reflects the Group's ambition to make a positive impact on the planet and on society as a whole.

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