France's district heating networks have expanded to cover 8,395 km in 2025, with 79% of capacity still unexplored.
District heating growth in France
District heating networks in France have grown to include 1,073 units covering 8,395 kilometers as of 2025. These networks supply heat to buildings from centralized sources, often using waste heat from industrial processes or power plants.SDES report on heating infrastructure
A report published on October 23, 2026, by the public statistics service for energy, transport, housing, and the environment (SDES) reviewed the status of district heating networks for the year 2025. The report provides an updated overview of the country’s heating infrastructure.Significant unexploited capacity
According to the report, 79% of the capacity of these district heating networks remains to be discovered. This suggests that there is substantial potential for expansion and optimization of the existing infrastructure.Access to full report restricted
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