Energy company
Appears in 1 story · Last updated Sep 28, 2026
As of September 2026: Project developer; announced drilling completion
A town northeast of Paris is swapping its gas-fired heating for heat pulled from 2,000 meters underground. Drilling of the geothermal doublet in Aulnay-sous-Bois is complete, and 93% of the local district heating network should run on geothermal water by the end of 2026.
Updated Sep 28
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