Energy company (district heating operator)
Appears in 1 story · Last updated Oct 18, 2026
Built and operates the new Alfortville plant
Alfortville has heated about 6,000 homes with geothermal energy since 1986. On October 15, 2026, Groupe Coriance commissioned a new triplet — two production wells and one reinjection well — replacing the original plant and raising the network's renewable share to 90%.
Updated Oct 18
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