Karlsruhe’s Geothermal Collapse: A Costly Blow to Germany’s Energy Transition By: Robert Buluma In the heart of Baden-Württemberg, a project that once symbolized ambition, innovation, and the promise of clean geothermal heat has now collapsed quietly. What was meant to become one of Germany’s most transformative regional heating networks has instead turned into a warning sign for Europe’s energy transition. The dissolution of the regional heat association in the Karlsruhe district,made up of ten municipalities,marks a serious setback not only for Germany but for the broader global geothermal movement. This is more than a failed project. It is a lesson in communication, financing, political courage, and the true cost of clean energy. A Vision That Should Have Succeeded The plan was compelling: Harness the deep geothermal power beneath Graben-Neudorf,home to Germany’s hottest geothermal well to deliver CO₂-neutral district heating to communities from Bretten to Bruchsal, Forst, and ...
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