Gadget Review
Summary
The complex combines AI computing, waste heat recovery, and district heating in a multibillion-dollar experiment.
The real innovation lies in what else they’re building above ground. The Technology Center Laufenburg reportedly pairs the battery with a water-cooled AI data center, turning waste heat into district heating for nearby communities. This setup could prevent roughly 82,700 tons of CO₂ emissions over 30 years—basically turning data center cooling problems into neighborhood heating solutions.
Construction allegedly began in spring 2025, with Swissgrid approving an initial 800 MW grid connection. The full system should go online by 2029, creating about 300 jobs and potentially reshaping how Europe handles renewable energy’s mood swings. Whether this underground giant becomes the future of grid storage or an expensive science experiment remains to be seen.
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