Europe Wants Data Centers. Its Climate Goals Are Getting in The Way
A plan to funnel the heat given off by data centers into nearby homes has run aground in Germany. Across Europe, policymakers are weighing AI ambitions against climate objectives.
Germany's priorities have become tangled between its climate commitments and the desire to capitalize on the rapid growth of the AI sector. The previous German administration implemented the Energy Efficiency Act in 2023, which made it mandatory for new data centers to recycle a portion of the waste heat generated by computer equipment.
This heat was intended to be reused, often for municipal heating systems, as a means of reducing greenhouse gas emissions. Patrick Graichen, a former senior official at Germany's Ministry for Economic Affairs and Energy, explained that this requirement made sense as data centers are a source of "clean heat." However, the German federal government suddenly reversed the policy just before it was set to take effect in June.
The German Data Center Association had previously labeled the original bill as a "data center prevention act." Under the revised version, data center operators would no longer be required to reuse waste heat, only to analyze the possibility. Critics, including Graichen, accused the German government of prioritizing AI ambitions over climate goals.
Multiple data center proposals have recently fallen through in Germany, with some developers citing the burdens imposed by the Energy Efficiency Act as the primary reason. Barbara Smitten, associate director for critical systems at consulting firm Cundall, stated that some compliance requirements were beyond the control of data center developers.
The amended Energy Efficiency Act now only requires data center developers to assess whether recycling waste heat is economically and technically feasible. If not, they are exempt. Federal Minister for Economic Affairs and Energy, Katherina Reiche, claimed that these changes would create conditions for digital sovereignty and economic growth.
However, the revised policy may inadvertently discourage data center development by raising climate-related concerns.
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