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EU data center energy ratings will hit crypto miners by 2027
The EU's new A-to-G energy label for data centers, effective by August 2027, will apply to proof-of-work mining and proof-of-stake validator clusters above 500 kW.
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The European Commission published a draft regulation on March 27 introducing an EU-wide sustainability rating system for data centers. The scheme targets facilities with at least 500 kW of installed IT power demand. Covered centers will report annually on energy consumption, water usage, and renewable energy sourcing. The ratings will follow an A-to-G scale, the same format used on household appliance labels, and will be published in a centralized European database. Implementation could begin as early as August 2027.
Proof-of-work mining operations that meet the 500 kW threshold fall squarely under this framework. Even post-Merge Ethereum staking operations and other proof-of-stake validator clusters housed in European data centers will be subject to the reporting requirements if their host facilities qualify. The public consultation period on the draft ran until April 23. Industry groups like DIGITALEUROPE and EUDCA provided feedback, generally supporting transparency goals while flagging concerns about balancing disclosure requirements with operational realities.