Insights
The rules behind the reports
Dated, sourced analysis of European data-centre rules. Each piece ends where its numbers are kept current.
EU rating scheme EU data centre rating: what the A to G label grades, and when The Commission’s rating act, adopted but not yet in force, would grade only PUE and WUE, A to G. What sets your class, and what goes public. 
Germany EnEfG Hearing: Six Statements on Germany’s Data-Centre Rules The Bundestag hears the EnEfG bill on 5 October. What it changes for data centres and what six statements tell MPs. 
PUE benchmarks EU Data Centre PUE 2025: Benchmarks by Size and Country 773 sites reported 2025 operations to the EU database at PUE 1.27. Benchmarks by size and country, and why the fall from 1.36 is not a trend. 
EU standards EU Data Centre Minimum Performance Standards: What to Submit by 14 December The EU is consulting on possible performance floors for data centres, not enforcing them. What is being decided, and the evidence operators should submit. 
Regulation tracker European Data Centre Regulation Tracker: Rules, Status, Deadlines EU and national data-centre rules for 29 European countries in one table, with exact thresholds, current status and the next date to act. 
EED reporting EU Data Centre Reporting Under the EED: What to Report and When Who must report under the EU Energy Efficiency Directive, the 24 indicators, deadlines, what stays confidential, and a worked PUE, WUE, ERF, REF example. 
United States Texas Data Center Audit Freezes the AI Boom’s Friendliest State Texas data center audit freezes AI project approvals — the friendliest state to hyperscalers just turned the brake on its own boom. 
United States Data Center Financial Assurance Requirements Split States Data center financial assurance requirements just turned AI buildouts into a credit-risk problem — and states are picking very different sides.