Insights
The rules behind the reports
Dated, sourced analysis of European data-centre rules. Each piece ends where its numbers are kept current.
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. 
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.