Policy Brief: Public Data on Data Centre Energy Use

This Policy Brief summarises the key findings of the 4E EDNA report: Public Data on Data Centre Energy Use which examines what data on energy use by data centres is publicly available and how this can be collected, stored and presented on a regular basis.

Influence of AC power supply on light flicker measurements

Accurate measurement of the short term flicker indicator is important for avoiding visible flicker and for SSL products compliance with regulations. The IC2023 Interlaboratory Comparison of temporal light modulation measurements revealed large variations depending on the laboratory-grade AC power supplies used.