The Government Says

Updating standards for standby, networked standby and off mode power consumption

Updating standards for standby, networked standby and off mode power consumption
Local copy of standby-arrangements-consultation.pdf

https://www.gov.uk/government/consultations/updating-standards-for-standby-networked-standby-and-off-mode-power-consumption

seen at 18:32, 16 October in Policy papers and consultations.