The Government Says

Whole energy cyber resilience requirements: reshaping cyber regulation in downstream gas and electricity

Whole energy cyber resilience requirements: reshaping cyber regulation in downstream gas and electricity
Local copy of whole-energy-resilience-consultation-document.pdf

https://www.gov.uk/government/consultations/whole-energy-cyber-resilience-requirements-reshaping-cyber-regulation-in-downstream-gas-and-electricity

seen at 10:31, 27 March in Policy papers and consultations.