Guidance: Electricity Supply Emergency Code

Published 1 January 2005
Last updated 6 November 2019 + show all updates
  1. From 1 April 2019 there is a legal separation of powers between the National Grid Transmission Owner (TO) and National Grid Systems Operator (SO). This document has been updated to reflect the new role of the National Grid Electricity System Operator (ESO).
  2. Updated with April 2018 revision of code.
  3. First published.