Guidance

Electricity Supply Emergency Code

An outline of the process for ensuring fair distribution of electricity rationing during a prolonged electricity shortage.

• From: Department for Energy Security and Net Zero and Department for Business, Energy & Industrial Strategy
• Published: 1 January 2005
• Last updated: 6 November 2019 — See all updates

Documents

Electricity Supply Emergency Code

PDF, 1.31 MB

Electricity Supply Emergency Code

HTML

Electricity Supply Emergency Code: Annex 1 - Variable Rota Disconnection Plan (accessible version)

MS Excel Spreadsheet, 16.8 KB

Electricity Supply Emergency Code: Annex 2 - Rota Plans (accessible version)

MS Excel Spreadsheet, 113 KB

Details

If a prolonged electricity shortage affects a specific region, or the whole country, electricity rationing may be necessary. The Electricity Supply Emergency Code (ESEC) outlines the process for ensuring fair distribution nationally while still protecting those who require special treatment, using a process known as ‘rota disconnections’.

Published 1 January 2005
Last updated 6 November 2019 + show all updates

1. 6 November 2019

   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. 10 April 2018

   Updated with April 2018 revision of code.

3. 1 January 2005

   First published.