Grid Code

The Grid Code covers all material technical aspects relating to connections to, and the operation and use of, the national electricity transmission system.

The Grid Code is available to view on the National Grid Electricity Transmission website.

Grid Code Modifications

Our decisions on proposed changes to this code are included below.

Publications and updates

  • Published: 29th Jul 2016
  • Decisions
  • 1 Associated documents
We have approved this modification to the Grid Code.

  • Published: 15th Jun 2016
  • Decisions
  • 1 Associated documents
We have approved this modification to the Grid Code.

  • Published: 11th May 2016
  • Decisions
  • 1 Associated documents
We have approved this modification to the Grid Code.

  • Published: 13th Apr 2016
  • Decisions
  • 1 Associated documents
Authority decision to ‘send back’ Grid Code modification proposal GC0086 ‘Open Governance’.

  • Published: 22nd Jan 2016
  • Decisions
  • 1 Associated documents
We have approved this modification to the Grid Code.

  • Published: 15th Jan 2016
  • Decisions
  • 1 Associated documents
We have approved this modification to the Grid Code.

  • Published: 8th Jan 2016
  • Decisions
  • 1 Associated documents
We have approved this modification to the Grid Code.

  • Published: 13th Aug 2015
  • Decisions
  • 1 Associated documents
We have approved this modification to the Grid Code.

  • Published: 8th Jan 2015
  • Decisions
  • 1 Associated documents
We have approved this modification to the Grid Code

  • Published: 14th Oct 2014
  • Decisions
  • 1 Associated documents
We have approved this modification to the Grid Code.

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