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: 17th May 2007
  • Agendas, minutes and presentations
  • 1 Associated documents
Agenda for meeting 1 of the Grid Code subgroup

  • Published: 17th May 2007
  • Agendas, minutes and presentations
  • 1 Associated documents
This paper provides an outline of the assumptions to be considered in the development of the Grid Code connection conditions for generators connected to an Offshore Electricity Transmission Network.

  • Published: 17th May 2007
  • Agendas, minutes and presentations
  • 1 Associated documents
Agenda for meeting 2 of the Grid Code subgroup

  • Published: 17th May 2007
  • Agendas, minutes and presentations
  • 1 Associated documents
Minutes of meeting 3 of the Offshre Transmisison Grid Code subgroup.

  • Published: 17th May 2007
  • Agendas, minutes and presentations
  • 1 Associated documents
Agenda for meeting 3 of the Grid Code subgroup

  • Published: 17th May 2007
  • Guidance
  • 1 Associated documents
Terms of reference for the Offshore Transmisison Grid Code subgroup

  • Published: 17th May 2007
  • Agendas, minutes and presentations
  • 1 Associated documents
Agenda for meeting 4 of the Grid Code subgroup

  • Published: 17th May 2007
  • Agendas, minutes and presentations
  • 1 Associated documents
Assumptions for the Offshore Transmission Grid Code subgroup

  • Published: 17th May 2007
  • Agendas, minutes and presentations
  • 1 Associated documents
Minutes of meeting 1 of the Offshore Transmission Grid Code subgroup

  • Published: 17th May 2007
  • Guidance
  • 1 Associated documents
Terms of reference for the Grid Code safety Working Group

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