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  • National Grid Transmission Charging Methodology Policy Decisions

  • This page contains documents relating to policy decisions relating to Transmission TNUoS charging methdology but not codified within the Connections and Use of System Code.

    For open letters and consultations relating to the TNUoS charging methodology within the Connections and Use of System Code see the CUSC Open Letters page

  • If you have any feedback on this web page, suggestions for ways to improve it or queries relating to this page then please contact

  • Investment Ahead of TEC

  • 24 Jun 2015
    Delay Charge Open Letter
    330 KB

    24 Jun 2015
    Investment Ahead of TEC Guidance Document
    808 KB

    01 Jun 2017
    Inv Ahead of TEC Guidance Document V2_0 draft
    804 KB

  • Many of the files available to download on this page are Acrobat PDF files. To access these you will need Acrobat Reader which is available from the Adobe web site.