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  • Prosiect i atgyfnerthu ac adnewyddu'r cysylltiad rhwng Pentir a Thrawsfynydd Y prosiect Gwaith atgyfnerthu ac adnewyddu Seilwaith newydd Cyfarfod â'r tîm Llyfrgell ddogfennau Home Gwaith atgyfnerthu ac adnewyddu Mae'r rhwydwaith presennol yn rhedeg tua'r …
  • Prosiect i atgyfnerthu ac adnewyddu'r cysylltiad rhwng Pentir a Thrawsfynydd Y prosiect Gwaith atgyfnerthu ac adnewyddu Seilwaith newydd Cyfarfod â'r tîm Llyfrgell ddogfennau Home Seilwaith newydd Cysylltu â cheblau tanddaear newydd Eryri Mae rhan o’r …
  • Prosiect i atgyfnerthu ac adnewyddu'r cysylltiad rhwng Pentir a Thrawsfynydd Y prosiect Gwaith atgyfnerthu ac adnewyddu Seilwaith newydd Cyfarfod â'r tîm Llyfrgell ddogfennau Home Cyfarfod â'r tîm Credwn ei bod yn bwysig iawn i ni rannu gwybodaeth am ein …
  • Prosiect i atgyfnerthu ac adnewyddu'r cysylltiad rhwng Pentir a Thrawsfynydd Y prosiect Gwaith atgyfnerthu ac adnewyddu Seilwaith newydd Cyfarfod â'r tîm Llyfrgell ddogfennau Home Llyfrgell ddogfennau Yn y llyfrgell, cewch weld dogfennau rydym wedi'u …
  • Melksham Substation Home We’re upgrading our existing Melksham substation so we can safely connect new sources of low carbon energy generation and energy storage to our network.  This work will install what is known as a supergrid transformer, as part of …
  • Dinorwig to Pentir / O Ddinorwig i Bentir Home Click here to view this information in English Mae National Grid yn newid y ceblau sy’n rhedeg o dan y ddaear rhwng gorsaf bŵer Dinorwig a’n his-orsaf ym Mhentir.   Diweddariad (Mai 2025) Mae ein gwaith yn …
  • Substation tour for National Grid pylon fan Ted Home 28th April 2025 Press release National Grid opened the gates of two North East substations in South Shields and West Boldon to welcome a special guest, ahead of work to install new equipment at the …
  • SF6-free, gas insulated switchgear is being installed on our network in the UK Home 28th April 2025 Responsibility In a first for the UK, 400kV SF6-free, gas insulated switchgear is being installed on our network. While sulphur hexafluoride (SF6) is a …
  • Replacing SF6 gas circuit breakers on New York’s transmission system Home 28th April 2025 Responsibility One of the six 115,000-volt vacuum circuit breaker (VCB) installation pilot projects has been successfully completed in Cortland, Tilden, Whitehall …
  • Flying high: offsetting our carbon emissions from air travel Home 28th April 2025 Responsibility The scheme delivers on the commitment we made in our Responsible Business Charter, which stated that we will reduce our absolute annual air travel emissions …