NATIONAL GRID ELECTRICITY TRANSMISSION PLC

Contracts expiring

• 100917 Amersham AIS Bay Extension & SGT

  Location: London

  Awarded contractContract ends 11 Jan, 20272 monthsValue £4.70mSource Find a Tender

  This contract relates to the delivery of works and related services at Amersham Substation (the "Works"). The Works were previously allocated to Gunning Transmission & Distribution Services Limited - in Administration ("GTDS"). GTDS went into administration on Friday 16 January 2026 and is unable to progress or complet

  Awarded to BAM NUTTALL LIMITED

• 102203 Mill Hill Tertiary Connection & SGT Replacement

  Location: London

  Awarded contractContract ends 6 May, 20276 monthsValue £5.50mSource Find a Tender

  This contract relates to the delivery of works and related services at Mill Hill Substation (the "Works"). The Works were previously allocated to Gunning Transmission & Distribution Services Limited - in Administration ("GTDS"). GTDS went into administration on Friday 16 January 2026 and is unable to progress or comple

  Awarded to BAM NUTTALL LIMITED

• 100891 Bicker Fen AGR SGT1 Tertiary Connection

  Location: London

  Awarded contractContract ends 28 May, 20277 monthsValue £6.00mSource Find a Tender

  This contract relates to the delivery of works and related services at Bicker Fen Substation (the "Works"). The Works were previously allocated to Gunning Transmission & Distribution Services Limited - in Administration ("GTDS"). GTDS went into administration on Friday 16 January 2026 and is unable to progress or compl

  Awarded to OCU UTILITY SERVICES LIMITED

• 100760 Landulph Tertiary Connection

  Location: London

  Awarded contractContract ends 20 Aug, 20279 monthsValue £9.50mSource Find a Tender

  This contract relates to the delivery of works and related services at Landulph Substation (the "Works"). The Works were previously allocated to Gunning Transmission & Distribution Services Limited - in Administration ("GTDS"). GTDS went into administration on Friday 16 January 2026 and is unable to progress or complet

  Awarded to COSTAIN LIMITED

• 100670 Sellindge Pathfinder Connection

  Location: London

  Awarded contractContract ends 23 Nov, 202713 monthsValue £5.13mSource Find a Tender

  This contract relates to the delivery of works and related services at Sellindge Substation (the "Works"). The Works were previously allocated to Gunning Transmission & Distribution Services Limited - in Administration ("GTDS"). GTDS went into administration on Friday 16 January 2026 and is unable to progress or comple

  Awarded to Winshall Limited

• 100572 Walpole SGT4 Tertiary Connection

  Location: London

  Awarded contractContract ends 15 Mar, 202816 monthsValue £4.17mSource Find a Tender

  The works comprise the completion of the remaining design & infrastructure works required for the Walpole SGT4 Tertiary Connection Project, including installation of a tertiary cable box on SGT4, a 13kV transformer, a 13kV disconnector and associated earthing switches, supporting structures, busbars and connectors, pro

  Awarded to OCU UTILITY SERVICES LIMITED