National Grid

  • Static Synchronous Series Compensation Equipment Protection Type registration for various sites

  • SGT LV Connections and CB Control / BUP Protection Type Registration

  • Shunt Reactor Protection at Chickerell 400kV SS

  • Mesh Corner and Mesh DAR Protection refurbishment at Thorpe Marsh 400kV Mesh SS, Berkswell MC6, Monk Fryston MC2 & 3 DAR, South Shields MC1 & 2 & DAR

  • 8 Bay GIS extension at Elstree 400/132kV substation including, Bus Section, Bus Coupler, Feeders and Transformers.

  • Nicap Feeder Protection replacement at various NG sites, Thorpe Marsh – West Melton, Thorpe Marsh – Eggborough, Thorpe Marsh – Drax, High Marnham - Thurcroft - West Melton 3 ended, West Boldon - Hartlepool, Pentir-Wylfa, Drakelow - Oldbury, Kitwell - ockerhill, Spennymoor SS, Sellindge SS, Pentir - Dinorwig, Blyth - Tynemouth, Blyth - South Shields - Tynemouth, South Shields - West Boldon

  • Selective Protection Asset Replacement (SPAR): Kirby – Rainhill 1, Thorpe Marsh – Brisnworth, Melksham – Hinkley Point 1 & 2, Iver - North Hyde 11 & 12, Chessington-Beddington 2, Chessington-West Weybridge 1

  • SGT SBS / SPAR: Monk Fryston SGT2 & 3, North Hyde SS - SGT1 & 3, Skelton Grange SGT4, Chessington SS - SGT1 & 2, Tynemouth SGT2A & 2B, Blyth SGT2A, West Boldon SGT1, Wilton SGT1-3, Rochdale SGT1&3, South Shields SGT1 & 2

  • Mesh Corner SPAR: Monk Fryston MC2 & 3, Chessington MC1, 2 & 3

  • MSC SPAR: Kirkby MSC1A, 2A, 3B & 4A, Bradford West MSC1, Capenhurst MSC1, West Melton MSCs A, B & C, Skelton Grange MSC 2, 3 & 4, Monk Fryston MSC1, Staythorpe MSC1

  • SCS Replacement: Burwell Siemens SCS, Bridgwater SCS, South Shields Siemens SCS

  • Walham – Pembroke feeder CB installation, Chickerell – Exeter feeder CB installation

  • SGT LV protection replacement at Kirkby 132kV SS and Canterbury North 275/132kV SS

  • Circuit Breaker replacement at Wincobank SS and Manchester South

  • Disconnector refurbishment at various sites

  • Interface engineering for East Anglia OTS  

For Non NG Projects click here