Case Studies

Bramford 400kV Substation

Bramford 400kV Substation removal of high-level busbars and support gantries. Removal of Redundant 400kV AIS Switchgear following successful transfer of existing circuit to the new 400kV GIS Substation.

Kincardine 275kV Substation

The main control room threshold is predicted to be breached from the 1:50 year event. At a 1:1000-year event all the surveyed substation critical equipment is predicted to be under water. It was proposed to use flood mitigation funding in RIIO-T1 to construct a new 275kV GIS substation to replace the existing 275kV AIS substation. […]

Kingsnorth 400kV Substation SGT1 & SR1

The Works included detailed civil, primary, and secondary design and engineering, project management, SHEQ management, the removal of redundant in-situ SGT, Shunt Reactor, primary and secondary equipment, structures, foundations, and bund walls etc. Procurement of materials and equipment, civil works, installation and commissioning of new primary equipment, protection and control modification works, LVAC upgrades, etc. […]

Sheringham Shoal Salle substation

GTDS carried out the installation of the following equipment on behalf of ALSTOM GRID UK LIMITED, Primary Equipment, Earthing, Cable Containment, Multicore Cables, LV cables and Protection and Control Equipment.

Nursling 400kV Substation

The proposal is that the Battery Energy Storage Connection will be connected to the existing Supergrid Transformer (SGT1) tertiary windings via a 33/13kV 60MVA transformer to manage fault levels. The BESS will be connected via 33kV cables to the new 33/13kV transformer sited within the 400kV compound. The Works include working collaboratively with National Grid […]

Tilbury 275kV Substation SGT1 & SGT2

The Works included detailed civil, primary and secondary design and engineering, Project management, SHEQ management, the removal of redundant in-situ primary and secondary equipment, structures, foundations and bund walls etc.  Procurement of materials and equipment, civil works, installation and commissioning of new primary equipment, protection and control modification works, LVAC upgrades etc. During the replacement […]

Checkerhouse BSP 132/33kV Substation

GTDS acted as Principle Contractor (CDM) providing, Project Management, Safety Management, Site Management, Commissioning Management and carried out the Installation and commissioning of two new 132/33kV 90MVA transformers and all associated 132/33kV Switchgear and Protection & Control systems etc.

East Claydon GSP Substation

GTDS acted as Principle Contractor (CDM) throughout the works, providing, Project Management, Safety Management, Site Management and Commissioning Management and carried out the Installation and commissioning of the new 132kV Switchgear bay and Protection & Control systems etc.

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