Ewe Hill 132kV Substation

<< Obelisk Power Systems Ltd. Services

Client:   SPEN
Location:   Dumfries and Galloway, Scotland
Value:   €900k

Extension of the existing 132kV busbar and installation and commissioning of a new 132kV bay at Gretna 400/132kV substation to facilitate the connection of Ewe Hill Windfarm.

Project Scope:
Balance of Plant contract for the electrical works to all SPEN and IEC standards including;

  • Installation and commissioning of 132kV disconnectors, 132kV earth switches, 132kV surge arrestors, 132kV CT’s, 132kV VT’s and 132kV busbars and support structures
  • Procurement, installation and commissioning of 33kV circuit breakers, 33kV CT’s, 33kV VT’s, 33kV Post Insulators, 33kV Surge Arrestor and 33kV busbar and support structures
  • Procurement, installation and commissioning of HV and LV Cables
  • Procurement, installation and commissioning of LVAC board and 110V DC battery system
  • Installation and commissioning of 132kV and 33kV Control and Protection panels
  • Review and development of Consultant’s design
  • Overall commissioning of station including existing SPEN control and protection schemes, interlocking, fibre optic communications and intertripping between remote ends and main station