Substation Supply Services

Areas of Expertise

Substation Supply Services

SPEC Ltd are able to provide complete substation supply and installation services up to 66KV.

Whether it be a new substation or upgrade to an existing installation, we can offer a solution.

We can design and build or supply and install to a client’s specification. With many years of substation design and installation experience in all sectors of the industrial, commercial and MoD environment, our knowledge is second to none.

Summary of Substation Supply Services:

  • Oil Circuit Breakers and Switches
  • Air Circuit Breakers and Switches
  • Vacuum Circuit Breakers and Switches
  • SF6 Circuit Breakers and Switches
  • HV/LV transformers, all types of cooling medium
  • LV Feeder Pillars
  • LV switchgear Panels
  • Earthing installations
  • Associated Building Works

SPEC Ltd. are suppliers and installers of the industries leading switchgear and transformer brands as well as many specialist manufacturers.

We provide a "One – Stop" project service, including associated building works, such as trenching, concrete base works, fencing and re-instatement. SPEC customers benefit from a complete management service, ensuring that Health and Safety and statutory compliance requirements are adhered to. All works are programmed in close conjunction with the customer and managed from receipt of order to handover.

As well as individual substation design our engineers can provide a complete site-wide grading exercise to ensure that protection discrimination is maintained. SPEC can also offer refurbished HV and LV equipment to provide clients with a more economic and environmentally considerate alternative.

All our substation solutions are fully tested and commissioned prior putting in service.

For more information please call: 01924 871 558.

In The News

SPEC Power the Olympics

When the time came for main contractor Morrison Construction / Galliford Try appoint a contractor to install…

SPEC power the Olympics

Case Studies

RAF Marham, Norfolk

Working for our client, Turner Facilities Management, SPEC are installing nearly 3KM of new High Voltage distribution at RAF Marham…


  • Registered Office
  • Unit 5 Eagle Point
  • Telford Way
  • Wakefield 41 Industrial Estate
  • Wakefield
  • WF2 OXW