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Sub-station New Build, UK

Sub-station New Build, UK

    • Client:
    • Scottish Power, Glasgow, Scotland
    • Consultant:
    • Scottish Power, Scotland
    • Project Description:
    • Renewal and new build of 400Kv / 275Kv / 132Kv sub-station assets
    • Work-Scope:
    • Electrical installation and pre-commissioning
    • Value:
    • £10M per annum

Project Description

Brief Description

Kirby is a leading provider of specialist high voltage (HV) and medium voltage (MV) design and construction services to the utilities and renewables sector in the UK. Scottish Power recognised our expertise in this area through selecting Kirby as one of their preferred framework contractors for the renewal and new build of 400Kv, 275Kv and 132Kv sub-station assets in North Wales and Scotland.

Our in-house transmission and distribution team can support a project from application stage through to design, procurement, construction and subsequent grid connection. Our primary work with Scottish Power centres on construction and pre-commissioning activity. Projects are varied in nature but include:

  • AIS switchgear installation
  • Power transformer installation, oil filling and treatment
  • Control and protection modifications to existing schemes
  • Replacement/decommissioning/installation of electrical equipment in close proximity to live equipment
  • HV cabling, termination and testing
  • Supply and installation of new control, SCS and protection cabinets including all associated cabling and terminations
  • General services within the station including 110V DC batteries and chargers, 10kV/400V house supply transformer, distribution boards and associated cabling
  • Testing and pre-commissioning
  • Commissioning and declaration of fitness


Key to our continued close working relationship with Scottish Power, is our proactive and teamwork-based approach to the planning and execution of works. We cooperate with our client in the sequencing of work so as to minimise interruptions to power supply. We adopt a flexible and reasonable approach to our working arrangements, conscious at all times of the needs to protect our client’s interests in terms of business continuity. This approach has led us to become one of Scottish Power’s key infrastructure delivery partners in the UK.