Lambhill Substation, Scotland

Project Name

Lambhill Substation, Scotland


Scottish Power Energy Networks

Main Contractor:



Lambhill Substation


Glasgow, Scotland




Power and Renewables


HV/MV Services


Kirby was responsible for the Electrical Balance of Plant (EBoP) contract for the refurbishment works at Lambhill 275kV substation.

Lambhill is a critical substation for the transportation of generation supply north and south and is vital for the stability of supply to Port Dundas and Glasgow city centre.

Kirby carried out all electrical services associated with the EBoP contract including main plant, cables, protection and control.

The original 275kV switchgear installed were AEI JW420 type bulk oil circuit breakers manufactured and installed in the 1960s. Prior to the refurbishment works, Lambhill 275kV substation was assigned level 5 (end of life stage) with the assets showing serious signs of deterioration which could have led to critical operational and safety issues.

The project involved the replacement of the existing substation confguration with an outdoor 7 bay 275kV substation with the same number of circuits as currently in place and main/reserve busbar sections with bus coupler.


Kirby scope of works included all works associated with the Electrical Balance of Plant contract.

• Primary Equipment Transmission Connection
• Earthing & Bonding
• Control & Protection System
• MV Cable Connection System
• Fibre Network
• DC Battery Systems
• Generator
• General & Emergency Lighting
• General Service Power

Installed plant items included distribution boards, control and protection panels, battery systems and AIS switchgear.

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