Blackhill Substation, Scotland

Project Name

Blackhill Substation, Scotland


Scottish Power Energy Networks

Main Contractor:



Blackhill 132kV Substation


East Ayrshire, Scotland




Power and Renewables


HV/MV Services


Kirby was responsible for the Electrical Balance of Plant (EBoP) contract associated with the new Blackhill 132/33kV substation as well as the installation of the AIS switchgear, protection and control panels and cabling.

The new substation is a single 9 bay 132kV double busbar GIS switchboard comprising of 4 no. 132kV line connections and 4 no. interbus 132/33kV transformers feeding 2 no. 33kV double busbar GIS switchboards. The 132kV switchboard is capable of expansion to 11 bays, if required, in the future to accommodate up to two additional 132kV Windfarm connections, with one already earmarked for a future Windfarm.


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

• Primary Equipment Transmission Connection
• Earthing & Bonding
• Control & Protection System
• MV Cable Connection System
• Fibre Network
• Transmission Underground Cables
• DC Battery Systems
• Generator
• Mechanical Plant Service Power
• Lightning Protection
• AIS Equipment
• MV Cable Excavation and Cable Install
• MV Terminations

Installed plant items included 1 number of distribution board, 24 number of protection and control panels, 1 number of battery rack and 2 number of chargers, 4 number of 90MVA 132/33kV transformers, 4 number of 132kV Earth Switches, 30 number of SA, 4 number of EAT Tx, 4 number of NER, and 36 number of PI.

The total project meterage consisted of 28,550m of cable and 92 number of joints/terminations.

Scroll to Top
Skip to content