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Meenadreen Windfarm, Ireland

Meenadreen Windfarm, Ireland

    • CLIENT:
    • Energia Renewables
    • Kirby (Substations) and DMKL (Windfarm CBOP)
    • PROJECT:
    • Meenadreen Windfarm Extension
    • VALUE:
    • €13m
    • SECTOR:
    • Substations and Renewables
    • Donegal, Ireland


Kirby was awarded civil and electrical balance of plant (BoP) contract for the Meenadreen Windfarm electrical infrastructure including (Clogher 110kV Ireland’s frst contestable GIS turnkey substation), Mulreavy 110kV AIS tail-fed station and Mulreavy 110/33kV 120 MVA IPP substation.

Contestable Works:

• Clogher 110kV indoor substation equipped with an 8 bay Siemens GIS 8DN8 switchboard complete with coupler, provision for future expansion of up to an additional 4 Bays and associated control and protection
• Mulreavy 110kV tail-fed AIS substation
• Diversion of existing 110kV OHL circuits via 4 number end mast structures and 4 number 110kV 1600mm² Cu underground power gridline circuits
• 8km underground gridline between Clogher and Mulreavy substations
• Design and installation of the above components in compliance with EirGrid Functional Specifications
• IPP Works
• Mulreavy IPP 110/33kV sub-station including, 120MVA power transformer, 10 Bay 33kV switchboard and associated control and protection systems
• Extensive 33kV Windfarm power and fibre optic cable system (separate contract)


Kirby scope of works included the design and build for the engineering, procurement, construction, pre-commissioning and commissioning (IPP works only) of the contestable electrical and civil works listed below:

• Primary Equipment Transmission Connection
• Primary Equipment Distribution Connection
• Earthing & Bonding
• Control & Protection System
• MV Cable Connection System
• Fibre Network
• Transmission Underground Cables
• Distribution Underground Cables
• DC Battery Systems
• Generator
• General & Emergency Lighting
• General Service Power
• Mechanical Plant Service Power
• Fire Detection & Alarm
• Access Control, Intruder & CCTV
• Lightning Protection

Installed plant items included 9 distribution boards, 28 control and protection panels, 3 battery systems, 2 transformers, 8 GIS Switchgear, 7 AIS Switchgear and 4 x 15mtr OHL 110kV masts and loop in conductors.

The total project meterage consisted of 178,000m of cable. 15 joints and 90 terminations were installed.