• Project management and electrical design
• Civil & building works
• Installation of:
  • 132kV GIS substation and equipment, including a reactor & filter bank, for ‘tail fed’ connection to the offshore windfarm.
  • Control building incorporating protection, control, indication & telecommunications panels; LV a.c. and d.c auxiliary systems; tariff metering.
  • LV and control cablingo Substation earthing grid.
  • Substation building services.
• Testing & Commissioning.

Scope of works includes:

• Project management, electrical design and system studies.
• Supply and installation of:
• 33kV switchboard; protection, control, indication & telecommunications panels; batter/charger unit; pre-insertion resistor.
• Earthing grid and earthing for each turbine tower.
• Substation building services.
• 33kV power cables, fibre optic cables and copper earth conductor.
• Supply, installation and termination of all LV power and multicore cables.
• Sheath test all MV and LV power cables.
• Testing and commissioning

Scope of works included:

• Project management, electrical design and system studies.
• Supply and installation of:
• 33kV switchboard
• protection, control, indication & telecommunications panels
• batter/charger unit
• pre-insertion resistor with associated CT’s for differential and overcurrent protection systems.
• Supply, installation and termination of all LV power and multicore cables.
• Testing and commissioning.

Scope of works includes:

• Project management, electrical design and system studies.
• Civil & building works
• Supply and installation of:
• 110kV 4-bay, GIS indoor switchgear and equipment
• EirGrid control building incorporating protection, control, indication & telecommunications panels; LV a.c. and d.c auxiliary systems; emergency diesel generator
• 120MVA grid interface transformer, neutral earthing resistor, auxiliary ‘house’ transformer and emergency diesel generator
• IPP control building incorporating 20kV switchboard for WTG feeder collection circuits; protection, control, indication & telecommunications panels; LV a.c. and d.c auxiliary systems.
• MV, LV and control cabling
• Substation earthing grid.
• Substation building services.
• Testing & Commissioning.

Scope of works included:

• Project management, electrical design and system studies.
• Civil & building works
• Supply and installation of:
• 110kV AIS switchyard and equipment for ‘tail fed’ connection
• EirGrid control building incorporating protection, control, indication & telecommunications panels; LV a.c. and d.c auxiliary systems; emergency diesel generator
• 70MVA grid interface transformer, neutral earthing resistor, auxiliary ‘house’ transformer and emergency diesel generator
• IPP control building incorporating 20kV switchboard for WTG feeder collection circuits; protection, control, indication & telecommunications panels; LV a.c. and d.c auxiliary systems.
• MV, LV and control cabling
• Substation earthing grid.
• Substation building services.
• Testing & Commissioning.

Scope of works includes:

• Substation electrical design and studies.
• Supply and installation of:
• 33kV three cubicle switchboard; protection, control, indication & telecommunications panels; batter/charger unit; CT’s for PIR differential and overcurrent protection systems.
• Earthing grid and earthing around each turbine tower.
• Substation building services.
• 33kV power cables, fibre optic cables and copper earth conductor.
• Supply, installation and termination of all LV power and multicore cables.
• Sheath test all MV and LV power cables.
• Commission and test the above supplied and installed equipment.

Scope of works included:

• Electrical design of protection, control and battery charger systems.
• Supply and installation of:
• Protection panel.
• Control and Indication panels.
• Capacitor banks.
• One 48V primary and one 48V secondary battery charging unit.
• Lay 33kV cables from capacitor bank circuit breaker to capacitor bank.
• Sheath test all MV and LV power cables.
• Commission and test the above supplied and installed equipment.

Scope of works included:

• Electrical design of protection, control and battery charger systems.
• Supply and installation of:
• Protection panel, control and indication panels.
• Capacitor banks.
• One 48V primary and one 48V secondary battery charging unit.
• Lay 33kV cables from capacitor bank circuit breaker to capacitor bank.
• Sheath test all MV and LV power cables.
• Commission and test the above supplied and installed equipment.

Scope of works included:

• Electrical & protection scheme design.
• Supply and installation of:
• One 33kV switchboard.
• Six 33/.69kV step-up transformers (one per turbine.)
• Fibre optic cable from substation to the turbines.
• Battery unit.
• Protection system for electrical installation.
• Supply only 33kV cabling including jointing works (route length 3,630m).
• Commissioning and testing.
• Design and installation of earth grids and the connection of appropriate equipment.

Phase II scope of works included:

• Supply and installation of the following equipment in the existing substation:
• Extension to existing indoor 20kV switchboard comprising one WTG feeder cubicle.
• Modifications to existing protection and control panels for the new feeder.
• Additional circuits from the existing LV a.c. and d.c. panels.
• Additions to existing marshalling panels for interface with the respective SCADA systems.
• Supply, installation and termination of LV power and multicore control cabling and associated tray/ladder/trunking between 20kV switchboard extension, protection and control panels, LV a.c and d.c. distribution boards and SCADA interface panels.
• Supply and installation of:
• LV power supply, building services, telecommunications system.
• Supply in trenching/ducting 33kV power, fibre optic and earthing conductor to each of the WTG’s and radially (earth conductor only) from each WTG to reduce the earth system resistance.
• Earthing conductor at each WTG tower, earth rods and all bonding to the WTG’s, Unit Transformers and Met Mast.
• Outdoor kiosk type unit transformer substation at each WTG, including RMU, transformer and LV CB.
• LV cables between unit substation and WTG main LV switchboard board (including termination).

Ph I  2004
Ph II 2009

Scope of works included:

• Electrical and protection scheme design.
• Civil engineering work covering turbine bases, upgrading of existing roads and cable trenching.
• Installation of cables, wall mounted protection panels and current transformers (CT’s), commissioning and testing.
• Design and installation of earth grids and connection of appropriate equipment.
• Project Manager responsibilities under CDM Regulations

Scope of works included:

• Electrical design of protection, control and battery/charger systems.
• Supply and installation of:
• One control and protection panel.
• One 33kV switchboard.
• One 48V battery/charger unit.
• LV and multicore cable.
• Earthing system.
• Procurement of 33kV cables
• Sheath test all MV and LV power cables.
• Provision of building services.
• Commission and test the above supplied and installed equipment.

Ph I  2004
Ph II 2007

Scope of works included:

• Supply, install, test & commission one 33kV switchboard.
• Design, supply & installation of Dynamic-VAR reactive compensation system.
• Design, supply, install and commission two control panels.