Ireland Case Studies

Ardnagappary 110 kV 2018-2019

Project Description:
The new ESB Networks Ardnagappary 110/38kV Substation is located outside Bunbeg, Co. Donegal.
Omexom scope was the Electrical installation of:

  • a new 110/38 kV tail fed substation consisting of a single 110 kV AIS line/transformer bay
  • a 31.5 MVA 110/38 kV transformer
  • an Arc Suppression Coil
  • a 38 kV GIS busbar
  • a 38 kV GIS incomer transformer bay
  • a 38 kV GIS incomer line bay (Gate 3)
  • 2 No. 38 kV GIS feeder bays
  • a 38 kV GIS outgoer transformer bay and associated control building.

    During Phase 1 (Civils works) Omexom was also responsible for the Electrical fit-out of the substation building ahead of electrical installation.

    • Booltiagh 110kV Substation -Seahound Wind Developments 2017-2019

    Project Description:
    Substations: AIS - Air insulated substation

  • 110kV 3 bay station extension to Booltiagh 110kV substation
  • 1 no. 110/38kV 63MVA bunded transformer
  • 1 no. 110/38kV 31.5MVA bunded transformer
  • 1 no. 38kV/MV 15MVA bunded transformer
  • 1no. 38kV GIS Board/1no. 20kV MV Board
  • 1no. NER
  • 2no. ASC’s
  • C&P Cabinets, Interface/Marshalling Kiosks
  • Lightning Protection incl. Compound Earthing
  • 15mtr. O/H Tower

    Expertise: Underground cables: Trenching, excavation and back filling Civil foundations : Foundations design (surface and deep)
    Voltage (kV) : 110
    Start date : 09/2017 - End date : 07/2019

    • Castlecraig Wind Farm - 2018

    Project Description:
    Castlecraig wind farm is a 25MW wind farm based in Tyrone, Northern Ireland, which comprises of 10 Nordex Turbines.
    The Omexom Ireland & Renewables Business Unit undertook full project scope for the electrical balance of plant; including design, installation, commissioning, andsupervision of works.
    Omexom provided a range of experienced support personnel including project management, plantelectricians, commissioners, and senior authorised personnel.

    Technologies Used:

  • Supply, installation and commissioning of:
  • Customer Substation, Building Services
  • 33kV Switchgear
  • Control & Protection
  • Metering, G59 Relay
  • Pre-Insertion Resistor
  • MV Cabling
  • Fibre Optic Comms, Ducting, Earthing, etc.

    Customer Benefits:
  • Design/Construct/Commission of Renewable Energy System
  • Utilisation of Expertise/Previous Experience
  • Team Adaptability and Responsiveness
  • Continual communication with stakeholders

    • Bann Road PV Farm 33kV Substation 2016-2017

    Project Description:
    Introduction Bann Road PV Farm is a 45.75 MWp Solar Farm located in Co. Antrim, Northern Ireland. Omexom UK Renewables were responsible Installation of:

  • Electrical Control & Protection
  • 33KV Cable Jointing
  • Fibre Cable Installation and Commissioning of the 33kV Substation.
  • Overview
  • Protection and Control equipment.
  • 33KV Cable Jointing
  • Fibre Cable Installation
  • Commissioning

    • Tullabrack 110kV Substation 2016-17

    Project Description:
    Facilitating works included the 110kV Cable Installation from the existing Ennis / Booltiagh-Moneypoint Line Cubicle, new 38kV Trafo Cubicle, new 38kV Feeder Cubicle, 10MVA 38kV/MV Transformer.
    In addition, an extension to existing control and battery rooms was required.

  • Upgrade of the existing 110kV Bay H4
  • Installation of T141 Transformer (by ESBN)
  • Associated 110kV & 38kV Cubicles
  • Installation of Ballykett 38kV WF Cubicle
  • Installation of T421 38kV Cubicle
  • Protection upgrade works for Miltown Malbay and Kilrush
  • 38kV Cubicles
  • Installation and Commissioning of Control, Protection and Communication Panels

    • Cherrywood 110kV GIS Substation 2015-2017

    Project Description:

  • Wiring Mod to Electrical Design
  • Installation of110kV Surge Counters on all 110kV Phase Surge Arresters
  • Installation of 110kV Surge Arresters on 110kV Spare Bay
  • Installation of a 110/38kV, 63MVA Transformer
  • Droppers for Line Bay
  • Installation of Telecoms with the Installation of SCADA equipment.
  • Pre-commissioning of the completed Cherrywood 110/38/10kV Sub.
  • Commissioning

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