WHO WE ARE

Mainline Group is a leading utility solutions provider servicing the Power, Water, Telecom & Energy sectors, operating in Ireland, the UK, and Scandinavia. We provide a diverse range of services from the Design & Build of Sub-stations, to construction of Airside Aviation Infrastructure, to Turn-key Wind & Solar Energy Solutions.

DELIVERING OPERATIONAL EXCELLENCE FOR A BETTER FUTURE

ONGOING & RECENT PROJECTS

Hastkullen Wind Farm Sweden - EBoP

Mainline Power Nordic AB (part of Mainline Group) has entered into a contract with Nordex Sverige AB for the Electrical Balance of Plant (EBoP) delivery for Hästkullen wind farm, including engineering and construction (design and build) of the MV Collector Cable to 73 wind turbines in the Nysäter wind park, in Northern Sweden close to Sundsvall. The contract includes the design, installation, testing, commissioning and energisation of over 150 km’s of 3 core 36kV cable, and all associated civil works, trenching, backfill, cable jointing, and earthing conductor works, as well as over 150km’s of fibre telecommunication works.

Dublin Airport New North Runway – Full Electrical Package

The new North Runway project in Dublin Airport is the most ambitious airfield project in Ireland for a very long time, which upon completion will become a vital piece of national infrastructure, as it will relieve the congested current runways and significantly increase the capacity of the Dublin Airport, whilst improving the customer experience.

Mainline are the Lead Electrical Contractor on this large scale project:

Pulling primary cables into the ducts alongside the runway
Installing shallow bases to prepare for Airfield Ground Lighting fit-out
Pulling secondary cables feeding each light
Installing Transformers into the manholes
Terminating primary and secondary cables
Fit-out all needed types of lights
Runway lights
Taxiway lights
PAPI lights
Airfield signs
Approach lights
Fit-out of 2 substations
Mechanical fit-out
Installing circuit breakers
Installing Transformers
Installing Constant Current Regulators (CCRs)
Installing back-up generator
Installing Distribution Board
Testing and commissioning of the whole system

Ballycumber Wind Farm Ltd – EBoP & CBoP

Mainline completed the EBoP (Electrical Balance of Plant) & CBoP (Civil) works in 2019, the scope of the project included:

EBoP Substation Design and Build / Fit Out (IPP and ESBN stations)
Wind Farm and Grid Connection MV/HV Cables (Installation/Jointing/Testing)
Wind Farm and Grid Connection Fiber (Installation/Jointing/Testing)
Completion of the CBoP Works upon Termination of CBoP Main Contract (due to Examinership of the CBoP Contractor). CBoP Works included significant Substation, Wind Farm, Delivery Route and 38kV Grid Connection works.
Managing, liaising, co-ordination commissioning of the Sub-station with the ESB Networks (ESBN).
PSCS for all of the above.

Cork Non-domestic Water Metering – D&B and O&M

Mainline was the sole supplier to Cork County Council to design, build and install 20,000 non-domestic water meters in Cork. The Design & Build (D&B) contract was completed in 2010. In conjunction with this, Mainline Operates and Maintains (O&M) the 20,000 non-domestic water meters on behalf of Cork County Council / Irish Water. The O&M contract commenced in 2006 and continues until 2021. Under the O&M contract, we read, repair and maintain all 20,000 meters, as well as manage all other aspects of the water meter infrastructure, including identification of new Customers, surveying and new meter installations. The O&M project also deals with the capital replacement of the 20,000 installed meters, all of which were replaced between 2016 and 2019.

Nordex Energy Ireland Ltd - Slievecallan Wind Farm (East and West)

Site: Slievecallan Wind Farm (East and West), Glennageer, Co. Clare.

Work Completed: 29 x Turbines Energised following testing and commissioning. Managed HV Safety rules on site for the client to allow for the VLF testing of circuits, access into the Basement of the Turbine for Ongoing maintenance.

GE Energy (Ireland) Ltd - Tullahannell Wind Farm

Site: Tullahannell Wind Farm, Tullahennell South, Co. Kerry.

Work Completed: 13 x Turbines Energised following testing and commissioning. Managed HV Safety rules on site for the client to allow for the VLF testing of circuits, access into the Basement of the Turbine for Ongoing maintenance.