WINDFARMS

WHAT WE DO

Mainline has established itself as a major player within the Windfarm EBoP (Electrical Balance of Plant) Sector, delivering full EBoP Design and Build solutions ranging from large scale 73 Turbines windfarms in Sweden to smaller scale 6 Turbine Windfarms in Ireland, together with all associated Civil and Fibre works. We also often undertaken elements of CBoP (Civil Balance of Plant) works as part of our Client focused “turn-key solutions” approach.

Together with our in-house design team, we offer full EBoP Design and Build solutions, bringing together over 20 years practical experience and knowledge from Grid and Collector cable installation, jointing and testing, to Sub-station Design and Build, to Turbine Fit-out and Commissioning – Mainline is your one-stop solution partner.

SAMPLE PROJECTS

Hastkullen Wind Farm Sweden - EBoP

We are currently working in Northern Sweden, successfully delivering the 73 Wind Turbine Electrical Balance of Plant (EBoP) for Hästkullen Wind Farm, in the Nysäter wind park, close to Sundsvall. The scope of the project includes the following:

The engineering and construction (design, optimisation and build) of the 36kV Collector Cable to 73 wind turbines.
Over 90 km’s of associated civil works, trenching, and backfill, through a variety of terrains from wetlands to rock, including a number of directional drills.
Over 130km’s of associated Earthing Conductor works.
Over 130km’s of fibre telecommunication works.
The installation, cable jointing, testing, commissioning and energisation of almost 800 linear km’s of 36kV cable.
Over 130 km’s of 3 core 36kV cable.
Various additional civil works, including the construction of an Access Road.

Ballycumber Wind Farm Ltd – EBoP & CBoP

Mainline completed the EBoP (Electrical Balance of Plant) & CBoP (Civil) works in 2018, the scope of the 6 Wind Turbine 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 civil works.
Managing, liaising, co-ordination commissioning of the Sub-station with the ESB Networks (ESBN).
PSCS for all of the above.

Tullahennell Wind Farm – EBoP

Mainline completed the EBoP (Electrical Balance of Plant) works in 2019 (as part of a Joint-Venture), the scope of the 13 Wind Turbine project included:

EBoP Substation Design and Build / Fit Out (IPP and ESBN stations)
Wind Farm MV/HV Collector Cables (Installation/Jointing/Testing)
Grid Connection MV/HV Cables (Installation/Jointing/Testing)
Wind Farm Fiber (Installation/Jointing/Testing)
Commissioning of the Turbines.

Tullanamoyle Wind Farms II & III - Grid Connection

Mainline completed the Grid Connection works in 2018, the scope included:

The Design, Supply, Installation, Testing and Commissioning of the 20kV Grid connection including cabling, jointing, trenching, ducting and chambers.
All associated ROL & Traffic Management requirements.
The Gird Route was 20km in length (dual circuit – each 10km in length) and comprised of 8 double Joint Bays in total, with 4 (set of 6) Straight Through Joints & 4 Sheath (set of 6) Break Joints, terminations at 2 (set of 3) at the Wind Farm Substations and ESBN (Corderry Substation).