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About Us
Mainswest Pty Ltd is a civil and electrical contracting organisation specialising in the construction
and maintenance of underground utilities for both private and government clients throughout
Western Australia.
Mainswest Services
Underground Power
The State Underground Power Project (SUPP) in conjunction with the Office of Energy, Western Power and the relevant Local ...
Communication Services
Mainswest have been heavily involved in the construction roll out of the NBN since October 2013 for NBN principal contractors ‘Fulton Hogan’ and ‘Downer Group’...
Commercial Construction
Mainswest was enlisted by Georgiou to supply and install 35 street light poles including all excavation, concrete footings, conduit, cabling, switchboards...
Substation Upgrades
Mainswest Pty Ltd is Western Power accredited to perform substation upgrades and maintenance including the following recent projects...
Technical Services
Mainswest is a specialist in High Energy Services including equipment installations, servicing, testing and repairs. Mainswest is currently completing numerous high....
Subdivisional Works
Mainswest has completed numerous subdivision projects for various developers, builders and asset owners including RJ Vincent, Georgiou Group...
Core Competencies
Mainswest combines its commitment to quality and professionalism with the energy
and innovation necessary to provide cost effective, end-to-end services to clients.
Projects
Trigg SUPP
With Western Power undergoing upgrades to the North Fremantle Substation, Mainswest was contracted to assist in the scope of open excavation and installation of 630mm 11 kV XLPE Cable, 240mm 11kV XLPE Cable and HD Conduit…
EC & M / FMG Site T155 Port Expansion Project
The FMG Site T155 Port Expansion Project was a project that delivered great opportunities of FMG along the Port Expansion in Port Hedland, which also delivered an awesome feat and a great opportunity for Mainswest which…
Georgiou / Perth Waterfront – Freeway Lighting
Elizabeth Quay (formerly) Perth Waterfront is a Project that will return the city's focus to the iconic swan river and enhance Perthshire reputation as one of the most liveable cities in the world.
Wolfe Civil / Brighton Estate Butler
Mainswest has been involved with numerous stages in Brighton Estate since the very first project commenced back in 2000.
Downers EDI / Curtin University RIngmain 2 & 3 HV Terminations
After installing all the high voltage cabling within the first stage of this university project we were fortunate to be invited back to site for Downer EDI to work as partners in finalising the 22kv /…
Western Power / North Fremantle Substation Distribution & Switchyard 66kV Upgrade
With Western Power undergoing upgrades to the North Fremantle Substation, Mainswest was contracted to assist in the scope of open excavation and installation of 630mm 11 kV XLPE Cable, 240mm 11kV XLPE Cable and HD Conduit…
News
Shelley West Breaking Ground Ceremony
Exciting times ahead for residents of Shelley West as Mainswest get underway in Q3 2020 in delivering underground power in conjunction with the State Government,…
Trigg Last Pole Ceremony
Traditionally a last pole ceremony is held at the conclusion of a successful Underground Power Project.
Scarborough NRUPP Pilot Program
Western Power constantly renew and upgrade the distribution overhead network when assets are coming to the end of their service life. Traditionally, the work involves…