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  • July 15, 2021
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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, Western Power and the City of Canning.
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  • News
  • July 15, 2021
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Trigg Last Pole Ceremony

Traditionally a last pole ceremony is held at the conclusion of a successful Underground Power Project.
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  • News
  • July 15, 2021
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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 like-for-like replacement of these assets.
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Mainswest Services

  • Underground Power
  • Communication Services
  • Commercial Construction
  • Substation Upgrades
  • Subdivisional Works
  • Technical Services

Recent Posts

Mainswest Strengthens Fleet with New Vehicles and Excavator
  • April 29, 2026

Mainswest Strengthens Fleet with New Vehicles and Excavator

Osmose Acquires Mainswest Pty Ltd
  • January 29, 2026

Osmose Acquires Mainswest Pty Ltd

Shelley West Breaking Ground Ceremony
  • July 15, 2021

Shelley West Breaking Ground Ceremony

Trigg Last Pole Ceremony
  • July 15, 2021

Trigg Last Pole Ceremony

About

Mainswest Pty Ltd, An Osmose Company, 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.

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Services

  • Underground Power
  • Communication Services
  • Commercial Construction
  • Substation Upgrades
  • Subdivisional Works
  • Technical Services

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  • Core Competencies
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Contact Us

8b Dellamarta Road,
Wangara WA 6065

  • (08) 9303 1540
Email Us

ACN 161 453 783
ABN 76 161 453 783
EC Lic. 10816

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