Underground Power

Geographe Excavation and Underground Power has had extensive experience with a diverse range power and communication installations. From street light installation, optic fibre, pilot cable, LV and HV cables through to the installation of distribution and transmission cables.

Specialising in large diameter cable hauling or cable realer installation, Geographe Excavation and Underground Power has the gear required to install any size or length of cable.

Our ability doesn’t stop just in the ground, Geographe Excavation and Underground Power can also complete all overhead works on a range of utility and private networks, from construction maintenance or demolition.

  • Cable laying of all HV and LV Cables
  • Cable jointing and terminations to Western Power, Horizon Power and AS3000 standards
  • Transformer and RMU installation or replacement
  • Pole to pillar work
  • Street light installation (Western Power, Horizon Power and Main Roads compliant)
  • Deep earthing and hard rock drilling
  • Switching
  • Overhead works

Underground Power Projects

Millyalling Transformer upgrade

Geographe Excavation and Underground Power was engaged to install a 22KV/33 KV step-up step-down transformer in the eastern wheatbelt for one of our clients. The works comprised of the installation of: culvert and base; transformer; cable to the existing overhead network; deep earthing; decommissioning of the existing overhead step up, step down transformer compound and […]

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Symphony Waters Stage 2

Cowara Contracting
Symphony Waters Cover

Geographe Excavation and Underground Power recently completed the power and the NBN installation at Symphony Waters Stage 2 subdivision in Cowaramup. The job included, laying and termination of HV/LV cable; transformer installations including deep earthing in granite to depths past 100m on multiple sites; installation of street lights, direction drilling (HDD) under Treeton Road; as […]

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Optic Fibre and RMU Works

Onslow Salt

Geographe Excavation and Underground Power has successfully completed the following works for our client Onslow Salt. Installation, cut over and commissioning of the new RMU, Metering and Voltage Transformers across two separate sites in Onslow. These works also involved the installation of 2.5km of pit and pipe network, hauling of optic fibre and commissioning of […]

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RMU Change Over

Western Power

Geographe Excavation and Underground Power successfully completed a RMU change over on Bussell Hwy, Busselton. The site presented access challenges and high volumes of passing traffic. The job was completed within the allocated outage times even though the scope changed during the outage as cable was not as per as-constructed information. […]

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Streetlight Replacement

Western Power

What happens when car meets streetlight…. we come in and clean up the mess! Usually these accidents happen after hours and need a quick response to get the lighting restored. Geographe Excavation and Underground Power did exactly that – we responded to the emergency call out, organised the traffic management, removed and replaced the pole […]

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Rural Subdivison

Cowara Contracting

Project Name  Leeuwin Parklands Estate This special rural lot sub division had almost sold out before construction began. Scope of work has included, trenching in clay and hard rock, directional drilling, laying of LV/HV cables, HV/LV cable jointing, pit and pipe installation, deep earthing, street light installation, service lowering/realigning of existing power and NBN for […]

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RMU Change over

Western Power

Geographe Excavation and Underground Power was engaged to change over a RMU located within a Water Corporation site in Eaton. The project required extensive planning and communication with all stakeholders involved. The project went off without any problems and power was restored well before the anticipated deadline. […]

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HV Cable and RMU installation

Onslow Salt

Geographe Excavation and Underground Power was asked to replace an aging HV cable for the salt stacker with new terminations into the existing transformer and RMU. The installation was made difficult with the overhead change of direction in the cable and the limited access. Through planning and design we where able to find a solution […]

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Onslow Distributed Energy Resource

Horizon Power

The Onslow Distributed Energy Resource (DER) Project connected traditional energy sources with distributed solar and battery solutions, to maximise the amount of renewable energy in Onslow. Geographe Excavation and Underground Power was engaged by Horizon Power for the installation over 12kms of 400HV feeder cables from a new zone substation to the existing Onslow distribution […]

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