Cowell Electric specialises in the Design, Engineering, Construction, Commissioning and Maintenance of powerlines from 66kV up to and including 330kV. 

Delivering end-to-end solutions for our clients the Cowell team can deliver all disciplines involved in major energy infrastructure projects, from design planning, engineering, procurement and construction through to the commissioning, operation and maintenance of transmission line networks. 

Our Transmission services extend to the following areas for each client depending on their individual needs; 

  • Design and Engineering specifications 
  • Erection of steel mono-poles, concrete, wood and stobie poles 
  • Commissioning and provision of construction and operation manuals 
  • Annual asset inspection and maintenance recommendations 

Stringing Capability

Our projects teams at Cowell Electric has extensive experience with both slack and tension stringing of conductors and OPGW. Our tension stringing experience is in both the conventional method as well as utilising helicopters, when the terrain and external environment warrant this method.

We own the full suite of tension stringing equipment and accessories including 

  • Tension stringing machines 
  • Helicopter stringing rollers 
  • Standard stringing rollers 
  • Anti-twist draw wire 
  • Concrete blocks

We have provided our specialist HV construction services to all Australian state regional areas.  Cowell Electric has developed both our fleet, plant and equipment and operating systems over our years of operating in these remote environments to handle the challenges that are encountered due to the tyranny of distance. 

Cowell Electric has deliver our high voltage services to asset owners across a diverse range of market sectors including; 

  • Utility companies 
  • Government corporations 
  • Heavy industrial 
  • Commercial sites 
  • Mining companies 
  • Oil and Gas 
  • Renewable Energy Sector 


Are you a Cowell Electricity Customer?

Flagship Projects

Carrapateena Truck

Carrapateena 11KV DCCT

Cowell Electric designed, supplied and construct approximately 6.4km of 11kV Overhead Lines including 6.4km of 11kV Overhead Lines configured as 2 by 3.2km circuits to 3 vent fan locations and 69 x 15.5m galvanised steel monopoles.

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SMA Olympic Dam

Cowell Electric installed and commissioned 11kV double circuit overhead distribution lines to supply power to the SMA.

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strung line

Silverton Windfarm 33KV

Cowell Electric installed and strung 51 slip jointed tubular steel structures ranging from 15-30m long and strung 7.7km of dual circuit overhead power line and 9.6km of single circuit overhead power line.

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Lincoln Gap CN-9 to 1

Lincoln Gap Windfarm 275KV

Cowell Electric constructed 6.8km 275kV overhead power line and included 6.8km of single circuit 275kV and OPGW power line using single sulphur conductor per phase and one overhead OPGW circuit on 27m-30m steel slip jointed tubular poles.

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Electrical Installations

Carrapateena Powerline

Cowell Electric designed and constructed approximately 7.5km of 11kV overhead power line including 40, 17m galvanised steel monopoles and 33klm of Mango conductors.

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Renewables - Bungala solar

Bungala Solar Farm

Cowell Electric installed approximately 4.3km of 185mm2 33kV cable to link 12 banks of 3AC/DC power stations in a daisy chain method and approx. 12.1km of 300mm2 33kV cable which links each of these 12 banks back to the main 33kV switchroom.

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