Private High Voltage

Wilken Service Pty Ltd

Private High Voltage Electricians

Wilken Service Pty Ltd is the company you need to call for all your private high voltage needs. Our team or High Voltage electricians provide a diverse range of services that will meet all your needs. No job is too big or too small.

You can rely on Wilken Service to get the job done right, on time, and within budget. We’re passionate about electrical work and it shows in our exceptional workmanship. Wilken Service holds the following accreditations:

Complete turnkey solution from application to energization

Wilken can streamline your project process by using our own in-house planners, designers and construction team to maintain end-to-end accountability and avoid costly delays.

Wilken can provide Private high-voltage transmission lines, substations, and other critical components of the electrical grid.

We take great pride in providing quality electrical construction services to builders and electrical contractors throughout NSW.

Our Engineering and Design services encompass the generation, transmission, and distribution of electrical power.

With an average of 70 staff, we have the team you need to handle your essential operation and maintenance requirements.

Our highly skilled team provides a complete range of Utility and Energy infrastructure associated services.

We offer a complete turnkey solution from initial application for supply through to energization including project management.

Public and private high voltage
Completed Projects

Delivering impactful electrical construction services

Over 2000 projects completed across Domestic, Commercial, Industrial, Government Institutions, Shopping Centers, Factories, Hospitals, Medical Institutions & Defence.

  • John Holland Pty Ltd

    Establishment of a Triple 1500kVA Suburban (Non CBD) Surface Chamber Substation for the University of Sydney.

  • Westmead Childrens Hospital

    The Westmead Institute for Medical Research

    Installation of Helipad Lighting incl FATO, Landing and direction take off lighting, TLOF Perimeter lighting and Windsock installation.

  • Australian Technology Park - Small

    Mirvac Constructions Pty Ltd

    Supply and installation of over one hundred and eighty smart poles, together with sitewide power & communication.

A high voltage electrician, sometimes called a power systems operator, or substation technician, is a skilled and highly trained professional who specialises in installing, maintaining, and repairing high voltage electrical systems.

Their deep understanding of electrical theory and safety protocols is essential for managing the inherent risks associated with high voltage systems. Some of their primary responsibilities involve working with power lines, electrical substations and transformers.

These electricians often carry out tasks such as testing circuits, repairing transformers, installing power lines, and maintaining high voltage systems. They are indispensable during events like power outage restoration, system inspection, equipment maintenance, dealing with electrical failures, and power system installations.

Their work mainly takes place in power stations, electrical substations, industrial plants, and sometimes at construction sites. Overall, the role of a high voltage electrician is highly specialised and can be high-risk, requiring certified training and a high degree of caution.

The primary difference between low voltage and high voltage electricians lies in the voltage levels they handle, the specific types of jobs they undertake, and the levels of safety and training required for each role.

Low voltage electricians, often work to distribute power to a customer for domestic or industrial use, basically, to residential homes or small commercial businesses. Within Australia,  low voltage refers to a voltage exceeding extra-low voltage, but not exceeding 1000 Volt alternating current (a.c.) or 1500 Volt direct current (d.c.) as defined within the Australian / New Zealand Standard AS/NZS 3000 — Wiring Rules.

On the other hand, high voltage electricians are involved with power transmission and distribution systems. Within Australia “High Voltage” is considered as any level exceeding Low Voltage” according to the definition in AS/NZS3000:

  • Extra-low voltage: Not exceeding 50 V a.c. or 120 V ripple-free d.c.
  • Low voltage: Exceeding extra-low voltage, but not exceeding 1 000 V a.c. or 1 500 V d.c.

The work of high voltage electricians is considered more hazardous due to the potential dangers associated with high voltage electricity. As such, the job requires rigorous safety protocols and experienced personnel.

Regardless of the voltage they work with, both types of electricians need a strong foundation in their trades. They need to be trained in using various tools, understanding electrical systems, and ensuring safety. However, the tools used and the specific nature of the job can vary significantly.

High voltage electricians tend to need more heavy-duty tools and safety equipment due to the increased risks associated with their work. Conversely, low voltage electricians might work with more delicate, precision-based tools.

Career paths for both types of electricians involve hands-on labour and usually require a mix of formal education and apprenticeship. The skillset for high voltage electricians is more specialised, given the high-risk nature of their work, and they generally require more extensive training.

Regardless of the type of electrician, abilities such as problem-solving, physical stamina, and attention to detail are essential. The ultimate goal of any electrician, regardless of voltage, is to ensure the safe and effective operation of electrical systems.

HV Feeder Installation

Great team to work with!

Wilken’s diligence and proactive approach through the project is what ensured the critical HV feeder installation went as smoothly as it did. You have been a great team to work with and look forward to working with yourselves again.

Neil Donald

Neil Donald
Associate Director – Area 3

Supplying electrical infrastructure to Australia’s leading brands

We have 40+ years experience supplying Utility and Energy infrastructure that’s trusted by some of Australia’s leading brands.

City of Sydney
Royal Australian Air Force
Westmead Childrens Hospital