High voltage testing

Maximising high voltage network integrity, keeping you online, all the time.

High Voltage Testing – Maximising High Voltage Network Integrity

LIVE HV provides a complete range of high voltage testing services. These include HV commissioning, planned shutdown, and end of life asset replacement.

high voltage testing and commissioning


Our comprehensive high voltage commissioning and testing regime gives asset owners a 360-degree failure mode coverage while ensuring that installations are ‘fit for purpose, built to design specifications and safe to operate.

Find out more >

high voltage equipment testing

Shutdown Maintenance

Our extensive experience in high voltage maintenance and asset testing ensures your scheduled shutdowns are effective, efficient and supported with comprehensive reporting and documentation.

Find out more >

high voltage testing services


LIVE HV provides end-to-end high voltage solutions to Power Generation, Transmission, Distribution, Industrial, Resource, Infrastructure and Renewable Energy sectors.

Find out more >

high voltage services


Condition-based asset management cuts costs by reducing unnecessary maintenance, identifying faults before they become failures, enabling strategic planning for repairs and replacement.

Find out more >

Our expertise

Types of HV testing we have expertise in:

  • Offline / Online Partial Discharge
  • Tan Delta / Dielectric Loss Angle / Dielectric Dissipation Factor
  • Relay Protection testing and programming
  • Primary Injection
  • Secondary Injection
  • Circuit Breaker Timing
  • Ratio, Polarity, Magnetisation Current
  • Earth Testing – Earth Potential Rise, Step & Touch Potential, Continuity
  • Winding Resistance
  • Turns Ratio
  • Sweep Frequency Response Analysis
  • Cable Fault Location
  • Thermal Imaging
  • Insulation Resistance & Polarisation Index

Where we work

LIVE HV are proud to offer all of our services across Australia and New Zealand.

  • Mobile HV testing vans
  • Latest range of test equipment
  • Experienced, qualified technicians

Case Studies

Read more examples of LIVE HV providing engineering and service solutions for our partners.


To the LIVE HV team,

Thank-you very much, I’ve had a great time with your team, you were very easy to deal with and professional.

I hope we can work together again soon

Satisfied Customer

A big congratulations from me too.

Lots of great work, by many people, well-coordinated, with a great result.

Satisfied Customer

ABB logo
Newcrest Logo
CitiPower Powercor
Woodside Logo

Industry Partners

Across Australia & New Zealand we have assisted partners from a range of industries. If you have a high voltage network, we have the expertise to be of service.

renewable energy live hv


Solar Farms, Wind Farms, Hydro Stations, Battery Energy Storage Systems (BESS)

mining live hv


Surface, Underground

oil gas live hv

Oil and Gas

Onshore, Offshore

utilities livehv


Power Generation, Power Transmission, Water

transportation livehv


Rail, Shipping Roading, Airports