HV and LV Services

Our priority is problem-solving to ensure your project runs smoothly, safely and on-budget from start to finish.

HV & LV Cables
HV Maintenance
General Services

When it comes to maintenance and potential issues, delaying can cause major safety hazards and downtime.
Book it in before it becomes a problem. 


We are a full scope electrical service provider. We offer a comprehensive range of services including design, project management, construction, installation, commissioning, auditing, shutdown management, scheduled maintenance plans, and routine maintenance including testing.

 We quote to our client’s problem, and we believe in custom solutions. 

Our technicians and operations managers all specialise in high voltage systems.
They are electrically trained and industry educated on all aspects of power generation, transmission, protection and engineering, with regular accreditation and training facilitated by us.

Transformers & Generators

  • Installation
  • Routine inspections & Maintenance
  • Overhaul and refurbishment
  • Oil filtration online/offline
  • Condition monitoring and oil sampling
  • Oven drying of transformer cores
  • Internal inspection and fault repairs
  • Tap changer maintenance
  • Retro filling with environmentally friendly oil
  • Programmed maintenance
  • Gasket replacement


  • HV & LV Cable fault location & spiking.
  • HV & LV Cable joining, splicing & terminating to equipment.
  • HV & LV Cable testing.

Maintenance & ServicinG

  • HV & LV substation installation/maintenance/service

  • High & low voltage Switchboard installation/maintenance/service

  • High & low voltage Circuit breaker installation/maintenance/service

  • High & low voltage equipment protection devices primary or secondary testing

  • HV voltage equipment (Surge arrestors, CVTs, VTs, ABS’s, insulators) installation/maintenance/service

  • HV motors installation/maintenance/service

General Services

  • HV Switching
  • 24/7 callouts and breakdown
  • SF6 gas equipment contained leak repairs, handling, and analysis
  • Earth grid installation & testing
  • Partial Discharge testing
  • HV Equipment Moving parts cleaning & lubrication
  • HV PPE equipment testing
  • Switchboard design, installation, and testing

Get In Touch


890 Boundary Road,
Richlands, QLD 4077

p. 07 3022 3301
e. brisbane@protechenergy.com.au


138 -141 Webb Drive,
Bohle, 4818

p. 07 4789 8000
e. townsville@protechenergy.com.au

Send an Enquiry

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