
High Voltage Termination Experts
High Voltage Done Right. Every Time.
Australia’s mining, renewables, and infrastructure sectors trust The High Voltage Company to get HV work done right.
Trusted by Industry Leaders
From major mines to hospitals and renewable energy sites - these are some of the names that trust us with their HV work.
Our Capabilities
Full-Scope HV. No Gaps.
From a single cable termination to a multi-million dollar renewable energy installation, we handle the full range of high voltage electrical work - including specialist capabilities most contractors can't offer.
HV Cable Terminations
Cold shrink, heat shrink, elbows, and inner cone elbows across XLPE, EPR, trailing cable, and paper lead cable up to 66kV.
Transition Joints
Transition joints on paper lead to XLPE cable is something we specialize in and complex capability. Many competitors refer this work to us.
HV Testing
Our team are dual-qualified as electricians and cable joiners - we test our own work and supply full documentation.
HV Installs
We supply and install underground HV cable, transformers, switchgear, HV switchboards, and ring main units for your project.
Why HV Co
High Standards. No Shortcuts.
HV Co exists to raise the bar. Show up, produce high quality work, and leave something worth being proud of.
Difference #1
We test our own work
Most HV contractors can't. Our team holds dual qualifications as electricians and cable joiners - which means every installation we complete, we test ourselves. No third party or gaps in accountability.
Difference #2
We have the team to back it up
Our experienced people. Two regional hubs. Where most competitors operate as one or two person operations, we can mobilise quickly and handle large-scale project demands without compromising quality.
Difference #3
QA package included
Every job is backed by a full quality assurance package. You'll have the paperwork, the test results, and the evidence of a job completed to standard.
Difference #4
Trusted by the industry
Mining, renewables, hospitals, defence. The clients who rely on us don't have room for contractors who underdeliver. Anglo American, BMA, Pembroke, Ramsay Health Care. Trust earned on-site, job by job.
Case Studies
Work We Stand Behind
From a single cable termination to a multi-million dollar renewable energy installation, we handle the full range of high voltage electrical work - including specialist capabilities most contractors can't offer.

15km of Cable on 200MW Battery Storage Commissioning
15km of 33kV cabling installation, termination and commissioned on 200mW Battery Energy Storage System.
View Project
66kV Haul Road Crossing Underground Installation, Termination & Testing
Installation, Termination and testing of a 66kV haul road crossing underground cable allowing mine production operations to safely continue uninterrupted...
View Project
CQ Mining Site Emergency HV Cable Fault Repair
Emergency HV cable fault repair and full cable replacement on High Voltage plant. HV Co was able to mobilise to...
View Project

About Us
A Team That Takes the Work Seriously.
HV Co is a young, capable team built on a simple idea – do the job properly, every time, without making it complicated for the client.
With an experienced high voltage team, we’re based on the Sunshine Coast and in Central Queensland, and we work across Australia wherever our clients need us.
We move fast, we communicate clearly, and we leave every site with the job done properly and the QA package to prove it.
Contact Us
Contact us directly at the details below.
Call Us
0413 039 434Email Us
scott@hvco.com.auOur Location
QLD Based, Australia Wide
Follow Us
Ready to Talk About a Job?
Talk to our experienced team. We can chat about your project and requirements, and get any information we need to provide a quote.





