Earthed High Voltage

High Voltage Electrical Services in South Australia

Dedicated High Voltage specialists using innovation to drive South Australia's green energy future.

Capabilities

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Serving South Australia

Committed to Safety & Excellence in High Voltage Electrical Services

At Earthed High Voltage PTY LTD, we’re dedicated to providing high voltage electrical services that meet the highest standards of quality and safety. Based in Adelaide, we specialise in underground cable installations and terminations, particularly within the renewable energy sector.

We take pride in executing every project with precision, ensuring reliable, safe, and efficient outcomes. We understand the critical nature of high voltage projects and are committed to delivering solutions that you can trust.

Our Capabilities

Underground Cable Installations & Terminations

Expert installation and termination of both high- and low-voltage underground cable systems (up to 66 kV), backed by certifications from Nexans, Prysmian, SA Power Networks and beyond. Our elite technicians are equipped to isolate, locate and repair even the most challenging faults — all while maintaining uncompromising standards of safety, reliability and quality.
Let Earthed High Voltage deliver precision you can trust.
Windfarm Electrical Installations

Specialised high-voltage solutions for wind-farm projects — we expertly execute medium- to high-voltage cable installation and termination to seamlessly tie private networks to regulated grids across South Australia and Victoria. Our work ensures your green energy is reliably delivered, with the precision, compliance and performance you demand.
High and Low Voltage Switch Gear Installations

Comprehensive installation of high and low voltage switch gear, supporting smooth power distribution with quality-assured setups.
General Powerline Underground and Overhead Services

With over 10 years of experience, we deliver safe and reliable solutions for underground and overhead powerline projects, meeting all distribution needs.
Solar Farm Construction and Maintenance

Full coverage solar farm builds, with proven experience in management of the electrical components of a solar farm, using our SAPN background to liase and create unity between private networks and SAPN.
High Voltage Operating Authority

Behind the scenes Earthed has created a format of ePermit and eSwitching to systemise renewable energy system operation and maintenance, once a project gets handed over to the client Earthed can provide HVOA coverages to assist in quality operations.
Solar/ Battery Installations

With government rebates ramping up and large infrastructure contracts reshaping the energy space, there's no better moment to act. Reach out to Simani at Earthed Energy today for a full-spectrum audit of your home energy profile — we’ll map out the ideal solar + battery configuration that fits your lifestyle, your roof, and your budget.
Let us show you how to turn incentives and innovation into your home’s energy advantage.