Ventia is a trusted partner to some of Australia and New Zealand's largest energy providers and users.

By offering a wide range of services we partner with utility owners to drive operating efficiencies, cost savings, safety and reliability, as well as assuring the ongoing value of energy assets.

With expertise in generation and transmission and the maintenance of large and complex assets and testing of high voltage power system equipment we service customers in city centres, regional and remote communities.

Explore our capabilities

We are key service provider to high volage transmission network owners and operators across Australia and New Zealand. 

Our team understands the critical importance of T&D infrastructure and our work is focused on minimising downtime and optimising operational efficiencies for our clients and their customers.

This service forms just one part of our broader energy industry offer.

Ventia is a valued, long-term partner to some of Australia and New Zealand's largest energy providers and users, working to drive operational efficiencies, cost savings, safety and reliability, assuring the ongoing value of energy assets.

Transmission line services

• Large scale design and construction capability​

• Live HV transmission maintenance​

• Complex brownfield work using live line techniques​

• Live stick and barehand expertise up to and including 275kV transmission voltages​

• Transmission line stringing​

• OPGW stringing​

• Asset inspection and condition monitoring ​

• Bespoke live line procedures to manage difficult outage requirements and constraints ​

• Innovative solutions using helicopter, drone and X-ray technology

Substation services

• Installation, testing and commissioning of primary and secondary equipment ranging from 415V to 400kV ​

• Tier 1 procurement, stakeholder engagement and SHEQ ​

• Condition assessments and refurbishment​

• Protection and SCADA upgrades​

• Testing and commissioning including IEC61850​

• Decommissioning of redundant assets​

• Testing and analysis of insulating oils​

Ventia is a leader in poles and wires construction and maintenance. 

Our team undertakes ooperations and maintenance (O&M) services on overhead and underground distribution lines across Australia for leading network owners and operators.

We also undertake capital projects including new construction and replacement of ageing infrastructure and well as critical support during severe weather events including power restoration.

Electrical distribution services

• Specialist electrical and telecommunication services​

• Design capability​

• Sequence and outage planning expertise ​

• HV and LV switching​

• Overhead and underground construction​

• Large complex projects​

• Ability to mobilise large crews to meet project needs​

• New construction and replacement of ageing infrastructure​

• Authorised and experienced in VIC/QLD distribution networks​

• Support during sever weather events including power restoration

 

Asset condition monitoring

• Asset inspection and condition monitoring ​

• Custom software and tools for data analytics​

• Powerful fleet of equipment using RTK and imaging to provide GPS locations of defects

• Realtime and automatic updates to notify significant damage requiring urgent repairs​

• Resistance testing and thermal assessments​

• Integration to client data management systems including asset management models for asset planning​

• Bespoke solutions and custom software including the use of machine recognition for asset condition analytics​

• Machine learning drives efficiency over time and used to re-baseline asset condition models

  

Our team brings extensive expertise in high-voltage supported by a range of specialised capabilities.

We are highly skilled in all forms of high voltage from 22kV through to 500kV and our team has established a strong reputation for its quality of work and attention to detail with their clients. We have experience with the installation, adjustment and maintenance. We bring strong relationships with steel and aluminium fabricators across Australia and can offer the supply and installation of all steelwork, equipment support structures, aluminium bus bars, and cable ladders.

Within our team we have experienced HV cable jointers who are able to perform aspects of HV and LV cable installation, cable jointing, termination and service of paper-lead, SWA, Polymeric & XLPE up to 66KV, and are skilled in the use of cold/heat shrink, jointing methods.

Ventia’s experienced electrician’s and testers pride themselves on delivering premium services from end to end on green and brown field sites. The experienced team offers peace of mind, with all installation works adhering to the latest Australian industry standards as well as unique customer specifications.

Additional capabilities include: 

• Supply, installation and connection of electrical cabling and wiring

• Manufacture, supply and installation of AC&DC auxiliary supply and distribution, including control panels, and associated switchgear transformers

• Manufacture, supply and installation of control & protection equipment

• SCADA, SCIMIS & HMI equipment

We provide engineering services for power transmission and distribution (T&D) infrastructure.

From project initiation and conceptual ideas to completion, our team composed of various engineering background and exceptional experience in the design and construction of T&D projects giving them a wide understanding of different systems, standards and methods. We provide the full range of services related to the planning, design, engineering and construction of HV power transmission systems, as well as with medium and low voltage distribution networks including protection, metering, communication and control systems.

Engineering design and support

• Transmission and distribution network analysis and studies

• Network connection of variety of power generation types – hydro, wind, solar, gas

• HV substation design and engineering outdoor and GIS

• HV power lines and underground cable design and engineering 

• Power system metering, automation and protection

• Telecommunications and SCADA 

• Civil, structural and geotechnical studies and engineering