Delivery mode

Delivery mode


Delivery location

Delivery location

Sydney West

Course duration

Course duration

Full time 3- 4 years



Nationally recognised training

Course overview

The qualification covers work on transmission overhead powerlines, including the installation, inspection and maintenance of towers, poles, structures, conductors, and hardware.

The application of the skills and knowledge described within the units in this qualification may require a licence/registration to practice in the workplace.

Other conditions may also apply under state and territory legislative and regulatory licensing requirements which must be confirmed prior to commencing this qualification.

Entry requirements

There are no entry requirements for this qualification.

Course delivery: blended learning

This program module involves practice and experience in the workplace supported by a structured face-to-face and self-paced online learning and assessment program. There is a mix of formal and informal training and structured workplace experience allowing learners to demonstrate skills and knowledge for the program module.

Onsite at our Transgrid campus in Sydney West, you will work on our purposeful training site on de-energised high voltage (HV) powerlines conveying electricity from generating plants to substations. The practical training is held at Transgrid’s nominated regional training venues under the mentoring & support of Transgrid Trainer and Assessor.

Course structure

This qualification, UET30521- Certificate III in ESI - Transmission Overhead, includes 19 core units and 2 electives units from the elective units of which, 1 elective unit may be selected, with appropriate contextualisation, from a qualification in this or any other endorsed Training Package, provided the selected unit contributes to the vocational outcome of the qualification.

Core units

Licence to perform dogging


Licence to perform rigging basic


Licence to operate a boom-type elevating work platform (boom length 11 metres or more)


Apply work health and safety regulations, codes, and practices in the workplace


Fabricate, assemble, and dismantle utilities industry components


Solve problems in low voltage a.c. circuits


Solve problems in magnetic and electromagnetic devices


Solve problems in multiple path circuits


Solve problems in single path circuits


Use drawings, diagrams, schedules, standards, codes, and specifications


Apply environmental requirements


Operate plant and equipment in the vicinity of live electrical apparatus


Work safely in the vicinity of live electrical apparatus


Inspect and maintain transmission overhead network


Inspect transmission structures, conductors, and hardware


Install and maintain transmission conductors


Install and maintain transmission structures and hardware



Competency in this program module is assessed by:

  • Knowledge Assessment
  • Skills Practical Assessment 

Career pathway or job outcomes

The UET30521- Certificate III in ESI - Transmission Overhead qualification will provide you the skills and knowledge to work in the electricity supply industry (ESI) as an Overhead Transmission Line worker.

Course fees

For further information or questions please contact us at