UET30521 is the nationally recognised Certificate III behind electrical linesworker work. It has been the current version on the national register since 2021, when it replaced UET30519. About 144 electrical linesworker jobs were advertised in June 2026, up 2.9% on a year earlier.
The independent signals behind the Certificate III in ESI - Transmission Overhead line up. Electrical linesworkers are in national shortage and enrolments are rising. These are official statistics, not a promise about your result.
Job ads for electrical linesworkers are holding steady. About 144 electrical linesworker jobs were advertised online in June 2026, up 2.9% on a year earlier. Over the last 12 months there were about 1,800 job ads, while 355 people were training in the qualification nationally (2025). Ads show the market. Enrolments show the pipeline. Neither is a job promise.
Australia's official shortage list rates electrical linesworker / electrical line mechanics and technical cable jointers as in shortage. The 2025 Occupation Shortage List rates Electrical Linesworker / Electrical Line Mechanic and Technical Cable Jointer as in national shortage.
Electrical linesworker jobs are projected to stay about flat. Jobs and Skills Australia projections put these occupations at 11,975 workers in May 2025, 12,076 by May 2030 (up 0.8%) and 12,600 by May 2035 (up 5.2%).
Enrolments in the Certificate III in ESI - Transmission Overhead are growing. Across Australia, 280 people enrolled in 2024. In 2025 it was 355, up 26.8% in a year. National data for UET30521 starts in 2022.
The register and the national framework set some of this. Providers set the rest.
State funding for UET30521 is being verified against official program lists.
Eligibility and student contributions vary by program and provider. The official state listing is the source of truth. In a subsidised place the government pays most of the tuition and you pay a co-contribution set by the program and provider.
The Certificate III in ESI - Transmission Overhead is 19 units: 17 core, plus 2 electives chosen from 15 options on the register. Prerequisites apply to 20 of them, marked below.
No Get Course partner currently lists this qualification. Check the national register for organisations approved to deliver it, and remember that approval to deliver is a regulatory fact, not a recommendation. You can browse live courses from our partners and enquire today.
Browse coursesGet Course maps UET30521 to its occupations using the register’s own outcome wording, shown with ANZSCO codes (here, 3422) so the mapping can be checked. Job advertisement counts come from the Jobs and Skills Australia Internet Vacancy Index and count online ads, not vacancies filled. Enrolment counts come from NCVER Total VET Activity and count people in training, not completions. Funding rows appear only after verification against the official state program list. Source vintages: register training.gov.au, synced 7 September 2026; Occupation Shortage List 2025 assessment; employment projections May 2025 to May 2035 release; Jobs and Skills Australia Internet Vacancy Index latest month June 2026; NCVER Total VET Activity 2025 collection; register synced 18 Sept 2026. Page last updated 19 Sept 2026.