Substation entry level 1 authority renewal

Online assessment to confirm that you demonstrate the necessary competencies for Substation Entry Level 1 (XSUB1) authority.

Assessment duration

60 minutes

Suitable for

People who are required to renew their Substation Entry Level 1 (XSUB1) authorisation.
This renewal is required every two years


XSUB1 authorisation
Note: All prerequisites need to be current.

What you will need

  • a computer with access to the internet
  • Electrical Systems Safety Rules (ESSR)
  • Transmission Substation Work Practice Manual (for contractors) or Depot Pack (Western Power staff)

The assessment

You must attempt the assessment within the allocated time and cannot return to it if interrupted.
The assessment pass mark is 100%
A pass will result in the renewal of your authorisation. Failure to achieve 100% will result in the suspension of your authorisation.

Associated Authorisations

XSUB1 - Substation Entry Level 1 authority.
For information on how to apply for an Authorisation, contact the Authorisations Team