State Significant Infrastructure
All state significant infrastructure (SSI) applications go through a comprehensive assessment process with extensive community participation.
The main steps in this process are summarised below:
In some cases there may be additional steps in the SSI process, including:
The assessment process for critical state significant infrastructure (CSSI) projects is the same as the SSI process.
Find out what information is required to make an application via the SSI application forms page.
Last updated: 13/04/2026