Submit a proposal

The Assessment Framework is changing in line with amendments to the Infrastructure Australia Act 2008. Find out more here.

On 1 June 2023, we received an addendum to our Statement of Expectations to identify that Infrastructure Australia should only accept proposals from Australian, state or territory Governments.

Our Assessment Framework explains our basic requirements for submissions and how we assess infrastructure proposals.

The Assessment Framework is designed for anyone who wishes to submit an infrastructure proposal to Infrastructure Australia. It guides you on the steps you should take to develop high-quality infrastructure proposals and meet our requirements for submissions.

Submissions to the Infrastructure Priority List

The Infrastructure Priority List is changing in line with amendments to the Infrastructure Australia Act 2008. Find out more here.

There are two reasons to submit an infrastructure proposal to us.

The first is to have the proposal considered for the Infrastructure Priority List.

If this is the case, the table below explains our submission process.

Stage 1
Stage 2
Stage 3
Stage 4

Stage overview

During Stage 1, you will clearly identify the problems and opportunities you are seeking to solve and the opportunities you are seeking to realise.

Download the Stage 1 volume of the Assessment Framework to understand what is required at this stage.
Engage with us for advice if you have any questions while developing your Stage 1 submission using our Stage 1 submission template.
Contact us at proposals@infrastructureaustralia.gov.au to organise a secure file transfer for your completed submission.

Outcome

If we positively assess your submission by agreeing that you have provided sufficient evidence to demonstrate that the problem or opportunity is nationally significant, we will list your proposal on the Infrastructure Priority List as an ‘early-stage proposal’.

Go to Stage 1

Stage overview

During this stage you will develop and assess a wide range of options that could address the problems and opportunities you identified in Stage 1.

Download the Stage 2 volume of the Assessment Framework to understand what is required at this stage.
Engage with us for advice if you have any questions while developing your Stage 2 submission. Use our Stage 2 submission checklist to ensure you have included all the information you need.
Contact us at proposals@infrastructureaustralia.gov.au to organise a secure file transfer for your completed submission.

Outcome

If we positively assess your submission by agreeing that you have demonstrated a rigorous process to identify an appropriate shortlist of options, we will list your proposal on the Infrastructure Priority List as ‘potential investment options’.

Go to Stage 2

Stage overview

During this stage, you will develop a business case for your infrastructure proposal. The business case will demonstrate how you have assessed options in detail to identify a preferred option based on merit.

Download the Stage 3 volume of the Assessment Framework to understand what is required at this stage.
Engage with us for advice if you have any questions while developing your business case (Stage 3 submission). Use our Stage 3 submission checklist to ensure you have included all the information needed.
Contact us at proposals@infrastructureaustralia.gov.au to organise a secure file transfer for your completed submission.

Outcome

Once we have assessed your submission, we will:

list your proposal on the Infrastructure Priority List as an ‘investment-ready proposal’ if it is positively assessed
publish a summary of our evaluation on the Project Evaluations section of our website.

Go to Stage 3

Stage overview

This stage occurs after your project has been delivered.

You will review the project to compare the outcomes and delivery against the expectations in the business case, and identify lessons for future projects.

Download the Stage 4 volume of the Assessment Framework to understand what is required at this stage.
Engage with us for advice if you have any questions while developing your post completion review (Stage 4 submission). Use our Stage 4 submission checklist to ensure you have included all the information needed.
Contact us at proposals@infrastructureaustralia.gov.au to organise a secure file transfer for your completed submission.

Outcome

Through conducting a post completion review, you can capture lessons from the project to improve future projects and demonstrate successes. There is no formal output published of our assessment of a Stage 4 submission.

Go to Stage 4

Other submissions

The second reason to submit a business case to us is because $250 million or more in Australian Government funding has been committed to the proposal. We are required to evaluate business cases for infrastructure proposals with funding committed above this threshold.

If this is the case, get in contact with us to discuss your submission. You can contact us via email at proposals@infrastructureaustralia.gov.au or call us on (02) 8114 1900.

Detailed technical guidelines

To help you develop your proposal, we have produced a series of detailed technical guidelines alongside the Assessment Framework volumes. These provide additional detail on specific methodologies and approaches you can use when developing your submission to us.