Regulatory investment tests for transmission

VicGrid conducts regulatory investment tests for transmission (RIT-T) on potential transmission network and non-network projects.

The purpose of the RIT-T, as set out at clause 5.16 of the electricity Rules, is to identify the credible option that maximises the present value of net economic benefit to all those who produce, consume and transport electricity in the market.

The RIT-T process is a regulatory mechanism that applies an economic cost-benefit test to identify the preferred investment to meet an identified need.

When not an actionable Integrated System Plan project, the RIT-T process requires the RIT-T proponent considering an investment to publish 3 reports:

1. The Project specification consultation report (PSCR) seeks feedback and advice on the identified need to invest and credible options to be assessed.
2. The Project assessment draft report (PADR) identifies and seeks feedback on the assessment approach and proposed preferred option, considering submissions to the PSCR consultation process.
3. The Project assessment conclusions report (PACR) presents the RIT-T proponent’s preferred solution, considering submissions to the PADR, which is the credible option that maximises the present value of net economic benefit to all those who produce, consume and transport electricity in the national electricity market.

RIT-Ts in progress

RIT-Ts completed

Page last updated: 29/01/26