RIT-T for replacement expenditure planning
The Australian Energy Market Commission extended the application of the Regulatory Investment Test for Transmission (RIT-T) to replacement expenditure planning as of 18 September 2017.
Transitional arrangements
Powerlink has a number of projects that were expected to become committed during the transitional period between 18 September 2017 to 30 January 2018 and were therefore be excluded from the RIT-T process. Once the committed project criteria are fulfilled, details of any such projects are to be published on Powerlinkâs website in compliance with rule 11.99 of the National Electricity Rules.
| Project name | Scheduled completion date | Project description | Project commissioned |
|---|---|---|---|
| Callide A/Calvale 132kV transmission reinvestment | August 2021 | At Calvale Substation establish a second 275/132kV transformer. | 30 July 2021 |
| Garbutt 132/66kV transformers replacement | 30 August 2019 | At Garbutt Substation remove both of the existing transformers from service and replace with two new 100MVA 132/66kV transformers. | 25 July 2019 |
| Dysart transformer replacement | July 2024 | At Dysart Substation replacement of both of the existing 132/66/22kV transformers with two new 132/66/11kV transformers. | |
| Dysart primary plant replacement | 30 June 2020 | At Dysart Substation full replacement of 132kV primary plant and selected replacement of 132kV secondary systems. | October 2019 |
| Line refit works on the 275kV transmission line between Woolooga and Palmwoods Substations | June 2023 | Between Woolooga and Palmwoods Substations selective replacement of 275kV steel structure components. | September 2023 |
| Ashgrove West Substation replacement | June 2022 | At Ashgrove West Substation replacement of selected 110kV primary plant and secondary systems. | July 2021 |
| Gin Gin Substation rebuild | June 2022 | At Gin Gin Substation replacement and reconfiguration of the 275kV and 132kV switchyards. | November 2021 |
| Line refit works on the 132kV transmission line between Eton Tee and Alligator Creek Substation | December 2025 | Between Eton Tee and Alligator Creek refit and paint of the 132kV structures. | |
| Calvale and Callide B secondary systems replacement | December 2024 | At Calvale Substation and Callide B Power Station replacement of the majority of 275/132kV secondary systems equipment and panels and removal of redundant equipment. |