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RIT-T Secondary Systems Replacement icon
RIT-T icon - Costs - 10.26million
RIT-T icon - Calendar - October 2023

Powerlink has recently published a Project Specification Consultation Report (PSCR) to address the secondary systems condition risks at Mt England Substation.

Mt England Substation is a 275kV switching station located approximately 39km north-west of the Brisbane Central Business District. It was established in 1983 to provide a connection point for Wivenhoe Power Station and facilitate the flow of energy from Tarong Power Station into the greater Brisbane transmission network via feeders to South Pine, Blackwall and Abermain Substations.

Planning studies have confirmed there is a long-term requirement to continue to supply the existing electricity services provided by Mt England Substation.

Commissioned almost 20 years ago, most of the secondary systems at Mt England Substation are reaching the end of their technical service lives, and are no longer supported by the manufacturer, with limited spares available.

The proposed preferred option to meet the identified need that is considered to satisfy the Regulatory Investment Test for Transmission (RIT-T) involves the replacement of selected secondary systems at Mt England, utilising the spare space in the existing building, by October 2023.

The indicative capital cost of the RIT T project for the preferred option is $10.26 million in 2019/20 prices.

Powerlink welcomes submissions from potential proponents who consider they may be able to offer a credible non-network option that is both economically and technically feasible to address the secondary systems condition risks identified in the PSCR.

Submissions are due by COB Monday, 2 March 2020.

Powerlink anticipates the publication of a Project Assessment Conclusions Report in May 2020 containing the results of the economic assessment.

In the context of engagement activities with consumers and the general community, Powerlink has assessed this project as ‘minor’ on the RIT-T stakeholder engagement matrix.

A copy of the Project Specification Consultation Report is available below.