On 19 August 2026, Powerlink notified the AER that a material change in circumstances (MCC) has occurred for this project in accordance with clause 5.16.4(z3)(4) of the NER. The notice identified that the primary cause of the MCC was that a RIT reopening trigger defined in the Project Assessment Conclusions Report has occurred. That is, that credible evidence has emerged that a change(s) in retirement dates and/or operational arrangements for coal generating units changes the identified need for system strength requirements, and/or the preferred option in this RIT-T.