On 31 May 2021, the AER published letters setting out details of its final decisions on ElectraNet and TransGrid's contingent project applications for Project EnergyConnect. The AER's determination documents, setting out the reasons for the AER's final decisions, are also provided below.

The revised post-tax revenue models (PTRMs) are available from ElectraNet's 2018-23 revenue determination and TransGrid's 2018-23 revenue determination.