On 18 December 2020, the AER published its preliminary position on TransGrid and ElectraNet’s applications to amend their existing revenue determinations to account for the costs of delivering Project EnergyConnect in the 2018–23 regulatory control period. 

Energy Market Consulting associates (EMCa) provided expert technical advice on aspects of ElectraNet and TransGrid's forecast capital expenditure for Project EnergyConnect. The AER had regard to this advice in considering its preliminary positions on forecast capital expenditure for the South Australian and New South Wales components of the project.