We have now published our draft decision on Marinus Link's Stage 1, Part B (Construction costs) electricity transmission determination for the 2025–30 regulatory control period.

Consumer engagement is a valuable input to our determination. Stakeholders can assist in our process by providing their views on aspects of the initial draft decision.

On Tuesday, 27 May 2025, we hosted a predetermination conference to provide stakeholders the opportunity to ask questions about our initial draft decision. The presentation slides are available below.

Submissions in response to our initial draft decision closed on 15 August 2025. The following submissions were received.

On 21 May 2025, Marinus Link Pty Ltd (MLPL) wrote to the AER requesting a revised approach to the expectations set in our Commencement and Process Paper including concurrent feedback loop and revenue  proposal processes. 

MLPL's letter and the AER's response are available below.