Supplementary Analysis Report released for Marinus

November 5th, 2020

Category: News

Today TasNetworks released the Marinus Link RIT-T Supplementary Analysis Report, the latest report in the Regulatory Investment Test – Transmission (RIT-T) process for a 1500 MW Marinus Link interconnector and supporting North West Transmission Developments.

“We are pleased to release the RIT-T Supplementary Analysis Report, another important step in the regulatory process that demonstrates the benefits Marinus Link can bring to a rapidly transforming NEM. The supplementary analysis shows that Marinus Link delivers benefits in all scenarios,” Bess Clark, General Manager Project Marinus, TasNetworks said.

“The Report responds to stakeholder feedback received on the Project Assessment Draft Report (PADR) analysis and takes into consideration the updated scenarios, inputs and assumptions of the 2020 Integrated System Plan (ISP) released by the Australian Energy Market Operator (AEMO). The findings in TasNetworks’ report build on the 2020 ISP outcomes that strongly support early works for Project Marinus being complete by 2023-24. A shovel ready Marinus Link by 2023-24 will retain the ability to commission the first 750 MW Marinus Link stage by 2027-28.” Ms Clark said

Project Marinus welcomes submissions from stakeholders on this Report by 7 December 2020.

TasNetworks encourages stakeholders to register their interest for an online public consultation forum on the RIT-T Supplementary Analysis Report, to be held later this month.

Key topics covered by the RIT-T Supplementary Analysis Report include:

  • A 1500 MW Marinus Link will deliver significant market benefits under all the scenarios modelled.
  • The complementary role played by long duration storage and batteries facilitated by Marinus Link.
  • Updated modelling and cost benefit analysis with scenarios, inputs and assumptions aligned with the 2020 ISP.
  • Recent project developments as part of the current Design and Approvals Phase

Bess Clark – General Manager Project Marinus, TasNetworks


Media contact Dan Sinkovits 6271 6271

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