Project at a glance
About the Project
Marinus Link is a proposed 1500 megawatt (MW), undersea and underground electricity and telecommunications connector between Tasmania and Victoria. It will comprise high voltage direct current (HVDC) cables, fibre optic cables, and converter stations in both Tasmania and Victoria.
Marinus Link will further connect Tasmania to the National Electricity Market (NEM), comprising Queensland, New South Wales, ACT, Victoria, Tasmania and South Australia. Marinus Link is currently in planning and development, known as the 'design and approvals' phase.
Marinus Link Pty Ltd is a subsidiary of TasNetworks, which plans, owns and operates Tasmania's electricity network. Marinus Link will be jointly owned by the Australian, Tasmanian and Victorian Governments.
The Australian Energy Market Operator (AEMO) has confirmed that Marinus Link is a critical, and urgently required part of Australia's low-cost, reliable and clean energy future. (Source: AEMO 2022 Integrated System Plan).
Marinus Link will create around 2800 direct and indirect jobs at peak construction across Tasmania and Victoria. Marinus Link will generate approximately $2.9 billion in direct economic activity in Tasmania and Victoria during construction and operation.
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The Lead Contractor will be required to provide Tasmanian and/or Victorian Industry Participation Plans that demonstrate how they will maximise opportunities for Australian companies.
Marinus Link Pty Ltd recognises that the project provides significant opportunities for suitably qualified and experienced Australian manufacturers, suppliers, contractors and subcontractors, consultants and other service providers to participate, directly or indirectly, in the project.
Across all works packages, contractors and subcontractors will need to effectively manage contract interfaces and scheduling requirements.
Marinus Link will be built in two 750 MW stages, with commissioning of each stage separated by two to three years.
The full capacity of Marinus Link (stage 1 and stage 2) is expected to be operational by as early as 2030.
Marinus Link will reach a Final Investment Decision in late 2024, with the signing of contracts and manufacturing, construction and commissioning to commence shortly after that decision is made.
Key milestones include:
- Design and approvals (current phase)
- Final Investment Decision December 2024
- Manufacturing, construction and commissioning, to take place across two 750 MW stages from early 2025
- Stage 1 will be completed and in service 2028-29
- Stage 2 will be completed and in service 2030-31
Stage 1 of Marinus Link, the first 750 MW, will allow the NEM to access Tasmania's existing hydro capacity together with new wind developments.
Two converter station buildings each in Heybridge, Tasmania and Gippsland, Victoria, will be built. The first buildings will take up to 18 months to build, with construction expected to start in early 2025.
Stage 2 of Marinus Link, the second 750 MW, will enable the development of long-duration pumped hydro and stimulate further development of wind generation.
The second converter station buildings will be constructed two to three years after the first, on the same sites in Heybridge and Gippsland.
Main Works Packages
Marinus Link will be delivered via the following main works packages:
Converter Design and Supply Equipment; and Converter Design and Construct Stations
Cable System - 'CB1'; and Cable System - 'CB2'
Marinus Link Pty Ltd has already pre-qualified international suppliers to be invited to participate in the tender processes for these main works packages.
For Australian entities, the majority of opportunities will exist via sub-contract arrangements with the appointed international suppliers.
HOW TO REGISTER AN EXPRESSION OF INTEREST (EOI)
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ICN GATEWAY COMPANY REGISTRATION
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The North West Transmission Developments (NWTD), being progressed by TasNetworks, include 240km of new and upgraded transmission lines and other energy infrastructure that will support Tasmania’s ambition to be a world-leading renewable energy provider.
The projects will link Cressy, Sheffield, Burnie, Hampshire and Staverton to strengthen the backbone of Tasmania’s transmission network supporting Marinus Link and other renewable energy developments, particularly in the North West region of Tasmania.