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    Project Marinus

    Project Marinus comprises Marinus Link and the North West Transmission Developments (NWTD). Marinus Link is a proposed electricity and telecommunications interconnector between Tasmania and Victoria.

    The NWTD includes upgrades to Tasmania's electricity transmission lines and other energy infrastructure to support Marinus Link and further renewable energy developments.

    These projects will help to unlock Tasmania's renewable energy and storage potential.

    Project Marinus fast facts

    • TasNetworks is the proponent for the NWTD scope and Marinus Link Pty Ltd is the proponent for the Marinus Link scope, with the latter being jointly owned by the Tasmanian, Australian and Victorian Governments.
    • Project Marinus is progressing through the Design and Approvals (D&A) phase and is being funded by the Tasmanian and Australian governments.
    • The Australian Energy Market Operator (AEMO) has also confirmed through the Integrated System Plan that Marinus Link is a critical, and urgently required part of Australia's low-cost, reliable and clean energy future.
    • The first 750MW stage of Marinus Link is planned to be in service by early 2030 (or sooner).
    • The potential development of a second Marinus Link stage will be considered at a later time.
    • A Final Investment Decision (FID) for Project Marinus is planned for mid-2025.
    • Marinus Link and the NWTD will provide significant economic and employment stimulus in Tasmania.
    • Project Marinus supports the Tasmanian Government's commitments to develop a hydrogen industry in the state, the Tasmanian Renewable Energy Target, and Hydro Tasmania's major projects.
    • For further information, please refer to the Marinus Link and NWTD proponent websites: