TasNetworks has taken the first step towards the construction of a second Basslink cable, releasing a report to examine the case for further interconnection between Tasmania and Victoria.
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The Marinus Link would operate in conjunction with the existing Basslink interconnector and have either a 600 megawatt or 1200 megawatt capacity.
In a prelude to the Project Specific Consultation Report, TasNetwork chief executive Lance Belcombe identified a changing energy landscape and Tasmania’s unique electricity system as contributing to the need for a second interconnector.
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“Much of Australia’s traditional coal-fuelled generation fleet is approaching the end of its life and there is an increase in the amount of renewable energy generation in the National Energy Market,” he said.
“Tasmania has the potential to provide diversified renewable generation, including vast quantities of dispatchable renewable generation, to the NEM.
“Further interconnection is needed to realise this potential.”
While a second Basslink cable has been suggested at a state and federal level at different points throughout the past six years, the project was given new life last November when $20 million of funding was put towards developing a business case for the interconnector.
The Australian Renewable Energy Agency’s contribution of $10 million was matched by TasNetworks on behalf of the state government. Project Marinus general manager Bess Clark said TasNetworks was working toward having the project completed “by about 2025”.
“We think it’s quite plausible a second interconnector could start providing benefits by that stage,” she said.
“With an infrastructure project of this size, there is always a range of challenges involved.
“We are still working on the economic assessment of cost and benefits, and then we need to secure a route for the interconnector.”