A national grid that allows FNQ to export power to anywhere on the Australian mainland is an interesting concept.
“An HVDC connection from Townsville to Sydney (1800 km) with a capacity of 5 Gigawatts (GW) would cost approximately $5 billion and would be capable of transporting the output of 7-10 GW of new solar and wind farms worth $10-15 billion.”
https://reneweconomy-com-au.cdn.ampproject.org/c/s/reneweconomy.com.au/for-100-billion-australia-could-have-a-low-cost-and-reliable-zero-emissions-grid/amp/