No walk in the park for nuclear reactors at life's end

While in the distant future, decommissioning Australian energy resources will involve big choices. (Tracey Nearmy/AAP PHOTOS)

It may feel far, far away but the energy sources getting hooked up to the grid today will eventually need to be put out to pasture.

Decommissioning is a major undertaking for any industrial facility yet for nuclear power plants - on the table under the federal coalition's alternative pathway to net zero - Australia's lack of experience raises a host of unknowns.