you often need to buy it from other countries. For instance, Russia. Not great.

Yeeeeah, I wouldn't worry about that. Sure we (Australia) are conservative with our fears of mining and exporting uranium, especially with the Cold War and reactor whoopsies around the world. But historically it doesn't take much for us to go down on an ally.

Just let us finish unloading all our coal off to the worst polluting nations first, then we'll crack the top-shelf stuff.