'Just a matter of when': the $20bn plan to power Singapore with Australian solar

Ambitious export plan could generate billions and make Australia the centre of low-cost energy in a future zero-carbon world

The desert outside Tennant Creek, deep in the Northern Territory, is not the most obvious place to build and transmit Singapore's future electricity supply. Though few in the southern states are yet to take notice, a group of Australian developers are betting that will change.

If they are right, it could have far-reaching consequences for Australia's energy industry and what the country sells to the world.