Wind has supplied more than SA's power needs for short periods, but renewable energy is inherently intermittent.

South Australia is test case for new market approach

The full force of the fall-out of subsidies to the renewables industry is set to be felt in South Australia over the next few years as much of its baseload power generation capacity is idled, leaving it increasingly exposed to the intermittency of renewable energy.

Traffic congestion in capital cities will more than double by 2030.

Dealing with the population surge

Citibank and Infrastructure Partnerships Australia estimate the infrastructure shortfall in Australia currently amounts to around $700 billion but by 2031 Australia will have a population of more than 30 million and the four major capital cities will increase their populations by 46 per cent.