In Australia, the latest energy policy iteration is the 2035 climate target, which requires 90 per cent of electricity to be supplied by renewables. This is on top of the $16 billion annual cost already being imposed to replace coal and gas. Because of its intermittent supply, wind and solar requires either storage back-up or a duplication of the system with a stand-by coal, gas (or nuclear) plant. The outcome is already evident with soaring electricity costs undermining industry competitiveness. In London this week Trump, who spent considerable political capital revoking wind and solar subsidies, said, ‘We don’t do wind because wind is a disaster.