Energy was the week's worst performing corner of the ASX.

ASX suffers worst week of 2017

Shares suffered their worst weekly loss of the year, as investors were kept on the back foot amid gathering unease around the Australian economy and after another shock poll result in the UK.

'More of the same is not an option'

New electricity generators will be required to guarantee supply of electricity when ordered by the market operator, under a sweeping plan by...