Colin Packham

Australia's second-largest city welcomed its first international passenger flight in five months on Monday, an arrival that will test the state of Victoria's revamped hotel quarantine system.

Two of Australia’s best-known infrastructure advocates, former trade minister Andrew Robb and veteran campaigner Everald Compton, have united to back an ambitious $20bn private proposal to transform Gladstone into the nation’s main container port.

AGL Energy is preparing to shed hundreds of jobs as Australia’s second-largest power retailer and generator accelerates efforts to fund its multi-billion dollar transition away from coal.

The Australian Competition and Consumer Commission has no enforcement action to show for its ramped up policing of petrol pricing.

Australia’s electricity grid must be dramatically overhauled, with planning powers shifted to the states and away from national energy agencies, opposition spokesman Dan Tehan says, as tension erupts over rising network costs and investor profits.

Power retailer Zen Energy, the brainchild of renewables evangelist Ross Garnaut, faces an uncertain future after the loss-making business sunk deeper into the red, and a sale campaign failed to unearth a rescuer.

The major fire at the Geelong refinery – a facility which supplies half of Victoria’s and 10 per cent of the nation’s fuel – has been blamed on equipment failure and could disrupt production for months.

The major fire at the Geelong refinery – a facility which supplies half of Victoria’s and 10 per cent of the nation’s fuel – has been blamed on equipment failure and could disrupt production for months.

Australia is at risk of under-building long-duration energy storage as governments back batteries that last hours, not days.

Santos will scale back spending across parts of its domestic gas business and redirect capital towards higher-margin LNG and oil projects