Study reveals toll of global energy crisis as 'total' energy costs spike

The crisis has left consumers paying more for often dirtier power as countries try to keep the lights on. (Reuters: Hannibal Hanschke)

Up to 140 million extra people could be tipped into extreme poverty worldwide by an energy crisis that has sent prices soaring more than 100 per cent for many households, a new report has revealed.

Markets for coal, gas and oil were thrown into turmoil last February when Russia launched its full-scale invasion of Ukraine.