Aussie firms hit hard by the energy crisis

* Qantas - higher jet fuel bills raising costs

* Virgin Australia - higher jet fuel bills raising costs

* Westpac - market volatility impacting trading profits, customers facing a weaker economy

* Cleanaway - higher diesel bills raising costs, impacting annual earnings

* A2 Milk - supply chain issues, freight costs

* Orora - glass bottle unit annual earnings cut, production halted at UAE glass plant 

Here's how fuel prices have been buffeted since the crisis began on February 28:

* Oil - Oil prices have surged as much as 77 per cent since US-led attacks on Iran at the end of February sparked a broader regional conflict

* Jet fuel - refining costs have soared from around $US20 a barrel to a peak of around $US120

* Australian road user fuel - diesel and petrol prices have jumped since February, with the former soaring to more than $3 a litre and the latter rising to well over $2