A further analysis of charges by retailers,
My monthly gas consumption changes is around $14 (served by AGL)per month,then they have service charge of $48. You can imagine the margin.
In June WA govt had authorized 23% increase. My thinking is that this increase should easily cover new cost base as the sale price is nearly 300% of cost price so 23% jump in sale price will cover nearly 70& rise in cost price.