The company revealed Monday it expected to book a A$237 million impairment related to its Moranbah assets in Queensland which it has been attempting to sell for the past 18 months but is yet to find a buyer.

AGL will book an estimated A$193 million write down on its Gloucester gas project in New South Wales following a review of the value of the asset which took into account delays to first gas, the latest gas volume estimates for the field, development costs and lower forward gas prices.

It