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Note 8: Depreciation and Amortisation

Note 8: Depreciation and Amortisation
Forecast
30 June 2012
Actual
Budget 11
$m
Budget 12
$m
30 June
2012
$m
30 June
2011
$m

Depreciation expense

 
1,195 1,167 Buildings 1,174 1,077
382 410 State highways 432 408
400 407 Electricity generation assets 388 374
166 155 Electricity distribution network 137 147
297 249 Specialist military equipment 237 272
233 214 Aircraft (excluding military) 153 171
240 210 Rail network 223 210
17 20 Specified cultural and heritage assets 21 19
1,102 1,068 Other plant and equipment 1,038 1,020
4,032 3,900 Total depreciation expense 3,803 3,698
599 620 Amortisation and impairment of non-financial assets1 2,547 984
4,631 4,520 Total depreciation and amortisation 6,350 4,682

1. Includes an impairment expense of $1.4 billion in relation to the Rail Network (refer note 20).

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