ENERGY ASSET ACCOUNT
OVERVIEW
Environmental assets are best defined as those resources available for harvesting from the environment. These assets are commonly called Economic Demonstrated Resources (EDR) and are distinct from those that are too difficult to access with current technology and any hypothetical resources that might exist. In the Energy Account, Australia, physical energy assets are limited only to coal (i.e. black and brown), crude oil, condensate, industrial gases and uranium oxides.
- Physical stocks of black and brown coal remained stable between 2013-14 and 2014-15, while stocks of uranium decreased by 1% (8,904 PJ).
- Between 2013-14 and 2014-15, the value of black coal stocks decreased by 58% ($32 billion), while the value of uranium stocks increased by 24% ($92 million).
Table 1.2 shows detailed information about Australian energy stocks as at June 2015.
Table 1.2 Energy stocks, Australia, as at June 2015
|
 | Unit | Black Coal | Brown Coal | Crude Oil | LPG | Natural Gas | Uranium |
|
| Stock (closing) | PJ | 1 676 700 | 433 160 | 4 984 | 4 078 | 114 886 | 640 136 |
 | | | | | | | |
| Net present value | $m | 23 010 | 205 | 40 163 | 11 701 | 281 074 | 468 |
| | | | | | | |
| Extraction rate (a) | % of EDR | 0.9 | 0.1 | 9.3 | 2.1 | 1.8 | 0.5 |
| | | | | | | |
| Estimated resource life (remaining years of stocks) | Years | 109.5 | 746.6 | 10.8 | 46.6 | 56.8 | 207.8 |
|
(a) The rate at which physical removal of energy resources occurs from the energy deposits.
Source: Australian System of National Accounts (cat. no. 5204.0). |
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