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Long-term provisions | 12 Months Ended
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Jun. 30, 2024
Long-term provisions |
Long-term provisions |
29 | Long-term provisions
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Environmental | ​ | Other | ​ | Total | ​
​ | ​ | ​ | 2025 | ​ | 2025 | ​ | 2025 | ​
for the year ended 30 June |  |  | Rm |  | Rm |  | Rm | ​
Balance at beginning of year | ​ | ​ | 16 524 | ​ | 694 | ​ | 17 218 |
Capitalised to property, plant and equipment | ​ | ​ | 264 | ​ | — | ​ | 264 |
Reduction in rehabilitation provision capitalised |  | ​ | (212) |  | — |  | (212) | ​
Per the income statement |  | ​ | (2 769) |  | (38) |  | (2 807) | ​
additional provisions and changes to existing provisions |  | ​ | (3 167) |  | (28) |  | (3 195) | ​
reversal of unutilised amounts |  | ​ | (7) |  | (11) |  | (18) | ​
effect of change in discount rate |  | ​ | 405 |  | 1 |  | 406 | ​
Notional interest |  | ​ | 1 161 |  | 6 |  | 1 167 | ​
Utilised during year (cash flow) |  | ​ | (629) |  | (140) |  | (769) | ​
Translation of foreign operations |  | ​ | (7) |  | 4 |  | (3) | ​
Foreign exchange differences recognised in income statement |  | ​ | (220) |  | (1) |  | (221) | ​
Balance at end of year |  | ​ | 14 112 |  | 525 |  | 14 637 | ​
​ Environmental provisions The environmental obligation includes estimated costs for the rehabilitation of coal mining, oil, gas and petrochemical sites, mainly in South Africa and Mozambique. The present value of the environmental provisions is determined by discounting the estimated future cash outflows using interest rates of high-quality government bonds that are denominated in the currency in which the amounts will be paid, and that have terms approximating the terms of the related obligation. ​ ​
29 | Long-term provisions continued
The following discount rates were applied: ​
​ | ​ | ​ | ​ | ​
​ | ​ | 2025 | ​ | 2024
for the year ended 30 June |  | % |  | %
South Africa |  | 7,2 – 10,5 |  | 8,1 – 10,9
Europe |  | 2,0 – 2,9 |  | 2,0 – 3,6
United States of America (for USD denominated provisions) |  | 3,5 – 4,4 |  | 3,2 – 5,4
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2025 | ​ | 2024 |
for the year ended 30 June |  | Rm |  | Rm |
A 1% point change in the discount rate would have the following effect on the long-term provisions recognised |  | ​ |  |  |  | ​
Increase in the discount rate |  | ​ | (1 991) |  | (2 185) | ​
amount capitalised to property, plant and equipment |  | ​ | (666) |  | (917) | ​
income recognised in income statement |  | ​ | (1 325) |  | (1 268) | ​
Decrease in the discount rate |  | ​ | 2 432 |  | 2 802 | ​
amount capitalised to property, plant and equipment |  | ​ | 808 |  | 1 375 | ​
expense recognised in income statement |  | ​ | 1 624 |  | 1 427 | ​
​ The time at which the operations cease to produce economically viable returns and the pace of transition to a low carbon economy will impact the anticipated time period over which decommissioning liabilities are expected to be incurred in future. ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  |  |  | 2025 |  | 2024
for the year ended 30 June | ​ | Note | ​ | Rm | ​ | Rm
Expected timing of future cash flows | ​ | ​ | ​ | ​ | ​ | ​
Within one year | ​ | ​ |  | 1 688 |  | 2 822
One to five years |  | ​ |  | 1 427 |  | 2 915
Five to ten years¹ |  | ​ |  | 2 967 |  | 2 208
More than ten years² | ​ | ​ | ​ | 8 555 | ​ | 9 273
​ | ​ | ​ | ​ | 14 637 | ​ | 17 218
Short-term portion | ​ | 30 | ​ | (1 688) | ​ | (2 822)
Long-term provisions | ​ | ​ | ​ | 12 949 | ​ | 14 396
Estimated undiscounted obligation* | ​ | ​ |  | 85 097 |  | 109 845
| 1 | Relates largely to the rehabilitation of coal mining, oil and gas sites in South Africa.
| 2 | Relates largely to the plugging and abandonment of gas wells in Mozambique, as well as remediation of soil and ground water contamination in South Africa.
| * | Decrease relates mainly to a reassessment of cost estimates based on optimised water treatment cost as a result of enhanced evaporating technology and other enhancements.
In line with the requirements of the legislation of South Africa, the utilisation of certain investments is restricted for mining rehabilitation purposes. These investments amounted to R885 million (2024 – R816 million) and are included in Other long-term investments in the statement of financial position. In addition, indemnities of R2 907 million (2024 – R2 860 million) are in place.
29 | Long-term provisions continued
Accounting policies: Estimated long-term environmental provisions, comprising pollution control, rehabilitation and mine closure, are based on the Group’s environmental policy taking into account current technological, environmental and regulatory requirements. The provision for rehabilitation is recognised as and when the environmental liability arises. To the extent that the obligations relate to the construction of an asset, they are capitalised as part of the cost of those assets. The effect of subsequent changes to assumptions in estimating an obligation for which the provision was recognised as part of the cost of the asset is adjusted against the asset. Any subsequent changes to an obligation which did not relate to the initial construction of a related asset are charged to the income statement. The increase in discounted long-term provisions as a result of the passage of time is recognised as a finance expense in the income statement. The estimated present value of future decommissioning costs, taking into account current environmental and regulatory requirements, is capitalised as part of property, plant and equipment, to the extent that they relate to the construction of the asset, and the related provisions are raised. These estimates are reviewed at least annually. Deferred tax is recognised on the temporary differences in relation to both the asset to which the obligation relates to and rehabilitation provision. Areas of judgement: The determination of long-term provisions, in particular environmental provisions, remains a key area where management’s judgement is required. Estimating the amount and timing of the future cost of these obligations is complex and requires management to make estimates and judgements because most of the obligations will only be fulfilled in the future and contracts and laws are often not clear regarding what is required. The resulting provisions could also be influenced by changing technologies and political, environmental, safety, business and statutory considerations as well as the period in which it will be settled. The pace of transition to a low carbon economy will impact the anticipated time period over which decommissioning liabilities are expected to be incurred.

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