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Asset retirement, restoration and environmental obligations (Tables) | 12 Months Ended
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Dec. 31, 2024
Asset Retirement Restoration And Environmental Obligations |
Schedule of changes in asset retirement and environmental obligations |
Schedule of changes in asset retirement and environmental obligations |  |  |  |  |
|  |  |  | 2024 | 2023
| Asset retirement obligations | Environmental obligations | Other restoration obligations | Total | Total
Balance at the beginning of the year | 253,533 | 54,265 | 7,121 | 314,919 | 266,319
Additions (ii) | 54,968 | 1,407 | - | 56,375 | 13,979
Write-offs | - | (710) | - | (710) | -
Reversals | - | (1) | - | (1) | -
Payments | (13,552) | (4,233) | - | (17,785) | (12,383)
Divestments – note 1 (a) | (31,702) | (176) | - | (31,878) | -
Foreign exchange effects | (26,440) | (11,153) | (1,775) | (39,368) | 11,917
Interest accrual - note 7 | 22,096 | 3,445 | 517 | 26,058 | 26,969
Remeasurement - discount rate (i) / (ii) | (18,495) | (10,685) | 956 | (28,224) | 8,118
Balance at the end of the year | 240,408 | 32,159 | 6,819 | 279,386 | 314,919
Current liabilities | 40,555 | 3,935 | 3,071 | 47,561 | 33,718
Non-current liabilities | 199,853 | 28,224 | 3,748 | 231,825 | 281,201
(i) As of December 31, 2024, the credit risk-adjusted rate used for Peru was between 3.39% and 12.29% (December 31, 2023: 10.86% and 12.52%) and for Brazil was between 4.02% and 8.51% (December 31, 2023: 6.94% and 11.11%). (ii) The change in the year ended on December 31, 2024, was mainly due to an “out of period” adjustment of USD 13,416 in the asset retirement obligation related to old and non-operational structures in the Peruvian subsidiaries, which were not identified in previous years and therefore were not recognized by the Company. Additionally, there were changes in the time of expected disbursements on decommissioning obligations in certain operations, in accordance with updates in their dams’ obligations, asset retirement and environmental obligations studies, along with an increase in the discount rates, as described above. As a result, as of December 31, 2024, the Company’s asset retirement obligations for operational assets increased by USD 35,944 (December 31, 2023: decrease of USD 11,972) as shown in note 21; and asset retirement and environmental obligations for non-operational assets gain in USD 13,750 (December 31, 2023: expense of USD 10,125) as shown in note 9.

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