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Deferred tax assets and liabilities (Tables) | 12 Months Ended
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Dec. 31, 2024
Deferred tax assets and liabilities |
Summary of Recognized deferred tax assets and liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Assets | ​ | Liabilities | ​ | Net
​ |  | 2024 |  | 2023 |  | 2024 |  | 2023 |  | 2024 |  | 2023
Property, plant and equipment and intangible assets |  | 845,181 |  | 1,952,945 |  | (10,807,405) |  | (10,229,249) |  | (9,962,224) |  | (8,276,304)
Derivative instruments |  | 38,637 |  | 56,026 |  | (448,951) |  | (891,094) |  | (410,314) |  | (835,068)
Reserve for defined benefit plan and provisions |  | 2,194,978 |  | 2,041,197 |  | (569) | ​ | (42,375) |  | 2,194,409 |  | 1,998,822
Tax losses carried forward | ​ | 1,058,535 | ​ | 2,364,929 | ​ | - | ​ | - | ​ | 1,058,535 | ​ | 2,364,929
Tax allowances |  | 2,111,083 |  | 834,428 |  | - |  | - |  | 2,111,083 |  | 834,428
Other assets and liabilities (*) |  | 3,650,676 |  | 2,481,626 |  | (1,354,032) |  | (239,494) |  | 2,296,644 |  | 2,242,132
Deferred tax assets/(liabilities) |  | 9,899,090 |  | 9,731,151 |  | (12,610,957) |  | (11,402,212) |  | (2,711,867) |  | (1,671,061)
Offsetting |  | (7,361,212) |  | (8,101,477) |  | 7,361,212 |  | 8,101,477 |  | - |  | -
Net deferred tax assets/(liabilities) |  | 2,537,878 |  | 1,629,674 |  | (5,249,745) |  | (3,300,735) |  | (2,711,867) |  | (1,671,061)
(*) | Mainly comprises of loans, bonds, prepaid expenses and lease liabilities’ deferred tax effects.
Summary of Movement in deferred tax assets/ (liabilities) | ​
​ | ​ | ​ | ​ | ​
​ |  | 2024 |  | 2023
Opening balance, net |  | (1,671,061) |  | (9,036,191)
Income statement charge |  | (1,563,492) |  | 7,737,186
Tax charge relating to components of other comprehensive income |  | (644,487) |  | 1,641,006
Transferred to assets held for sale (Note 3) | ​ | - | ​ | (1,899,846)
Exchange differences | ​ | 1,167,173 | ​ | (113,216)
Closing balance, net |  | (2,711,867) |  | (1,671,061)
Summary of Expiration of unused tax losses | ​
​ | ​ | ​
Expiration Date |  | Amount
2025 |  | 4,261,550
2026 |  | 179,663
2027 |  | 2,423,491
2028 |  | 633,291
2029 | ​ | 4,237,579
2030 | ​ | 271,319
2031 | ​ | 337,133
Indefinite |  | 46,751
Total |  | 12,390,777
​

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