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Financial Instruments - Schedule of Contractual Maturities of Financial Liabilities (Details) - EUR (€) € in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Carrying amount [member] |  |
Non-derivative financial liabilities |  |
Long-term loans, including current maturities | € 303,496 | € 281,938
Debentures | 191,529 | 140,087
Lease liabilities | 26,038 | 24,380
Trade payables, other accounts payable and other long-term liabilities | 17,597 | 14,496
Total non-derivative financial liabilities | 538,660 | 460,901
Derivative finance liabilities |  |
Financial power swap |  | (5,698)
Derivative finance liabilities |  |
Swap contract | 331 |
Contractual cash flows [Member] |  |
Non-derivative financial liabilities |  |
Long-term loans, including current maturities | 401,355 | 375,334
Debentures | 227,731 | 158,051
Lease liabilities | 49,029 | 47,011
Trade payables, other accounts payable and other long-term liabilities | 17,597 | 14,496
Total non-derivative financial liabilities | 695,712 | 594,892
Derivative finance liabilities |  |
Financial power swap |  | (5,698)
Derivative finance liabilities |  |
Swap contract | 331 |
Less than 1 year [Member] |  |
Non-derivative financial liabilities |  |
Long-term loans, including current maturities | 34,629 | 21,883
Debentures | 46,750 | 41,100
Lease liabilities | 1,613 | 1,916
Trade payables, other accounts payable and other long-term liabilities | 16,724 | 13,703
Total non-derivative financial liabilities | 99,716 | 78,602
Derivative finance liabilities |  |
Financial power swap |  | 4,643
Derivative finance liabilities |  |
Swap contract | 43 |
2-3 years [Member] |  |
Non-derivative financial liabilities |  |
Long-term loans, including current maturities | 48,225 | 41,743
Debentures | 85,480 | 72,088
Lease liabilities | 4,101 | 3,895
Trade payables, other accounts payable and other long-term liabilities | 873 | 793
Total non-derivative financial liabilities | 138,679 | 118,519
Derivative finance liabilities |  |
Financial power swap |  | (4,267)
Derivative finance liabilities |  |
Swap contract | 121 |
4-5 years [Member] |  |
Non-derivative financial liabilities |  |
Long-term loans, including current maturities | 49,960 | 59,691
Debentures | 82,181 | 30,738
Lease liabilities | 4,742 | 3,903
Trade payables, other accounts payable and other long-term liabilities |  |
Total non-derivative financial liabilities | 136,883 | 94,332
Derivative finance liabilities |  |
Financial power swap |  | (6,292)
Derivative finance liabilities |  |
Swap contract | 70 |
More than 5 years [Member] |  |
Non-derivative financial liabilities |  |
Long-term loans, including current maturities | 268,541 | 252,017
Debentures | 13,320 | 14,125
Lease liabilities | 38,573 | 37,297
Trade payables, other accounts payable and other long-term liabilities |  |
Total non-derivative financial liabilities | 320,434 | 303,439
Derivative finance liabilities |  |
Financial power swap |  | € 218
Derivative finance liabilities |  |
Swap contract | € 97 |

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