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Financial Instruments (Schedule of Contractual Maturities of Financial Liabilities) (Details) - EUR (€) € in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Derivative finance liabilities |  |
Financial power swap | € (61,537) | € (20,894)
Currency swap |  | 3,274
Carrying amount [Member] |  |
Non-derivative financial liabilities |  |
Long term loans, including current maturities | 273,863 | 218,895
Debentures | 110,428 | 137,299
Lease liabilities | 22,750 | 20,129
Trade payables and other accounts payable | 15,144 | 22,058
Total non-derivative financial liabilities | 422,185 | 398,381
Derivative finance liabilities |  |
Financial power swap | 61,537 | 20,894
Swap contracts |  | 3,996
Total derivative finance liabilities | 61,537 | 24,890
Contractual cash flows [Member] |  |
Non-derivative financial liabilities |  |
Long term loans, including current maturities | 363,553 | 240,038
Debentures | 141,140 | 150,116
Lease liabilities | 35,911 | 25,825
Trade payables and other accounts payable | 15,144 | 22,058
Total non-derivative financial liabilities | 555,748 | 438,037
Derivative finance liabilities |  |
Financial power swap | 61,537 | 20,894
Swap contracts |  | 3,996
Total derivative finance liabilities | 61,537 | 24,890
Less than one year [Member] |  |
Non-derivative financial liabilities |  |
Long term loans, including current maturities | 30,392 | 147,127
Debentures | 22,878 | 24,244
Lease liabilities | 1,630 | 4,832
Trade payables and other accounts payable | 15,144 | 22,058
Total non-derivative financial liabilities | 70,044 | 198,261
Derivative finance liabilities |  |
Financial power swap | 33,183 | 11,352
Swap contracts |  | 3,431
Total derivative finance liabilities | 33,183 | 14,783
Second year [Member] |  |
Non-derivative financial liabilities |  |
Long term loans, including current maturities | 42,547 | 20,671
Debentures | 62,710 | 66,481
Lease liabilities | 3,233 | 2,244
Trade payables and other accounts payable | 0 | 0
Total non-derivative financial liabilities | 108,490 | 89,396
Derivative finance liabilities |  |
Financial power swap | 26,424 | 14,079
Swap contracts |  | 234
Total derivative finance liabilities | 26,424 | 14,313
3-5 year [Member] |  |
Non-derivative financial liabilities |  |
Long term loans, including current maturities | 43,381 | 18,347
Debentures | 55,552 | 59,391
Lease liabilities | 3,194 | 2,201
Trade payables and other accounts payable | 0 | 0
Total non-derivative financial liabilities | 102,127 | 79,939
Derivative finance liabilities |  |
Financial power swap | (2,666) | 1,961
Swap contracts |  | 157
Total derivative finance liabilities | (2,666) | 2,118
More than 5 years [Member] |  |
Non-derivative financial liabilities |  |
Long term loans, including current maturities | 247,233 | 53,892
Debentures | 0 | 0
Lease liabilities | 27,854 | 16,548
Trade payables and other accounts payable | 0 | 0
Total non-derivative financial liabilities | 275,087 | 70,440
Derivative finance liabilities |  |
Financial power swap | 4,596 | (6,498)
Swap contracts |  | 174
Total derivative finance liabilities | € 4,596 | € (6,324)

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