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Details of the Statements of Profit or Loss and Other Comprehensive Income (Revenues) (Details) - EUR (€) € in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure Of Details Of Statements Of Profit Or Loss And Other Comprehensive Income Loss [Abstract] |  |  |
Revenues from the sale of solar electricity | € 39,601 | € 31,081 | € 2,577
Revenues from the sale of gas and power produced by anaerobic digestion plants | 12,640 | 12,686 | 6,002
Revenues from concessions project | 1,119 | 1,954 | 1,066
Total Revenues | € 53,360 | € 45,721 | € 9,645

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