v3.26.1
Restricted Cash and Deposits - Schedule of Restricted Cash and Deposits (Details) - Restricted Cash, Deposits and Marketable Securities [Member] - EUR (€)
€ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Schedule of Restricted Cash and Deposits [Line Items]    
Short-term restricted cash € 590 € 656
Restricted cash and bank deposits, long-term [1] € 15,695 € 16,071
[1] Deposits used to secure obligations towards the Israeli Electricity Authority for the license for the pumped-storage project in the Manara Cliff in Israel and to secure obligations under loan agreements.