v3.26.1
Operating Segments - Schedule of Segment Adjusted Gross Profit (Details) - EUR (€)
€ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Solar [Member] | Italy [Member]      
Schedule of Segment Adjusted Gross Profit [Line Items]      
Revenues € 2,282 € 2,557 € 4,998
Operating expenses (391) (231) (541)
Depreciation and amortization expenses (974) (451) (1,286)
Gross profit (loss) 917 1,875 3,171
Segment assets 205,207 99,231 178,687
Solar [Member] | USA [Member]      
Schedule of Segment Adjusted Gross Profit [Line Items]      
Revenues 717 125 857
Operating expenses (156) (41) (190)
Depreciation and amortization expenses (866)   (755)
Gross profit (loss) (305) 84 (88)
Segment assets 93,417 60,026 72,959
Subsidized Solar Plants [Member] | Spain [Member]      
Schedule of Segment Adjusted Gross Profit [Line Items]      
Revenues 1,222 1,489 3,127
Operating expenses (214) (212) (537)
Depreciation and amortization expenses (491) (458) (921)
Gross profit (loss) 517 819 1,669
Segment assets 12,340 12,712 12,760
28 MW Solar [Member] | Spain [Member]      
Schedule of Segment Adjusted Gross Profit [Line Items]      
Revenues 394 627 1,462
Operating expenses (285) (295) (338)
Depreciation and amortization expenses (476) (505) (1,010)
Gross profit (loss) (367) (173) 114
Segment assets 18,182 18,668 18,185
Talasol [Member] | Spain [Member]      
Schedule of Segment Adjusted Gross Profit [Line Items]      
Revenues 8,339    
Operating expenses (1,959)    
Depreciation and amortization expenses (5,798)    
Gross profit (loss) 582    
Segment assets 204,448    
Biogas [Member] | Netherlands [Member]      
Schedule of Segment Adjusted Gross Profit [Line Items]      
Revenues 8,130 6,945 15,019
Operating expenses (6,842) (6,157) (12,777)
Depreciation and amortization expenses (453) (1,359) (1,044)
Gross profit (loss) 835 (571) 1,198
Segment assets 32,930 31,564 32,019
Dorad [Member] | Israel [Member]      
Schedule of Segment Adjusted Gross Profit [Line Items]      
Revenues 15,195 [1] 28,086 [2] 64,019 [1]
Operating expenses (11,732) [1] (22,047) [2] (48,448) [1]
Depreciation and amortization expenses (1,454) [1] (2,454) [2] (5,403) [1]
Gross profit (loss) 2,009 [1] 3,585 [2] 10,168 [1]
Segment assets [1] 104,648 [2] 107,260 [1]
Manara Pumped Storage [Member] | Israel [Member]      
Schedule of Segment Adjusted Gross Profit [Line Items]      
Revenues
Operating expenses
Depreciation and amortization expenses
Gross profit (loss)
Segment assets 259,495 184,393 201,062
Reportable Segments [Member]      
Schedule of Segment Adjusted Gross Profit [Line Items]      
Revenues 36,279 48,221 106,846
Operating expenses (21,579) (31,253) (67,596)
Depreciation and amortization expenses (10,512) (10,906) (21,802)
Gross profit (loss) 4,188 6,062 17,448
Segment assets 826,019 726,458 833,426
Reconciliations [Member]      
Schedule of Segment Adjusted Gross Profit [Line Items]      
Revenues (15,195) (28,085) (64,019)
Operating expenses 11,731 22,047 48,188
Depreciation and amortization expenses 1,403 2,418 5,321
Gross profit (loss) (2,061) (3,620) (10,510)
Segment assets 133,168 2,856 10,089
Segments Net of Consolidation [Member]      
Schedule of Segment Adjusted Gross Profit [Line Items]      
Revenues 21,084 20,136 42,827
Operating expenses (9,848) (9,206) (19,408)
Depreciation and amortization expenses (9,109) (8,488) (16,481)
Gross profit (loss) 2,127 2,442 6,938
Project development costs (810) (2,870) (2,649)
General and administrative expenses (4,942) (3,384) (6,369)
Other income, net 1,802 1,431 3,599
Operating profit (loss) (1,823) (2,381) 1,519
Financing income 1,428 7,051 2,876
Financing expense in connection with derivatives and warrants, net 3,540 439 (3,917)
Financing expenses (37,568) (8,468) (26,317)
Profit and Loss before taxes on income from continuing operations (34,423) (3,359) (25,839)
Profit from discontinued operation (net of tax) 1 83,334 [1] 12 [2] 16,930 [2]
Segment assets € 959,187 729,314 843,515
Talasol Solar [Member] | Spain [Member]      
Schedule of Segment Adjusted Gross Profit [Line Items]      
Revenues   8,392 17,364
Operating expenses   (2,270) (4,765)
Depreciation and amortization expenses   (5,679) (11,383)
Gross profit (loss)   443 1,216
Segment assets   € 215,216 € 210,494
[1] As a result of the sale of the Company’s indirect holdings in Ellomay Luzon Energy, the Company’s share of profits of Dorad was recognized only up to the date of signing of the sale agreement and presented as discontinued operations.
[2] As a result of the sale of the Company’s indirect holdings in Ellomay Luzon Energy, the Company’s share of profits of Dorad was presented as discontinued operations.