Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Fixed assets (Schedule of Fixed Assets) (Details)

v3.19.1
Fixed assets (Schedule of Fixed Assets) (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of detailed information about property, plant and equipment [line items]    
Balance € 78,837  
Balance 87,220 € 78,837
Photovoltaic Plants [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance 98,289  
Cost [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance 103,252 93,171
Additions 13,883 10,081
Balance 117,135 103,252
Cost [Member] | Photovoltaic Plants [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance 87,922 87,921
Additions 10,367 [1] 1
Balance 98,289 87,922
Cost [Member] | Biogas installation [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance 15,157 5,081
Additions 3,499 10,076
Balance 18,656 15,157
Cost [Member] | Office furniture and equipment [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance 121 117
Additions 17 4
Balance 138 121
Cost [Member] | Leasehold Improvements [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance 52 52
Additions
Balance 52 52
Depreciation [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance 24,415 19,897
Depreciation for the year 5,500 4,518
Balance 29,915 24,415
Depreciation [Member] | Photovoltaic Plants [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance 24,154 19,758
Depreciation for the year 4,396 4,396
Balance 28,550 24,154
Depreciation [Member] | Biogas installation [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance 111
Depreciation for the year 1,081 111
Balance 1,192 111
Depreciation [Member] | Office furniture and equipment [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance 98 87
Depreciation for the year 23 11
Balance 121 98
Depreciation [Member] | Leasehold Improvements [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance 52 52
Depreciation for the year 52
Balance 52 52
Carrying Amounts [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance 78,837 73,274
Balance 87,220 78,837
Carrying Amounts [Member] | Photovoltaic Plants [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance 63,768 68,163
Balance 69,739 63,768
Carrying Amounts [Member] | Biogas installation [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance 15,046 5,081
Balance 17,464 15,046
Carrying Amounts [Member] | Office furniture and equipment [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance 23 30
Balance 17 23
Carrying Amounts [Member] | Leasehold Improvements [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Balance
Balance
[1] See note 6C