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

Property, plant and equipment - Summary of Movements in Property, Plant and Equipment (Detail)

v3.23.1
Property, plant and equipment - Summary of Movements in Property, Plant and Equipment (Detail) - EUR (€)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment € 41,544,000 € 40,464,000  
Acquisition of subsidiary (MOMA) 181,000    
Additions 30,449,000 8,110,000  
Disposals (24,309,000) (2,317,000)  
Depreciation (16,727,000) (5,623,000)  
Accumulated depreciation of disposals 12,951,000 813,000  
Impairments (701,000) (354,000) € (466,000)
Reversal of impairments 679,000 381,000 0
Reclassifications 0 70,000  
Property, plant and equipment 134,718,000 41,544,000 40,464,000
Chargers and charging infrastructure      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 30,597,000 30,727,000  
Acquisition of assets (Mega-E) 88,026,000    
Acquisition of subsidiary (MOMA) 0    
Additions 0 0  
Disposals (24,309,000) (2,317,000)  
Depreciation (16,542,000) (5,417,000)  
Accumulated depreciation of disposals 12,951,000 813,000  
Impairments (701,000) (354,000)  
Reversal of impairments 679,000 381,000  
Reclassifications 35,768,000 6,764,000  
Property, plant and equipment 126,469,000 30,597,000 30,727,000
Other fixed assets      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 481,000 614,000  
Acquisition of assets (Mega-E) 0    
Acquisition of subsidiary (MOMA) 181,000    
Additions 208,000 3,000  
Disposals 0 0  
Depreciation (185,000) (206,000)  
Accumulated depreciation of disposals 0 0  
Impairments 0 0  
Reversal of impairments 0 0  
Reclassifications 0 70,000  
Property, plant and equipment 685,000 481,000 614,000
Assets under construction      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 10,466,000 9,123,000  
Acquisition of assets (Mega-E) 2,625,000    
Acquisition of subsidiary (MOMA) 0    
Additions 30,241,000 8,107,000  
Disposals 0 0  
Depreciation 0 0  
Accumulated depreciation of disposals 0 0  
Impairments 0 0  
Reversal of impairments 0 0  
Reclassifications (35,768,000) (6,764,000)  
Property, plant and equipment 7,564,000 10,466,000 9,123,000
Cost      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 59,794,000 53,931,000  
Property, plant and equipment 156,766,000 59,794,000 53,931,000
Cost | Chargers and charging infrastructure      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 47,413,000 42,966,000  
Property, plant and equipment 146,898,000 47,413,000 42,966,000
Cost | Other fixed assets      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 1,915,000 1,842,000  
Property, plant and equipment 2,304,000 1,915,000 1,842,000
Cost | Assets under construction      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 10,466,000 9,123,000  
Property, plant and equipment 7,564,000 10,466,000 9,123,000
Accumulated depreciation and impairment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment (18,250,000) (13,467,000)  
Property, plant and equipment (22,048,000) (18,250,000) (13,467,000)
Accumulated depreciation and impairment | Chargers and charging infrastructure      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment (16,816,000) (12,239,000)  
Property, plant and equipment (20,429,000) (16,816,000) (12,239,000)
Accumulated depreciation and impairment | Other fixed assets      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment (1,434,000) (1,228,000)  
Property, plant and equipment (1,619,000) (1,434,000) (1,228,000)
Accumulated depreciation and impairment | Assets under construction      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 0 0  
Property, plant and equipment € 0 € 0 € 0