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

Revenue from contracts with customers - Summary of the Disaggregation of the Group's Revenue from Contracts with Customers (Detail)

v3.23.1
Revenue from contracts with customers - Summary of the Disaggregation of the Group's Revenue from Contracts with Customers (Detail) - EUR (€)
€ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers € 133,900 € 86,291 € 44,249
Services transferred over time      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 34,968 22,930 14,162
Goods and services transferred at a point in time      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 98,932 63,361 30,087
Charging sessions      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 65,347 26,108 14,879
Service revenue from the sale of charging equipment      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 33,585 37,253 15,207
Service revenue from installation services      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 28,630 19,516 12,313
Service revenue from operation and maintenance of charging equipment      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 3,230 3,414 1,850
Service revenue from consulting services      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers € 3,108 € 0 € 0