Subsidiaries and other associates
| 
 As at 31 December 2024  | 
                        ||
| 
 Based in  | 
                        
 %  | 
            |
| 
 Consolidated subsidiaries  | 
                        ||
| 
 Liander N.V.* **  | 
                        
 Arnhem  | 
                        
 100%  | 
            
| 
 Qirion B.V.* **  | 
                        
 Duiven  | 
                        
 100%  | 
            
| 
 Alliander Digital Solutions B.V.* **  | 
                        
 Arnhem  | 
                        
 100%  | 
            
| 
 Nuon Elektriciteitsnetwerken I B.V.  | 
                        
 Amsterdam  | 
                        
 100%  | 
            
| 
 Nuon Elektriciteitsnetwerken II B.V.  | 
                        
 Amsterdam  | 
                        
 100%  | 
            
| 
 Alliander Corporate Ventures B.V.* **  | 
                        
 Arnhem  | 
                        
 100%  | 
            
| 
 Alliander Telecom N.V.*  | 
                        
 Amsterdam  | 
                        
 100%  | 
            
| 
 Bellevue Participaties B.V. *  | 
                        
 Arnhem  | 
                        
 100%  | 
            
| 
 QTERRA B.V.*  | 
                        
 Arnhem  | 
                        
 100%  | 
            
| 
 Grid to great B.V.*  | 
                        
 Enschede  | 
                        
 100%  | 
            
| 
 TReNT Infrastructuur B.V.*  | 
                        
 Enschede  | 
                        
 100%  | 
            
| 
 Twinning Research Netwerk Twente (TReNT) B.V.*  | 
                        
 Enschede  | 
                        
 100%  | 
            
| 
 Entrnce International Holding B.V.*  | 
                        
 Arnhem  | 
                        
 100%  | 
            
| 
 Entrnce Nederland B.V.  | 
                        
 Arnhem  | 
                        
 100%  | 
            
| 
 Entrnce Deutschland GmbH  | 
                        
 Heinsberg  | 
                        
 100%  | 
            
| 
 Firan B.V.*  | 
                        
 Arnhem  | 
                        
 100%  | 
            
| 
 Warmtenetwerk Nijmegen Dukenburg B.V.*  | 
                        
 Nijmegen  | 
                        
 100%  | 
            
| 
 Indigo B.V.  | 
                        
 Nijmegen  | 
                        
 95%  | 
            
| 
 Warmtenetwerk Hengelo B.V.  | 
                        
 Arnhem  | 
                        
 95%  | 
            
| 
 Warmtenetwerk Didam B.V.  | 
                        
 Didam  | 
                        
 95%  | 
            
| 
 Warmte-Infrastructuur Limburg Geothermie B.V.  | 
                        
 Venlo  | 
                        
 75%  | 
            
| 
 Warmtenetwerk Duiven/Westervoort B.V. **  | 
                        
 Arnhem  | 
                        
 100%  | 
            
| 
 Warmtenetwerk Almere B.V. **  | 
                        
 Arnhem  | 
                        
 100%  | 
            
| 
 Alliander AG **  | 
                        
 Heinsberg  | 
                        
 100%  | 
            
| 
 Alliander Stadtlicht GmbH  | 
                        
 Heinsberg  | 
                        
 100%  | 
            
| 
 Alliander zweite Vorratsgesellschaft mbH  | 
                        
 Heinsberg  | 
                        
 100%  | 
            
| 
 Alliander Netz Heinsberg GmbH  | 
                        
 Heinsberg  | 
                        
 100%  | 
            
| 
 Alliander Stadtlicht Rhein-Ruhr  | 
                        
 Heinsberg  | 
                        
 100%  | 
            
| 
 Joint operations  | 
                        ||
| 
 Utility Connect B.V.  | 
                        
 Arnhem  | 
                        
 59%  | 
            
| 
 Other associates and joint ventures  | 
                        ||
| 
 Reddyn B.V.  | 
                        
 Arnhem  | 
                        
 50%  | 
            
| 
 EDSN B.V.  | 
                        
 Baarn  | 
                        
 26%  | 
            
| 
 Etriplus B.V.  | 
                        
 Venlo  | 
                        
 25%  | 
            
| 
 Gelders Warmte Infra Bedrijf B.V.  | 
                        
 Arnhem  | 
                        
 50%  | 
            
| 
 Duurzame Energie Netwerken Gelderland B.V.  | 
                        
 Arnhem  | 
                        
 50%  | 
            
| 
 Biogas Gelderland 1 B.V.  | 
                        
 Arnhem  | 
                        
 50%  | 
            
| 
 Warmtenetwerk Lingewaard B.V.  | 
                        
 Bemmel  | 
                        
 25%  | 
            
| 
 Warmtenetwerk Harderwijk B.V.  | 
                        
 Harderwijk  | 
                        
 25%  | 
            
| 
 Duurzame Energie Netwerken Noord-Holland B.V.  | 
                        
 Zaanstad  | 
                        
 50%  | 
            
| 
 Warmtenetwerk Zaanstad B.V.  | 
                        
 Haarlem  | 
                        
 31%  | 
            
| 
 450connect GmbH  | 
                        
 Köln  | 
                        
 25%  | 
            
| 
 BAS B.V.  | 
                        
 Amersfoort  | 
                        
 17%  | 
            
- *Alliander N.V. has issued a Section 403 statement of liability for these subsidiaries.
 - **Direct subsidiaries of Alliander N.V