| Value | Category | Cases | |
|---|---|---|---|
| 1 | Supply shortage/not enough hours of electricity | 4 | 
                                    
                                    1.3%
                                 | 
| 2 | Voltage fluctuations | 29 | 
                                    
                                    9.7%
                                 | 
| 3 | Unpredictable interruptions | 84 | 
                                    
                                    28%
                                 | 
| 4 | Unexpectedly high bills (Irregularly) | 67 | 
                                    
                                    22.3%
                                 | 
| 5 | Too expensive (Regularly) | 26 | 
                                    
                                    8.7%
                                 | 
| 6 | Do not trust the supplier | 1 | 
                                    
                                    0.3%
                                 | 
| 7 | Cannot power large appliances | 8 | 
                                    
                                    2.7%
                                 | 
| 8 | Maintenance/service problems | 10 | 
                                    
                                    3.3%
                                 | 
| 9 | Other (specify) | 0 | 
                                    
                                    0%
                                 | 
| 10 | No problems | 71 | 
                                    
                                    23.7%
                                 |