| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | Batteries or power bank | 3 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| 2 | Generator | 22 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    
| 3 | Solar panels | 44 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    
| 4 | Wind power | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 5 | Hydro power | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 6 | Biogas | 2 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 95 | Other | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 96 | Multiple sources | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 97 | Not applicable | 1129 | 
                                                                 
                                    
                                    94.1%
                                 
                                                             | 
                                                        
                    
| 98 | Refused to answer | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 99 | Don’t know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |