| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 | CENTRAL SYSTEM | 
                                    
                    
                        | 2 | LOCAL SYSTEM/DIESEL STATION | 
                                    
                    
                        | 3 | SOLAR SUSTEM | 
                                    
                    
                        | 4 | WIND SYSTEM | 
                                    
                    
                        | 5 | SMALL GEN-SET | 
                                    
                    
                        | 6 | OTHER | 
                                    
                    
                        | Sysmiss |  | 
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.