| Value | Category | 
|---|---|
| 00 | NIU (not in universe) | 
| 01 | None | 
| 02 | Electricity | 
| 03 | Fuel oil, kerosene, other liquid fuels | 
| 04 | Kerosene/paraffin | 
| 05 | Diesel | 
| 06 | Gas | 
| 07 | Bottled gas, in tank, liquified | 
| 08 | Solid fuel | 
| 09 | Coal | 
| 10 | Wood | 
| 11 | Wood or coal | 
| 12 | Solar | 
| 13 | Animal dung | 
| 14 | Charcoal | 
| 15 | Biofuel | 
| 16 | Other | 
| 17 | Multiple sources | 
| 99 | Unknown | 
| var_concept.title | Vocabulary | 
|---|---|
| Utilities Variables -- HOUSEHOLD | IPUMS |