| Value | Category |
|---|---|
| 1 | Electricity |
| 2 | Solar energy |
| 3 | Liquefied petroleum gas (LPG)/cooking gas |
| 4 | Piped natural gas |
| 5 | Biogas |
| 9 | Coal/lignite |
| 10 | Charcoal |
| 11 | Wood |
| 12 | Straw/shrubs/grass |
| 13 | Agricultural crop |
| 14 | Animal dung/waste |
| 95 | No food cooked in house |
| 96 | Other |
| 97 | Not a dejure resident |