Value | Category |
---|---|
0 | no source of energy |
1 | coal/gas |
2 | coke |
3 | L.P. gas |
4 | firewood |
5 | charcoal |
6 | diesel oil |
7 | furnace oil |
8 | other fuel oil |
9 | electricity |
10 | water/stream |
11 | solar energy |
12 | wind mill |
13 | animal power |
14 | others (specify |
15 |