| Value | Category | Cases | |
|---|---|---|---|
| 1 | National grid ('electricity') | 1502 |
79.8%
|
| 2 | Generator | 2 |
0.1%
|
| 3 | Solar panel | 298 |
15.8%
|
| 4 | Battery | 12 |
0.6%
|
| 88 | Don't know | 0 |
0%
|
| 96 | Other (specify) | 69 |
3.7%
|
| 99 | No response | 0 |
0%
|
| Sysmiss | 139 |