| Frequency of outages | Average duration | ||
| Interval | Percent | Interval | Percent |
| between 1 and 3 days | 11.2 | Between 1 and 3 hours | 48.1 |
| between 4 to 6 days | 27.8 | Between 4 and 6 hours | 36.2 |
| between 7 to 9 | 17.6 | Between 7 and 9 hours | 7.9 |
| between 10 to 12 | 16.7 | Between 10 and 12 hours | 6.6 |
| between 13 to 15 | 8.4 | More than 12 hours | 1.2 |
| More than 15 days | 18.3 | ||
| Total | 100 | 100 |